./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/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 887f0640b1b5afa2d39789f5b16e950cef616033 ........................................................................................................................................................................................................................... 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_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/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 887f0640b1b5afa2d39789f5b16e950cef616033 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:17:29,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:17:29,636 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:17:29,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:17:29,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:17:29,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:17:29,645 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:17:29,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:17:29,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:17:29,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:17:29,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:17:29,649 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:17:29,650 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:17:29,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:17:29,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:17:29,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:17:29,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:17:29,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:17:29,656 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:17:29,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:17:29,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:17:29,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:17:29,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:17:29,661 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:17:29,661 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:17:29,661 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:17:29,662 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:17:29,663 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:17:29,664 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:17:29,664 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:17:29,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:17:29,665 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:17:29,665 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:17:29,665 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:17:29,666 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:17:29,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:17:29,667 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:17:29,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:17:29,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:17:29,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:17:29,678 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:17:29,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:17:29,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:17:29,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:17:29,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:17:29,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:17:29,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:17:29,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:17:29,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:17:29,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:17:29,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:17:29,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:17:29,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:17:29,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:17:29,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:17:29,680 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:17:29,681 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:17:29,681 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:17:29,681 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:17:29,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:17:29,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:17:29,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:17:29,682 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:17:29,682 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:17:29,682 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:17:29,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:17:29,682 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_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/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 -> 887f0640b1b5afa2d39789f5b16e950cef616033 [2018-11-18 17:17:29,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:17:29,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:17:29,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:17:29,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:17:29,715 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:17:29,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-18 17:17:29,752 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/1bb59bf7b/c1ec18c26de243489c39ea63f863f4b2/FLAGdd6889a02 [2018-11-18 17:17:30,161 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:17:30,161 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-18 17:17:30,166 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/1bb59bf7b/c1ec18c26de243489c39ea63f863f4b2/FLAGdd6889a02 [2018-11-18 17:17:30,176 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/1bb59bf7b/c1ec18c26de243489c39ea63f863f4b2 [2018-11-18 17:17:30,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:17:30,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:17:30,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:17:30,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:17:30,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:17:30,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30, skipping insertion in model container [2018-11-18 17:17:30,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:17:30,203 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:17:30,311 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:17:30,313 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:17:30,325 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:17:30,336 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:17:30,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30 WrapperNode [2018-11-18 17:17:30,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:17:30,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:17:30,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:17:30,337 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:17:30,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:17:30,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:17:30,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:17:30,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:17:30,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:17:30,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:17:30,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:17:30,426 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:17:30,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:17:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:17:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:17:30,678 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:17:30,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:30 BoogieIcfgContainer [2018-11-18 17:17:30,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:17:30,679 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:17:30,679 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:17:30,690 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:17:30,690 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:30" (1/1) ... [2018-11-18 17:17:30,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-11-18 17:17:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-11-18 17:17:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:17:30,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:17:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-18 17:17:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-18 17:17:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:17:30,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:17:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:17:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:17:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:17:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:17:30,902 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 17:17:30,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:17:30 ImpRootNode [2018-11-18 17:17:30,920 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:17:30,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:17:30,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:17:30,921 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:17:30,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:30" (3/4) ... [2018-11-18 17:17:30,924 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:17:30,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:17:30,924 INFO L168 Benchmark]: Toolchain (without parser) took 745.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:30,925 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:30,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:30,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.86 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:30,927 INFO L168 Benchmark]: Boogie Preprocessor took 57.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:30,927 INFO L168 Benchmark]: RCFGBuilder took 253.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:30,928 INFO L168 Benchmark]: CodeCheck took 241.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:30,928 INFO L168 Benchmark]: Witness Printer took 3.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:30,931 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, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 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, 16 NumberOfCodeBlocks, 16 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: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L45] float x = 0.0f; [L46] CALL, EXPR fabs_float(x) [L13] __uint32_t ix; [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (ix) = gf_u.word [L18] COND FALSE !(0) [L20] FCALL ieee_float_shape_type sf_u; [L21] FCALL sf_u.word = (ix & 0x7fffffff) [L22] EXPR, FCALL sf_u.value [L22] (x) = sf_u.value [L23] COND FALSE !(0) [L24] RET return x; [L46] EXPR fabs_float(x) [L46] float res = fabs_float(x); [L49] EXPR res == 0.0f && __signbit_float(res) == 0 [L49] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L50] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 30.86 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 253.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * CodeCheck took 241.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:17:32,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:17:32,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:17:32,401 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:17:32,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:17:32,402 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:17:32,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:17:32,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:17:32,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:17:32,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:17:32,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:17:32,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:17:32,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:17:32,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:17:32,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:17:32,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:17:32,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:17:32,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:17:32,413 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:17:32,414 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:17:32,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:17:32,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:17:32,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:17:32,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:17:32,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:17:32,419 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:17:32,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:17:32,420 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:17:32,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:17:32,423 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:17:32,423 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:17:32,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:17:32,424 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:17:32,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:17:32,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:17:32,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:17:32,425 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 17:17:32,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:17:32,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:17:32,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:17:32,437 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:17:32,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:17:32,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:17:32,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:17:32,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:17:32,439 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:17:32,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:17:32,440 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:17:32,440 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:17:32,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:17:32,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:17:32,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:17:32,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:17:32,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:17:32,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:17:32,441 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 17:17:32,441 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:17:32,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:17:32,441 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:17:32,441 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:17:32,441 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_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/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 -> 887f0640b1b5afa2d39789f5b16e950cef616033 [2018-11-18 17:17:32,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:17:32,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:17:32,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:17:32,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:17:32,484 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:17:32,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-18 17:17:32,521 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/ec016d25c/4476c282e337461c83dfaddc81b2c4e1/FLAG1ac8655ab [2018-11-18 17:17:32,919 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:17:32,920 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-18 17:17:32,924 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/ec016d25c/4476c282e337461c83dfaddc81b2c4e1/FLAG1ac8655ab [2018-11-18 17:17:32,933 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/data/ec016d25c/4476c282e337461c83dfaddc81b2c4e1 [2018-11-18 17:17:32,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:17:32,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:17:32,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:17:32,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:17:32,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:17:32,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:17:32" (1/1) ... [2018-11-18 17:17:32,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f61ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:32, skipping insertion in model container [2018-11-18 17:17:32,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:17:32" (1/1) ... [2018-11-18 17:17:32,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:17:32,962 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:17:33,079 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:17:33,083 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:17:33,096 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:17:33,117 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:17:33,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33 WrapperNode [2018-11-18 17:17:33,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:17:33,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:17:33,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:17:33,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:17:33,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:17:33,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:17:33,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:17:33,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:17:33,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:17:33,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:17:33,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:17:33,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:17:33,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:17:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 17:17:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:17:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:17:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:17:33,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:17:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 17:17:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:17:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:17:33,354 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:17:33,384 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:17:33,426 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:17:33,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:33 BoogieIcfgContainer [2018-11-18 17:17:33,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:17:33,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:17:33,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:17:33,436 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:17:33,436 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:33" (1/1) ... [2018-11-18 17:17:33,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-11-18 17:17:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-11-18 17:17:33,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:17:33,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:17:33,509 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:17:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:33,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-18 17:17:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-18 17:17:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 17:17:33,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:17:33,542 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:17:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:33,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-18 17:17:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-18 17:17:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:17:33,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:17:33,714 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:17:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:33,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-11-18 17:17:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-11-18 17:17:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:17:33,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:17:33,735 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 17:17:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:33,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:17:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-11-18 17:17:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-11-18 17:17:33,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:17:33,988 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-18 17:17:33,995 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:17:34,014 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:17:34,020 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:17:34,021 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:17:34,022 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 17:17:34,022 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:17:34,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:17:34 ImpRootNode [2018-11-18 17:17:34,023 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:17:34,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:17:34,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:17:34,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:17:34,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:33" (3/4) ... [2018-11-18 17:17:34,028 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:17:34,037 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:17:34,037 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:17:34,037 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:17:34,037 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:17:34,073 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5bb1f19b-2ce0-441c-9ad5-195ac832f8cf/bin-2019/ukojak/witness.graphml [2018-11-18 17:17:34,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:17:34,074 INFO L168 Benchmark]: Toolchain (without parser) took 1138.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -107.3 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:34,076 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:34,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.76 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:34,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.67 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:34,076 INFO L168 Benchmark]: Boogie Preprocessor took 63.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 934.7 MB in the beginning and 1.2 GB in the end (delta: -223.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:34,077 INFO L168 Benchmark]: RCFGBuilder took 214.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:34,077 INFO L168 Benchmark]: CodeCheck took 595.80 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: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:34,077 INFO L168 Benchmark]: Witness Printer took 50.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:34,080 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, 19 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 38 SDslu, 36 SDs, 0 SdLazy, 172 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 959 SizeOfPredicates, 19 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 25 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: 50]: 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: 30]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.76 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.67 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 934.7 MB in the beginning and 1.2 GB in the end (delta: -223.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 214.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * CodeCheck took 595.80 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: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.21 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 proved your program to be correct! Received shutdown request...