./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 .............................................................................................................................................................................................................................................. 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_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:44:02,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:44:02,382 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:44:02,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:44:02,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:44:02,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:44:02,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:44:02,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:44:02,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:44:02,394 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:44:02,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:44:02,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:44:02,395 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:44:02,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:44:02,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:44:02,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:44:02,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:44:02,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:44:02,400 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:44:02,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:44:02,402 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:44:02,403 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:44:02,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:44:02,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:44:02,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:44:02,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:44:02,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:44:02,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:44:02,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:44:02,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:44:02,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:44:02,409 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:44:02,409 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:44:02,409 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:44:02,410 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:44:02,410 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:44:02,411 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:44:02,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:44:02,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:44:02,421 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:44:02,422 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:44:02,422 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:44:02,422 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:44:02,422 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:44:02,423 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:44:02,424 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:44:02,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:44:02,424 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:44:02,424 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:44:02,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:44:02,424 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:44:02,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:44:02,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:44:02,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:44:02,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:44:02,425 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:44:02,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:44:02,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:44:02,425 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_337ff530-d2a4-42be-bb8d-3d09d2106c7d/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-11-18 16:44:02,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:44:02,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:44:02,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:44:02,460 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:44:02,460 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:44:02,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-18 16:44:02,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/74d156129/b761ff5dea2d42bcb4793d7b89112262/FLAGe8ac0c41e [2018-11-18 16:44:02,813 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:44:02,814 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-18 16:44:02,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/74d156129/b761ff5dea2d42bcb4793d7b89112262/FLAGe8ac0c41e [2018-11-18 16:44:02,832 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/74d156129/b761ff5dea2d42bcb4793d7b89112262 [2018-11-18 16:44:02,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:44:02,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:44:02,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:44:02,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:44:02,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:44:02,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:44:02" (1/1) ... [2018-11-18 16:44:02,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e791d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:02, skipping insertion in model container [2018-11-18 16:44:02,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:44:02" (1/1) ... [2018-11-18 16:44:02,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:44:02,869 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:44:03,012 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:44:03,015 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:44:03,034 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:44:03,048 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:44:03,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03 WrapperNode [2018-11-18 16:44:03,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:44:03,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:44:03,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:44:03,049 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:44:03,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:44:03,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:44:03,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:44:03,073 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:44:03,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:44:03,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:44:03,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:44:03,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:44:03,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/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 [2018-11-18 16:44:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 16:44:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 16:44:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 16:44:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:44:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:44:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:44:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:44:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:44:03,467 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:44:03,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:03 BoogieIcfgContainer [2018-11-18 16:44:03,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:44:03,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:44:03,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:44:03,477 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:44:03,477 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:03" (1/1) ... [2018-11-18 16:44:03,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-18 16:44:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-18 16:44:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:44:03,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:44:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-18 16:44:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-18 16:44:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:44:03,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:03,700 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 16:44:03,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:44:03 ImpRootNode [2018-11-18 16:44:03,731 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:44:03,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:44:03,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:44:03,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:44:03,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:03" (3/4) ... [2018-11-18 16:44:03,735 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:44:03,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:44:03,736 INFO L168 Benchmark]: Toolchain (without parser) took 900.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:03,737 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:44:03,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.15 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:03,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:44:03,739 INFO L168 Benchmark]: Boogie Preprocessor took 55.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:03,739 INFO L168 Benchmark]: RCFGBuilder took 338.62 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:03,740 INFO L168 Benchmark]: CodeCheck took 263.27 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:03,740 INFO L168 Benchmark]: Witness Printer took 3.94 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. [2018-11-18 16:44:03,743 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, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryFLOAToperation at line 74. Possible FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; [L75] CALL, EXPR fmax_float(x, y) [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L21] __uint32_t w; VAL [\old(x)=0, x=0] [L24] FCALL ieee_float_shape_type gf_u; [L25] FCALL gf_u.value = (x) [L26] EXPR, FCALL gf_u.word [L26] (w) = gf_u.word [L27] COND FALSE !(0) VAL [\old(x)=0, w=2139095041, x=0] [L29] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L31-L32] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L34-L35] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L37] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L40] RET return 0; [L44] EXPR __fpclassify_float(x) [L44] COND TRUE __fpclassify_float(x) == 0 [L45] RET return y; [L75] EXPR fmax_float(x, y) [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.15 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 338.62 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 263.27 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.94 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 0.1.23-5842f4b [2018-11-18 16:44:05,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:44:05,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:44:05,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:44:05,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:44:05,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:44:05,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:44:05,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:44:05,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:44:05,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:44:05,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:44:05,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:44:05,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:44:05,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:44:05,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:44:05,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:44:05,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:44:05,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:44:05,164 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:44:05,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:44:05,167 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:44:05,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:44:05,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:44:05,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:44:05,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:44:05,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:44:05,171 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:44:05,172 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:44:05,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:44:05,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:44:05,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:44:05,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:44:05,174 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:44:05,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:44:05,175 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:44:05,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:44:05,176 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 16:44:05,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:44:05,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:44:05,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:44:05,187 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:44:05,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:44:05,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:44:05,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:44:05,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:44:05,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:44:05,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:44:05,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:44:05,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:44:05,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:44:05,190 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:44:05,190 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:44:05,191 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:44:05,191 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:44:05,191 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:44:05,191 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:44:05,191 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:44:05,191 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:44:05,191 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:44:05,192 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:44:05,192 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:44:05,193 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:44:05,193 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:44:05,193 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_337ff530-d2a4-42be-bb8d-3d09d2106c7d/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-11-18 16:44:05,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:44:05,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:44:05,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:44:05,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:44:05,241 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:44:05,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-18 16:44:05,287 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/de039e97a/5401e7e5948b4380bffcbcb44e2d30dc/FLAGf19dd52f1 [2018-11-18 16:44:05,608 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:44:05,609 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-18 16:44:05,613 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/de039e97a/5401e7e5948b4380bffcbcb44e2d30dc/FLAGf19dd52f1 [2018-11-18 16:44:06,042 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/data/de039e97a/5401e7e5948b4380bffcbcb44e2d30dc [2018-11-18 16:44:06,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:44:06,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:44:06,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:44:06,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:44:06,049 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:44:06,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f092cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06, skipping insertion in model container [2018-11-18 16:44:06,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:44:06,075 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:44:06,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:44:06,200 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:44:06,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:44:06,235 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:44:06,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06 WrapperNode [2018-11-18 16:44:06,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:44:06,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:44:06,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:44:06,236 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:44:06,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:44:06,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:44:06,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:44:06,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:44:06,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:44:06,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:44:06,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:44:06,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:44:06,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:44:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/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 [2018-11-18 16:44:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 16:44:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 16:44:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:44:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:44:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:44:06,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:44:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 16:44:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:44:06,691 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:44:06,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:06 BoogieIcfgContainer [2018-11-18 16:44:06,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:44:06,692 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:44:06,692 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:44:06,699 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:44:06,699 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:06" (1/1) ... [2018-11-18 16:44:06,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:44:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-18 16:44:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-18 16:44:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:44:06,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:06,768 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:44:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:06,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:44:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:44:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-18 16:44:06,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-18 16:44:06,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:44:06,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:06,811 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:44:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:06,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:44:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:44:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-18 16:44:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-18 16:44:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:44:06,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:06,934 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:44:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:06,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:44:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:44:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-18 16:44:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-18 16:44:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:44:06,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:06,954 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:44:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:06,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:44:07,880 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-18 16:44:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:44:08,375 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-18 16:44:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-11-18 16:44:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-18 16:44:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 16:44:08,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:08,647 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:44:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:44:08,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:44:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:44:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:44:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-11-18 16:44:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-11-18 16:44:10,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:44:10,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:44:10,092 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:44:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:44:10,151 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-11-18 16:44:10,173 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,174 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,174 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,175 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,175 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,175 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,175 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,176 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,176 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,176 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:44:10 ImpRootNode [2018-11-18 16:44:10,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:44:10,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:44:10,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:44:10,182 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:44:10,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:44:06" (3/4) ... [2018-11-18 16:44:10,185 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 16:44:10,190 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,190 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,190 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,190 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,193 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-18 16:44:10,194 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,194 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,194 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,194 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,194 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-18 16:44:10,229 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_337ff530-d2a4-42be-bb8d-3d09d2106c7d/bin-2019/ukojak/witness.graphml [2018-11-18 16:44:10,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:44:10,229 INFO L168 Benchmark]: Toolchain (without parser) took 4184.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:10,230 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 16:44:10,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.92 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:10,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:44:10,231 INFO L168 Benchmark]: Boogie Preprocessor took 19.21 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:44:10,231 INFO L168 Benchmark]: RCFGBuilder took 412.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:10,232 INFO L168 Benchmark]: CodeCheck took 3489.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:10,232 INFO L168 Benchmark]: Witness Printer took 46.78 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:44:10,235 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, 29 locations, 1 error locations. UNSAFE Result, 3.4s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 416 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 515 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 15171 SizeOfPredicates, 22 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - CounterExampleResult [Line: 79]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; [L75] CALL, EXPR fmax_float(x, y) [L44] CALL, EXPR __fpclassify_float(x) [L21] __uint32_t w; [L24] FCALL ieee_float_shape_type gf_u; [L25] FCALL gf_u.value = (x) [L26] EXPR, FCALL gf_u.word [L26] (w) = gf_u.word [L27] COND FALSE !(0) VAL [w=0] [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] RET return 2; [L44] EXPR __fpclassify_float(x) [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) [L21] __uint32_t w; [L24] FCALL ieee_float_shape_type gf_u; [L25] FCALL gf_u.value = (x) [L26] EXPR, FCALL gf_u.word [L26] (w) = gf_u.word [L27] COND FALSE !(0) VAL [w=2147483648] [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] RET return 2; [L48] EXPR __fpclassify_float(y) [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] COND FALSE, EXPR !(x > y ? x : y) [L51] RET return x > y ? x : y; [L75] EXPR fmax_float(x, y) [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] CALL, EXPR __signbit_float(res) [L55] __uint32_t w; [L58] FCALL ieee_float_shape_type gf_u; [L59] FCALL gf_u.value = (x) [L60] EXPR, FCALL gf_u.word [L60] (w) = gf_u.word [L61] COND FALSE !(0) [L63] RET return (w & 0x80000000) != 0; [L78] EXPR __signbit_float(res) [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.92 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 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 23.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.21 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 412.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3489.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.78 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...