./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/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 0572227f16868054f9308a9d75f98d2abad6a63b ............................................................................................................................................................................................................ 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_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/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 0572227f16868054f9308a9d75f98d2abad6a63b ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:55:59,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:55:59,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:55:59,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:55:59,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:55:59,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:55:59,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:55:59,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:55:59,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:55:59,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:55:59,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:55:59,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:55:59,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:55:59,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:55:59,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:55:59,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:55:59,278 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:55:59,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:55:59,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:55:59,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:55:59,287 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:55:59,288 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:55:59,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:55:59,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:55:59,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:55:59,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:55:59,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:55:59,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:55:59,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:55:59,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:55:59,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:55:59,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:55:59,299 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:55:59,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:55:59,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:55:59,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:55:59,301 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:55:59,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:55:59,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:55:59,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:55:59,311 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:55:59,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:55:59,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:55:59,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:55:59,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:55:59,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:55:59,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:55:59,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:55:59,313 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:55:59,314 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:55:59,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:55:59,314 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:55:59,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:55:59,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:55:59,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:55:59,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:55:59,314 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:55:59,315 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:55:59,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:55:59,315 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_1eb84cf5-70a5-416d-8f20-abb5c7854780/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 -> 0572227f16868054f9308a9d75f98d2abad6a63b [2018-10-26 19:55:59,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:55:59,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:55:59,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:55:59,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:55:59,363 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:55:59,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-10-26 19:55:59,406 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/0b142224f/9ba9cd908ecc4ad19d14491b81506a8a/FLAGa54c050a5 [2018-10-26 19:55:59,770 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:55:59,771 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-10-26 19:55:59,775 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/0b142224f/9ba9cd908ecc4ad19d14491b81506a8a/FLAGa54c050a5 [2018-10-26 19:55:59,785 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/0b142224f/9ba9cd908ecc4ad19d14491b81506a8a [2018-10-26 19:55:59,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:55:59,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:55:59,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:59,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:55:59,793 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:55:59,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728b191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59, skipping insertion in model container [2018-10-26 19:55:59,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:55:59,816 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:55:59,928 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:59,931 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:55:59,942 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:59,950 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:55:59,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59 WrapperNode [2018-10-26 19:55:59,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:59,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:59,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:55:59,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:55:59,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:59,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:55:59,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:55:59,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:55:59,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... [2018-10-26 19:55:59,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:55:59,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:55:59,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:55:59,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:55:59,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:56:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:56:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:56:00,403 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:56:00,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:00 BoogieIcfgContainer [2018-10-26 19:56:00,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:56:00,404 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:56:00,404 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:56:00,414 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:56:00,414 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:00" (1/1) ... [2018-10-26 19:56:00,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-10-26 19:56:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-10-26 19:56:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 19:56:00,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:56:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:56:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:56:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:56:00,587 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 19:56:00,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:56:00 ImpRootNode [2018-10-26 19:56:00,607 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:56:00,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:56:00,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:56:00,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:56:00,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:00" (3/4) ... [2018-10-26 19:56:00,611 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:56:00,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:56:00,612 INFO L168 Benchmark]: Toolchain (without parser) took 823.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:00,616 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:00,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.04 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:00,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:00,617 INFO L168 Benchmark]: Boogie Preprocessor took 12.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:00,618 INFO L168 Benchmark]: RCFGBuilder took 413.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:00,619 INFO L168 Benchmark]: CodeCheck took 202.64 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:00,620 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:00,625 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, 20 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10. Possible FailurePath: [L5] float a; [L6] double b; [L9] a=1.25L [L10] COND TRUE !(a==1.25) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.04 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 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 26.06 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 413.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 202.64 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:56:02,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:56:02,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:56:02,368 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:56:02,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:56:02,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:56:02,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:56:02,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:56:02,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:56:02,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:56:02,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:56:02,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:56:02,375 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:56:02,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:56:02,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:56:02,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:56:02,380 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:56:02,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:56:02,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:56:02,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:56:02,393 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:56:02,394 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:56:02,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:56:02,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:56:02,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:56:02,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:56:02,401 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:56:02,401 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:56:02,402 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:56:02,403 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:56:02,403 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:56:02,404 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:56:02,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:56:02,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:56:02,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:56:02,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:56:02,409 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 19:56:02,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:56:02,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:56:02,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:56:02,431 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:56:02,432 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:56:02,432 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:56:02,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:56:02,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:56:02,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:56:02,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:56:02,433 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:56:02,434 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:56:02,434 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:56:02,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:56:02,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:56:02,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:56:02,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:56:02,435 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:56:02,435 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_1eb84cf5-70a5-416d-8f20-abb5c7854780/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 -> 0572227f16868054f9308a9d75f98d2abad6a63b [2018-10-26 19:56:02,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:56:02,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:56:02,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:56:02,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:56:02,481 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:56:02,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-10-26 19:56:02,524 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/fb5dfb529/2571703b1b964b2ab68f961439a75248/FLAG4bfc6e52a [2018-10-26 19:56:02,889 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:56:02,891 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-10-26 19:56:02,896 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/fb5dfb529/2571703b1b964b2ab68f961439a75248/FLAG4bfc6e52a [2018-10-26 19:56:02,910 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/data/fb5dfb529/2571703b1b964b2ab68f961439a75248 [2018-10-26 19:56:02,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:56:02,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:56:02,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:56:02,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:56:02,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:56:02,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:56:02" (1/1) ... [2018-10-26 19:56:02,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376bdebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:02, skipping insertion in model container [2018-10-26 19:56:02,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:56:02" (1/1) ... [2018-10-26 19:56:02,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:56:02,952 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:56:03,107 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:56:03,113 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:56:03,125 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:56:03,137 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:56:03,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03 WrapperNode [2018-10-26 19:56:03,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:56:03,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:56:03,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:56:03,139 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:56:03,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:56:03,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:56:03,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:56:03,167 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:56:03,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:56:03,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:56:03,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:56:03,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:56:03,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:56:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:56:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:56:03,826 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:56:03,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:03 BoogieIcfgContainer [2018-10-26 19:56:03,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:56:03,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:56:03,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:56:03,837 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:56:03,837 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:03" (1/1) ... [2018-10-26 19:56:03,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-10-26 19:56:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-10-26 19:56:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 19:56:03,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:03,920 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 19:56:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:03,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-10-26 19:56:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-10-26 19:56:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 19:56:04,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:04,319 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 19:56:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:04,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-26 19:56:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-26 19:56:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 19:56:04,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:04,407 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 19:56:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:04,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-10-26 19:56:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-10-26 19:56:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:56:04,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:04,500 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 19:56:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:04,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-10-26 19:56:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-10-26 19:56:04,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:56:04,647 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-10-26 19:56:04,655 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-10-26 19:56:04,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:56:04 ImpRootNode [2018-10-26 19:56:04,781 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:56:04,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:56:04,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:56:04,782 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:56:04,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:03" (3/4) ... [2018-10-26 19:56:04,785 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:56:04,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 19:56:04,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:56:04,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:56:04,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1eb84cf5-70a5-416d-8f20-abb5c7854780/bin-2019/ukojak/witness.graphml [2018-10-26 19:56:04,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:56:04,826 INFO L168 Benchmark]: Toolchain (without parser) took 1911.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:04,827 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:04,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:04,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.50 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:04,828 INFO L168 Benchmark]: Boogie Preprocessor took 17.13 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:04,829 INFO L168 Benchmark]: RCFGBuilder took 641.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:04,829 INFO L168 Benchmark]: CodeCheck took 954.56 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:04,829 INFO L168 Benchmark]: Witness Printer took 43.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:04,832 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, 20 locations, 4 error locations. SAFE Result, 0.7s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 66 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 4 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 8 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: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 222.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.50 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.13 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 641.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * CodeCheck took 954.56 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 43.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...