./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b_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_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/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 df7585bdb7f55dd146660d2fca5142563fdf3df8 .............................................................................................................................................................................................................................................. 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_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/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 df7585bdb7f55dd146660d2fca5142563fdf3df8 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:45:21,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:45:21,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:45:21,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:45:21,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:45:21,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:45:21,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:45:21,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:45:21,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:45:21,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:45:21,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:45:21,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:45:21,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:45:21,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:45:21,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:45:21,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:45:21,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:45:21,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:45:21,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:45:21,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:45:21,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:45:21,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:45:21,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:45:21,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:45:21,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:45:21,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:45:21,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:45:21,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:45:21,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:45:21,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:45:21,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:45:21,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:45:21,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:45:21,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:45:21,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:45:21,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:45:21,435 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:45:21,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:45:21,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:45:21,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:45:21,450 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:45:21,451 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:45:21,451 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:45:21,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:45:21,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:45:21,451 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:45:21,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:45:21,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:45:21,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:45:21,452 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:45:21,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:45:21,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:45:21,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:45:21,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:45:21,455 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:45:21,455 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:45:21,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:45:21,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:45:21,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:45:21,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:45:21,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:45:21,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:45:21,456 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:45:21,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:45:21,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:45:21,457 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_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/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 -> df7585bdb7f55dd146660d2fca5142563fdf3df8 [2018-10-26 20:45:21,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:45:21,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:45:21,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:45:21,507 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:45:21,508 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:45:21,508 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0920b_true-unreach-call.c [2018-10-26 20:45:21,563 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/94062a27c/1a216c254ce54cc58fdc9b160e8014fa/FLAG9bbcae690 [2018-10-26 20:45:21,995 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:45:21,997 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/sv-benchmarks/c/float-newlib/float_req_bl_0920b_true-unreach-call.c [2018-10-26 20:45:22,004 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/94062a27c/1a216c254ce54cc58fdc9b160e8014fa/FLAG9bbcae690 [2018-10-26 20:45:22,019 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/94062a27c/1a216c254ce54cc58fdc9b160e8014fa [2018-10-26 20:45:22,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:45:22,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:45:22,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:45:22,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:45:22,030 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:45:22,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d28f686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22, skipping insertion in model container [2018-10-26 20:45:22,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:45:22,072 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:45:22,256 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:45:22,261 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:45:22,299 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:45:22,321 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:45:22,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22 WrapperNode [2018-10-26 20:45:22,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:45:22,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:45:22,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:45:22,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:45:22,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:45:22,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:45:22,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:45:22,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:45:22,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... [2018-10-26 20:45:22,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:45:22,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:45:22,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:45:22,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:45:22,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/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 [2018-10-26 20:45:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 20:45:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:45:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 20:45:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:45:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:45:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 20:45:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:45:23,662 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:45:23,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:45:23 BoogieIcfgContainer [2018-10-26 20:45:23,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:45:23,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:45:23,663 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:45:23,673 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:45:23,674 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:45:23" (1/1) ... [2018-10-26 20:45:23,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:45:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:45:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-10-26 20:45:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-10-26 20:45:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:45:23,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:45:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:45:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:45:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:45:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-26 20:45:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-26 20:45:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 20:45:23,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:45:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:45:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:45:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:45:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:45:23,991 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 20:45:24,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:45:24 ImpRootNode [2018-10-26 20:45:24,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:45:24,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:45:24,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:45:24,034 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:45:24,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:45:23" (3/4) ... [2018-10-26 20:45:24,040 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:45:24,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:45:24,041 INFO L168 Benchmark]: Toolchain (without parser) took 2017.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:45:24,045 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:45:24,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.88 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:45:24,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:45:24,048 INFO L168 Benchmark]: Boogie Preprocessor took 32.60 ms. Allocated memory is still 1.0 GB. Free memory is still 938.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:45:24,049 INFO L168 Benchmark]: RCFGBuilder took 1258.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:45:24,051 INFO L168 Benchmark]: CodeCheck took 370.74 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:45:24,052 INFO L168 Benchmark]: Witness Printer took 6.56 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. [2018-10-26 20:45:24,056 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, 53 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 125]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 43. Possible FailurePath: [L24-L28] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L30] static const float zero_log = 0.0; [L120] float x = -1.0f / 0.0f; [L121] CALL, EXPR __ieee754_logf(x) [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L37] FCALL ieee_float_shape_type gf_u; [L38] FCALL gf_u.value = (x) [L39] EXPR, FCALL gf_u.word [L39] (ix) = gf_u.word [L40] COND FALSE !(0) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L42] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] RET return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L121] EXPR __ieee754_logf(x) [L121] float res = __ieee754_logf(x); [L124] CALL, EXPR isnan_float(res) [L111] RET return x != x; [L124] EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.88 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 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 47.72 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.60 ms. Allocated memory is still 1.0 GB. Free memory is still 938.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1258.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 370.74 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.56 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 [2018-10-26 20:45:26,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:45:26,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:45:26,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:45:26,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:45:26,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:45:26,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:45:26,443 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:45:26,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:45:26,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:45:26,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:45:26,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:45:26,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:45:26,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:45:26,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:45:26,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:45:26,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:45:26,453 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:45:26,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:45:26,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:45:26,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:45:26,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:45:26,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:45:26,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:45:26,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:45:26,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:45:26,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:45:26,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:45:26,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:45:26,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:45:26,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:45:26,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:45:26,469 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:45:26,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:45:26,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:45:26,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:45:26,471 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 20:45:26,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:45:26,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:45:26,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:45:26,487 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:45:26,487 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:45:26,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:45:26,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:45:26,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:45:26,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:45:26,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:45:26,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:45:26,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:45:26,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:45:26,490 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:45:26,490 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:45:26,490 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:45:26,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:45:26,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:45:26,491 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:45:26,491 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:45:26,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:45:26,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:45:26,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:45:26,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:45:26,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:45:26,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:45:26,492 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 20:45:26,492 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:45:26,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:45:26,493 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:45:26,493 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:45:26,493 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_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/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 -> df7585bdb7f55dd146660d2fca5142563fdf3df8 [2018-10-26 20:45:26,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:45:26,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:45:26,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:45:26,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:45:26,552 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:45:26,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0920b_true-unreach-call.c [2018-10-26 20:45:26,608 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/fcc4f5eb5/bdbeb1daf7bd4dc585c629b1c3bebc99/FLAG6cd2850a7 [2018-10-26 20:45:27,050 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:45:27,051 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/sv-benchmarks/c/float-newlib/float_req_bl_0920b_true-unreach-call.c [2018-10-26 20:45:27,070 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/fcc4f5eb5/bdbeb1daf7bd4dc585c629b1c3bebc99/FLAG6cd2850a7 [2018-10-26 20:45:27,084 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/data/fcc4f5eb5/bdbeb1daf7bd4dc585c629b1c3bebc99 [2018-10-26 20:45:27,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:45:27,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:45:27,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:45:27,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:45:27,094 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:45:27,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9f0461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27, skipping insertion in model container [2018-10-26 20:45:27,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:45:27,144 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:45:27,384 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:45:27,397 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:45:27,456 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:45:27,484 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:45:27,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27 WrapperNode [2018-10-26 20:45:27,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:45:27,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:45:27,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:45:27,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:45:27,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:45:27,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:45:27,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:45:27,534 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:45:27,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... [2018-10-26 20:45:27,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:45:27,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:45:27,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:45:27,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:45:27,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:45:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/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 [2018-10-26 20:45:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:45:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 20:45:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:45:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:45:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 20:45:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:45:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 20:45:28,007 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:45:28,033 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:45:28,745 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:45:28,771 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:49:26,070 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:49:26,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:49:26 BoogieIcfgContainer [2018-10-26 20:49:26,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:49:26,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:49:26,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:49:26,085 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:49:26,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:49:26" (1/1) ... [2018-10-26 20:49:26,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:49:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:49:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-10-26 20:49:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-10-26 20:49:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:49:26,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:49:26,203 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:49:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:26,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:49:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:49:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-26 20:49:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-26 20:49:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 20:49:26,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:49:26,270 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:49:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:26,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:49:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:49:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-10-26 20:49:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-10-26 20:49:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 20:49:29,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:49:29,739 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:49:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:30,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:49:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:49:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:49:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-10-26 20:49:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-10-26 20:49:58,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:49:58,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:49:58,918 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:49:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:49:58,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:49:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:50:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:50:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-10-26 20:50:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-10-26 20:50:00,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:50:00,093 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-10-26 20:50:00,108 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:50:00,182 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 20:50:00,187 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,188 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,189 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,189 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,189 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,190 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,190 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,195 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,195 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,195 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,196 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,196 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,196 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,197 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,198 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 20:50:00,198 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,198 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,199 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,199 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,200 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,200 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,203 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:50:00,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:50:00 ImpRootNode [2018-10-26 20:50:00,203 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:50:00,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:50:00,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:50:00,205 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:50:00,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:49:26" (3/4) ... [2018-10-26 20:50:00,211 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:50:00,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-10-26 20:50:00,224 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 20:50:00,224 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 20:50:00,225 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:50:00,255 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~FLOAT(RoundingMode_RNE, ~fp.sub~FLOAT(RoundingMode_RNE, ~fp.div~FLOAT(RoundingMode_RNE, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(RoundingMode_RNE, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE())) [2018-10-26 20:50:00,299 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2890fee9-f22a-4a80-9c90-7d04ad7aadf5/bin-2019/ukojak/witness.graphml [2018-10-26 20:50:00,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:50:00,301 INFO L168 Benchmark]: Toolchain (without parser) took 273212.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -49.2 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:00,302 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-26 20:50:00,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.11 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:00,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.47 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:50:00,303 INFO L168 Benchmark]: Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:00,303 INFO L168 Benchmark]: RCFGBuilder took 238501.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:00,304 INFO L168 Benchmark]: CodeCheck took 34132.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:00,306 INFO L168 Benchmark]: Witness Printer took 94.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:00,309 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, 53 locations, 1 error locations. SAFE Result, 33.9s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 146 SDtfs, 68 SDslu, 64 SDs, 0 SdLazy, 182 SolverSat, 54 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 61.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1908 SizeOfPredicates, 18 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 125]: 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: 32]: Loop Invariant [2018-10-26 20:50:00,310 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,311 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,311 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,311 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,311 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,312 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,312 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,315 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,316 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,316 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,316 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,317 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,317 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,317 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: \result == ~fp.div~FLOAT(RoundingMode_RNE, ~fp.sub~FLOAT(RoundingMode_RNE, ~fp.div~FLOAT(RoundingMode_RNE, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(RoundingMode_RNE, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 36]: Loop Invariant [2018-10-26 20:50:00,318 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,318 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,318 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,318 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,319 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:50:00,319 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: x == ~fp.div~FLOAT(RoundingMode_RNE, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)), ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 395.11 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 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 48.47 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 238501.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * CodeCheck took 34132.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 11.5 GB. * Witness Printer took 94.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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 - 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 - 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 - 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 - 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...