./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ...................................................................................................................................................................................................................................... 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_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:30:14,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:30:14,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:30:14,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:30:14,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:30:14,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:30:14,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:30:14,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:30:14,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:30:14,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:30:14,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:30:14,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:30:14,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:30:14,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:30:14,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:30:14,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:30:14,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:30:14,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:30:14,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:30:14,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:30:14,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:30:14,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:30:14,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:30:14,258 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:30:14,258 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:30:14,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:30:14,260 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:30:14,260 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:30:14,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:30:14,262 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:30:14,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:30:14,262 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:30:14,262 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:30:14,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:30:14,263 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:30:14,264 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:30:14,264 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:30:14,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:30:14,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:30:14,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:30:14,275 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:30:14,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:30:14,276 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:30:14,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:30:14,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:30:14,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:30:14,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:30:14,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:30:14,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:30:14,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:30:14,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:30:14,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:30:14,279 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_4e15edcd-8cea-440e-b01e-4723332b56b5/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-11-10 12:30:14,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:30:14,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:30:14,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:30:14,312 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:30:14,312 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:30:14,313 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-10 12:30:14,348 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/b85887ac9/16490ddae83e40a6bc93a15f95119a09/FLAG576aa318d [2018-11-10 12:30:14,762 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:30:14,763 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-10 12:30:14,768 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/b85887ac9/16490ddae83e40a6bc93a15f95119a09/FLAG576aa318d [2018-11-10 12:30:14,780 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/b85887ac9/16490ddae83e40a6bc93a15f95119a09 [2018-11-10 12:30:14,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:30:14,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:30:14,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:14,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:30:14,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:30:14,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769b41f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14, skipping insertion in model container [2018-11-10 12:30:14,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:30:14,814 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:30:14,929 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:14,931 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:30:14,943 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:14,956 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:30:14,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14 WrapperNode [2018-11-10 12:30:14,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:14,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:30:14,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:30:14,958 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:30:14,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:30:14,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:30:14,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:30:14,979 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:30:14,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... [2018-11-10 12:30:14,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:30:14,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:30:14,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:30:14,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:30:14,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/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 [2018-11-10 12:30:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:30:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:30:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 12:30:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:30:15,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:30:15,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:30:15,339 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:30:15,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:15 BoogieIcfgContainer [2018-11-10 12:30:15,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:30:15,340 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:30:15,340 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:30:15,349 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:30:15,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:15" (1/1) ... [2018-11-10 12:30:15,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:30:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:30:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-10 12:30:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-10 12:30:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:30:15,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:30:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:30:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:30:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:30:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-10 12:30:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-10 12:30:15,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:30:15,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:30:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:30:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:30:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:30:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:30:15,567 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 12:30:15,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:30:15 ImpRootNode [2018-11-10 12:30:15,589 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:30:15,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:30:15,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:30:15,589 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:30:15,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:15" (3/4) ... [2018-11-10 12:30:15,593 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:30:15,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:30:15,593 INFO L168 Benchmark]: Toolchain (without parser) took 810.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:15,595 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-10 12:30:15,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.73 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:15,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:15,596 INFO L168 Benchmark]: Boogie Preprocessor took 14.47 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:30:15,597 INFO L168 Benchmark]: RCFGBuilder took 345.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:15,597 INFO L168 Benchmark]: CodeCheck took 248.84 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:15,598 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:30:15,600 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 1 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 39 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L35] float x = 0.0f / 0.0f; [L36] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; [L17] FCALL ieee_float_shape_type gf_u; [L18] FCALL gf_u.value = (x) [L19] CALL, EXPR gf_u.word [L19] RET, EXPR gf_u.word [L19] (ix) = gf_u.word [L20] COND FALSE !(0) [L22] FCALL ieee_float_shape_type sf_u; [L23] FCALL sf_u.word = (ix & 0x7fffffff) [L24] CALL, EXPR sf_u.value [L24] RET, EXPR sf_u.value [L24] (x) = sf_u.value [L25] COND FALSE !(0) [L26] RET return x; [L36] EXPR fabs_float(x) [L36] float res = fabs_float(x); [L39] CALL, EXPR isnan_float(res) [L12] RET return x != x; [L39] EXPR isnan_float(res) [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.73 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.38 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.47 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 345.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * CodeCheck took 248.84 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.84 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 0.1.23-1dbac8b [2018-11-10 12:30:16,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:30:16,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:30:17,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:30:17,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:30:17,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:30:17,002 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:30:17,003 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:30:17,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:30:17,005 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:30:17,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:30:17,006 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:30:17,007 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:30:17,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:30:17,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:30:17,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:30:17,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:30:17,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:30:17,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:30:17,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:30:17,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:30:17,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:30:17,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:30:17,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:30:17,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:30:17,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:30:17,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:30:17,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:30:17,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:30:17,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:30:17,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:30:17,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:30:17,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:30:17,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:30:17,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:30:17,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:30:17,025 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 12:30:17,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:30:17,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:30:17,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:30:17,037 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:30:17,037 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:30:17,038 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:30:17,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:30:17,038 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:30:17,038 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:30:17,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:30:17,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:30:17,040 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:30:17,040 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:30:17,040 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:30:17,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:30:17,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:30:17,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:30:17,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:30:17,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:30:17,041 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 12:30:17,041 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:30:17,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:30:17,041 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:30:17,043 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:30:17,043 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_4e15edcd-8cea-440e-b01e-4723332b56b5/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-11-10 12:30:17,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:30:17,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:30:17,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:30:17,087 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:30:17,088 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:30:17,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-10 12:30:17,131 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/4abb02ae4/3ee8164013754f1a876b7ac307624468/FLAGe64eee928 [2018-11-10 12:30:17,425 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:30:17,425 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-10 12:30:17,429 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/4abb02ae4/3ee8164013754f1a876b7ac307624468/FLAGe64eee928 [2018-11-10 12:30:17,437 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/data/4abb02ae4/3ee8164013754f1a876b7ac307624468 [2018-11-10 12:30:17,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:30:17,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:30:17,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:17,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:30:17,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:30:17,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24051e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17, skipping insertion in model container [2018-11-10 12:30:17,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:30:17,465 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:30:17,579 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:17,583 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:30:17,599 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:30:17,619 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:30:17,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17 WrapperNode [2018-11-10 12:30:17,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:30:17,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:30:17,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:30:17,620 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:30:17,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:30:17,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:30:17,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:30:17,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:30:17,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... [2018-11-10 12:30:17,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:30:17,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:30:17,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:30:17,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:30:17,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:30:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/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 [2018-11-10 12:30:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:30:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:30:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:30:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 12:30:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:30:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 12:30:17,879 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:30:17,886 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:30:18,070 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:30:18,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:18 BoogieIcfgContainer [2018-11-10 12:30:18,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:30:18,071 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:30:18,071 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:30:18,078 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:30:18,079 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:18" (1/1) ... [2018-11-10 12:30:18,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:30:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:30:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-10 12:30:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-10 12:30:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:30:18,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:30:18,144 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 12:30:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:30:18,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:30:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:30:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:30:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-10 12:30:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-10 12:30:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:30:18,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:30:18,182 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 12:30:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:30:18,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:30:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:30:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:30:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-10 12:30:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-10 12:30:18,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:30:18,379 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 12:30:18,385 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:30:18,398 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:30:18,400 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-11-10 12:30:18,403 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:30:18,404 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:30:18,405 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-11-10 12:30:18,405 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:30:18,405 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:30:18,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:30:18 ImpRootNode [2018-11-10 12:30:18,406 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:30:18,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:30:18,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:30:18,407 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:30:18,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:30:18" (3/4) ... [2018-11-10 12:30:18,410 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:30:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-11-10 12:30:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 12:30:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 12:30:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:30:18,451 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e15edcd-8cea-440e-b01e-4723332b56b5/bin-2019/ukojak/witness.graphml [2018-11-10 12:30:18,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:30:18,452 INFO L168 Benchmark]: Toolchain (without parser) took 1012.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -115.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:18,453 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:30:18,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.36 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:18,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.68 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 933.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:18,454 INFO L168 Benchmark]: Boogie Preprocessor took 18.74 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:30:18,454 INFO L168 Benchmark]: RCFGBuilder took 408.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:18,455 INFO L168 Benchmark]: CodeCheck took 334.70 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:18,455 INFO L168 Benchmark]: Witness Printer took 45.04 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:30:18,457 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 1 procedures, 29 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 12 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 40]: 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: 21]: Loop Invariant [2018-11-10 12:30:18,460 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:30:18,460 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 16]: Loop Invariant [2018-11-10 12:30:18,460 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:30:18,461 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.36 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.68 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 933.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.74 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 408.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 334.70 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Witness Printer took 45.04 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE RESULT: Ultimate proved your program to be correct! Received shutdown request...