./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_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_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/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 3ac23ee9420d5573e041ab9b716895f5d3bb685f ................................................................................................................................................................................................................................................... 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_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/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 3ac23ee9420d5573e041ab9b716895f5d3bb685f ..................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:22:19,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:22:19,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:22:19,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:22:19,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:22:19,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:22:19,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:22:19,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:22:19,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:22:19,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:22:19,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:22:19,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:22:19,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:22:19,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:22:19,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:22:19,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:22:19,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:22:19,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:22:19,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:22:19,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:22:19,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:22:19,684 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:22:19,686 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:22:19,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:22:19,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:22:19,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:22:19,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:22:19,688 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:22:19,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:22:19,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:22:19,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:22:19,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:22:19,690 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:22:19,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:22:19,691 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:22:19,692 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:22:19,692 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:22:19,702 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:22:19,702 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:22:19,703 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:22:19,703 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:22:19,703 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:22:19,704 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:22:19,704 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:22:19,704 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:22:19,704 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:22:19,704 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:22:19,704 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:22:19,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:22:19,706 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:22:19,706 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:22:19,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:22:19,706 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:22:19,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:22:19,706 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:22:19,707 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:22:19,707 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:22:19,707 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:22:19,707 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:22:19,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:22:19,707 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_2a16e0c7-d4fe-4b85-b139-242bff793b84/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 -> 3ac23ee9420d5573e041ab9b716895f5d3bb685f [2018-11-18 09:22:19,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:22:19,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:22:19,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:22:19,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:22:19,747 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:22:19,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_true-unreach-call.c [2018-11-18 09:22:19,791 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/993393fe3/8a83997dc00d4bc3ae16f0c51118798c/FLAGb5a03edaf [2018-11-18 09:22:20,186 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:22:20,186 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_true-unreach-call.c [2018-11-18 09:22:20,190 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/993393fe3/8a83997dc00d4bc3ae16f0c51118798c/FLAGb5a03edaf [2018-11-18 09:22:20,198 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/993393fe3/8a83997dc00d4bc3ae16f0c51118798c [2018-11-18 09:22:20,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:22:20,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:22:20,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:22:20,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:22:20,204 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:22:20,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,206 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 09:22:20, skipping insertion in model container [2018-11-18 09:22:20,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:22:20,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:22:20,344 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:22:20,346 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:22:20,360 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:22:20,369 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:22:20,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20 WrapperNode [2018-11-18 09:22:20,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:22:20,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:22:20,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:22:20,370 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:22:20,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:22:20,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:22:20,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:22:20,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:22:20,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:22:20,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:22:20,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:22:20,442 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:22:20,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/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 09:22:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:22:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:22:20,626 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:22:20,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:22:20 BoogieIcfgContainer [2018-11-18 09:22:20,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:22:20,627 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:22:20,627 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:22:20,635 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:22:20,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:22:20" (1/1) ... [2018-11-18 09:22:20,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:22:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:22:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-18 09:22:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-18 09:22:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:22:20,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:22:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:22:20,745 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 09:22:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:22:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-18 09:22:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-18 09:22:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:22:20,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:22:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:22:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:22:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:22:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:22:20,807 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 09:22:20,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:22:20 ImpRootNode [2018-11-18 09:22:20,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:22:20,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:22:20,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:22:20,830 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:22:20,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:22:20" (3/4) ... [2018-11-18 09:22:20,833 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:22:20,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:22:20,834 INFO L168 Benchmark]: Toolchain (without parser) took 632.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,835 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:22:20,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.82 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.31 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,836 INFO L168 Benchmark]: Boogie Preprocessor took 49.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,836 INFO L168 Benchmark]: RCFGBuilder took 184.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,837 INFO L168 Benchmark]: CodeCheck took 202.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,837 INFO L168 Benchmark]: Witness Printer took 3.22 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:22:20,839 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, 46 GetRequests, 46 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 32, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryDOUBLEComparisonOperation at line 47. Possible FailurePath: [L10] double _EPS = 1e-6; [L37] double d, dd, r; [L38] double epsilon = 1e-8; [L40] d = 1. VAL [_EPS=1/1000000] [L40] COND TRUE d <= 20. [L42] dd = __VERIFIER_nondet_double() [L45] CALL, EXPR SqrtR(dd) [L14] double xn, xnp1, residu, lsup, linf; [L15] int i, cond; [L16] COND FALSE !(Input <= 1.0) [L16] xn = 1.0/Input [L17] xnp1 = xn [L18] residu = 2.0*_EPS*(xn+xnp1) [L19] lsup = _EPS * (xn+xnp1) [L20] linf = -lsup [L21] cond = ((residu > lsup) || (residu < linf)) [L22] i = 0 VAL [_EPS=1/1000000] [L23] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L32] RET return 1.0 / xnp1; [L45] EXPR SqrtR(dd) [L45] r = SqrtR(dd) [L47] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L8] COND TRUE !(cond) VAL [_EPS=1/1000000] [L8] __VERIFIER_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.82 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.2 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 22.31 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 202.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 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: 3.3 MB). Peak memory consumption was 3.3 MB. 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 09:22:22,250 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:22:22,251 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:22:22,258 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:22:22,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:22:22,259 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:22:22,259 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:22:22,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:22:22,261 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:22:22,262 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:22:22,262 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:22:22,262 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:22:22,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:22:22,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:22:22,265 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:22:22,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:22:22,266 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:22:22,267 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:22:22,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:22:22,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:22:22,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:22:22,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:22:22,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:22:22,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:22:22,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:22:22,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:22:22,273 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:22:22,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:22:22,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:22:22,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:22:22,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:22:22,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:22:22,275 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:22:22,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:22:22,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:22:22,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:22:22,276 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 09:22:22,285 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:22:22,285 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:22:22,286 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:22:22,286 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:22:22,286 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:22:22,286 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:22:22,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:22:22,287 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:22:22,288 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:22:22,288 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:22:22,288 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:22:22,288 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:22:22,288 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:22:22,288 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:22:22,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:22:22,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:22:22,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:22:22,289 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:22:22,290 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:22:22,290 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_2a16e0c7-d4fe-4b85-b139-242bff793b84/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 -> 3ac23ee9420d5573e041ab9b716895f5d3bb685f [2018-11-18 09:22:22,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:22:22,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:22:22,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:22:22,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:22:22,327 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:22:22,327 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_true-unreach-call.c [2018-11-18 09:22:22,362 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/a2f86ff79/ad7602d1ac3e4edb9628bc9bfa491d51/FLAGdb9cc7877 [2018-11-18 09:22:22,764 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:22:22,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant_true-unreach-call.c [2018-11-18 09:22:22,768 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/a2f86ff79/ad7602d1ac3e4edb9628bc9bfa491d51/FLAGdb9cc7877 [2018-11-18 09:22:22,776 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/bin-2019/ukojak/data/a2f86ff79/ad7602d1ac3e4edb9628bc9bfa491d51 [2018-11-18 09:22:22,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:22:22,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:22:22,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:22:22,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:22:22,782 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:22:22,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,784 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 09:22:22, skipping insertion in model container [2018-11-18 09:22:22,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:22:22,805 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:22:22,923 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:22:22,926 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:22:22,942 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:22:22,952 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:22:22,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22 WrapperNode [2018-11-18 09:22:22,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:22:22,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:22:22,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:22:22,953 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:22:22,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:22:22,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:22:22,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:22:22,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:22:22,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... [2018-11-18 09:22:22,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:22:22,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:22:22,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:22:22,999 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:22:22,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:22:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a16e0c7-d4fe-4b85-b139-242bff793b84/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 09:22:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:22:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:23:31,564 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:23:31,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:23:31 BoogieIcfgContainer [2018-11-18 09:23:31,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:23:31,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:23:31,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:23:31,574 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:23:31,574 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:23:31" (1/1) ... [2018-11-18 09:23:31,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:23:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-18 09:23:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-18 09:23:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:23:31,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:23:31,649 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 09:23:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:31,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:23:31,720 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 09:23:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:23:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-18 09:23:31,727 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-18 09:23:31,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:23:31,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:23:31,729 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 09:23:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 09:23:43,612 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 09:23:43,615 INFO L168 Benchmark]: Toolchain (without parser) took 80835.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -127.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:43,616 INFO L168 Benchmark]: CDTParser took 0.10 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 09:23:43,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.75 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:23:43,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.38 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:43,617 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:43,618 INFO L168 Benchmark]: RCFGBuilder took 68566.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:23:43,619 INFO L168 Benchmark]: CodeCheck took 12048.75 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:23:43,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.75 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 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 24.38 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 68566.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 12048.75 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...