./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float3_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_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 .................................................................................................................................................................................................................. 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_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/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 214842803e5bf2009b57aa1e3a0f5face6e1dd52 .............................................................................................................................................................................................................. 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 23:23:31,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:23:31,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:23:31,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:23:31,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:23:31,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:23:31,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:23:31,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:23:31,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:23:31,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:23:31,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:23:31,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:23:31,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:23:31,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:23:31,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:23:31,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:23:31,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:23:31,274 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:23:31,275 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:23:31,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:23:31,277 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:23:31,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:23:31,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:23:31,280 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:23:31,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:23:31,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:23:31,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:23:31,282 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:23:31,283 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:23:31,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:23:31,284 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:23:31,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:23:31,285 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:23:31,285 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:23:31,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:23:31,286 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:23:31,286 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:23:31,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:23:31,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:23:31,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:23:31,300 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:23:31,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:23:31,300 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:23:31,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:23:31,300 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:23:31,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:23:31,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:23:31,302 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:23:31,302 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:23:31,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:23:31,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:23:31,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:23:31,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:23:31,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:23:31,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:23:31,303 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:23:31,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:23:31,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:23:31,303 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_44abdb24-16ff-4118-8406-275c28cfaed7/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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2018-10-26 23:23:31,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:23:31,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:23:31,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:23:31,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:23:31,349 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:23:31,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-10-26 23:23:31,394 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/64df19325/053631473f9a4d9c90891c5c21532ca9/FLAGbd3d9c564 [2018-10-26 23:23:31,746 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:23:31,747 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/sv-benchmarks/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-10-26 23:23:31,751 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/64df19325/053631473f9a4d9c90891c5c21532ca9/FLAGbd3d9c564 [2018-10-26 23:23:31,763 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/64df19325/053631473f9a4d9c90891c5c21532ca9 [2018-10-26 23:23:31,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:23:31,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:23:31,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:23:31,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:23:31,771 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:23:31,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2add98d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31, skipping insertion in model container [2018-10-26 23:23:31,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:23:31,797 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:23:31,903 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:23:31,906 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:23:31,915 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:23:31,923 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:23:31,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31 WrapperNode [2018-10-26 23:23:31,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:23:31,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:23:31,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:23:31,925 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:23:31,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:23:31,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:23:31,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:23:31,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:23:31,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... [2018-10-26 23:23:31,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:23:31,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:23:31,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:23:31,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:23:31,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/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 23:23:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:23:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:23:32,365 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:23:32,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:23:32 BoogieIcfgContainer [2018-10-26 23:23:32,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:23:32,366 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:23:32,366 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:23:32,377 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:23:32,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:23:32" (1/1) ... [2018-10-26 23:23:32,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:23:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 23:23:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 23:23:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 23:23:32,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:23:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:23:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:23:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:23:32,544 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 23:23:32,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:23:32 ImpRootNode [2018-10-26 23:23:32,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:23:32,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:23:32,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:23:32,561 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:23:32,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:23:32" (3/4) ... [2018-10-26 23:23:32,565 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:23:32,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:23:32,566 INFO L168 Benchmark]: Toolchain (without parser) took 799.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:23:32,567 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-26 23:23:32,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.14 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:32,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.17 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:23:32,569 INFO L168 Benchmark]: Boogie Preprocessor took 9.28 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:32,570 INFO L168 Benchmark]: RCFGBuilder took 408.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:32,571 INFO L168 Benchmark]: CodeCheck took 193.96 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:32,572 INFO L168 Benchmark]: Witness Printer took 4.36 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 23:23:32,575 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, 11 locations, 1 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: 24]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 24, overapproximation of someBinaryArithmeticDOUBLEoperation at line 20. Possible FailurePath: [L4] double d = 0.0; [L13] int x = 2; [L15] COND TRUE __VERIFIER_nondet_int() [L16] x = 4 [L18] CALL f1() [L8] RET d = 1.0 [L18] f1() [L20] d += (x == 2) [L22] d += (x > 3) [L24] COND TRUE !(d == 2.0) [L24] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.14 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.17 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.28 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 408.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * CodeCheck took 193.96 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.36 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 23:23:34,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:23:34,401 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:23:34,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:23:34,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:23:34,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:23:34,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:23:34,413 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:23:34,414 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:23:34,415 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:23:34,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:23:34,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:23:34,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:23:34,418 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:23:34,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:23:34,419 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:23:34,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:23:34,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:23:34,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:23:34,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:23:34,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:23:34,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:23:34,427 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:23:34,427 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:23:34,427 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:23:34,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:23:34,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:23:34,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:23:34,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:23:34,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:23:34,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:23:34,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:23:34,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:23:34,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:23:34,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:23:34,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:23:34,434 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 23:23:34,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:23:34,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:23:34,452 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:23:34,452 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:23:34,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:23:34,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:23:34,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:23:34,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:23:34,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:23:34,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:23:34,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:23:34,455 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:23:34,455 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:23:34,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:23:34,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:23:34,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:23:34,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:23:34,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:23:34,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:23:34,456 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 23:23:34,456 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:23:34,456 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:23:34,456 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:23:34,457 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:23:34,457 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/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 -> 214842803e5bf2009b57aa1e3a0f5face6e1dd52 [2018-10-26 23:23:34,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:23:34,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:23:34,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:23:34,522 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:23:34,523 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:23:34,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-10-26 23:23:34,571 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/1082357e6/897e1ba02e2d4e63aa8d04bff71875a8/FLAG0641398f0 [2018-10-26 23:23:34,936 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:23:34,937 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/sv-benchmarks/c/floats-cbmc-regression/float3_true-unreach-call_true-termination.i [2018-10-26 23:23:34,943 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/1082357e6/897e1ba02e2d4e63aa8d04bff71875a8/FLAG0641398f0 [2018-10-26 23:23:34,955 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/data/1082357e6/897e1ba02e2d4e63aa8d04bff71875a8 [2018-10-26 23:23:34,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:23:34,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:23:34,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:23:34,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:23:34,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:23:34,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:23:34" (1/1) ... [2018-10-26 23:23:34,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6a9244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:34, skipping insertion in model container [2018-10-26 23:23:34,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:23:34" (1/1) ... [2018-10-26 23:23:34,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:23:34,991 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:23:35,120 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:23:35,125 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:23:35,137 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:23:35,150 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:23:35,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35 WrapperNode [2018-10-26 23:23:35,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:23:35,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:23:35,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:23:35,151 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:23:35,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:23:35,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:23:35,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:23:35,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:23:35,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... [2018-10-26 23:23:35,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:23:35,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:23:35,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:23:35,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:23:35,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:23:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/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 23:23:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:23:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:23:37,697 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:23:37,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:23:37 BoogieIcfgContainer [2018-10-26 23:23:37,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:23:37,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:23:37,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:23:37,715 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:23:37,715 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:23:37" (1/1) ... [2018-10-26 23:23:37,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:23:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 23:23:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 23:23:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 23:23:37,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:37,798 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 23:23:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:38,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:23:38,239 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 23:23:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:39,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-26 23:23:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-26 23:23:39,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:23:39,382 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-26 23:23:39,388 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:23:39,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:23:39 ImpRootNode [2018-10-26 23:23:39,405 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:23:39,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:23:39,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:23:39,405 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:23:39,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:23:37" (3/4) ... [2018-10-26 23:23:39,409 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:23:39,417 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 23:23:39,417 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 23:23:39,417 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:23:39,462 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44abdb24-16ff-4118-8406-275c28cfaed7/bin-2019/ukojak/witness.graphml [2018-10-26 23:23:39,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:23:39,462 INFO L168 Benchmark]: Toolchain (without parser) took 4504.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 154.5 kB. Max. memory is 11.5 GB. [2018-10-26 23:23:39,463 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 23:23:39,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.66 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:39,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.46 ms. Allocated memory is still 1.0 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:23:39,465 INFO L168 Benchmark]: Boogie Preprocessor took 16.70 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 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 23:23:39,466 INFO L168 Benchmark]: RCFGBuilder took 2502.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:39,467 INFO L168 Benchmark]: CodeCheck took 1706.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:39,467 INFO L168 Benchmark]: Witness Printer took 56.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:23:39,472 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, 11 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 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 - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * 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 190.66 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.2 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 27.46 ms. Allocated memory is still 1.0 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.70 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 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 2502.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1706.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 56.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...