./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float5_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_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/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 e03384737e8763104139cfd338bec2bd1e3e90b2 ............................................................................................................................................................................................................ 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_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/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 e03384737e8763104139cfd338bec2bd1e3e90b2 ........................................................................................................................................................................................................ 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 21:55:01,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:55:01,587 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:55:01,597 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:55:01,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:55:01,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:55:01,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:55:01,601 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:55:01,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:55:01,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:55:01,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:55:01,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:55:01,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:55:01,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:55:01,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:55:01,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:55:01,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:55:01,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:55:01,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:55:01,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:55:01,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:55:01,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:55:01,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:55:01,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:55:01,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:55:01,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:55:01,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:55:01,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:55:01,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:55:01,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:55:01,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:55:01,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:55:01,630 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:55:01,630 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:55:01,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:55:01,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:55:01,634 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:55:01,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:55:01,651 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:55:01,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:55:01,652 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:55:01,653 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:55:01,653 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:55:01,653 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:55:01,653 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:55:01,654 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:55:01,654 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:55:01,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:55:01,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:55:01,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:55:01,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:55:01,655 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:55:01,655 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:55:01,655 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:55:01,655 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:55:01,655 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:55:01,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:55:01,656 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:55:01,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:55:01,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:55:01,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:55:01,656 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:55:01,657 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:55:01,657 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:55:01,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:55:01,657 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_3ae9d92d-4516-419d-8fec-53b9f51d1232/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 -> e03384737e8763104139cfd338bec2bd1e3e90b2 [2018-10-26 21:55:01,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:55:01,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:55:01,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:55:01,709 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:55:01,709 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:55:01,710 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-10-26 21:55:01,769 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/3dc88dbf4/4d6c4b8796574f93965f4a057effc2de/FLAG26f8c075d [2018-10-26 21:55:02,158 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:55:02,159 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-10-26 21:55:02,165 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/3dc88dbf4/4d6c4b8796574f93965f4a057effc2de/FLAG26f8c075d [2018-10-26 21:55:02,178 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/3dc88dbf4/4d6c4b8796574f93965f4a057effc2de [2018-10-26 21:55:02,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:55:02,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:55:02,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:55:02,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:55:02,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:55:02,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736828dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02, skipping insertion in model container [2018-10-26 21:55:02,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:55:02,217 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:55:02,339 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:55:02,342 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:55:02,353 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:55:02,365 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:55:02,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02 WrapperNode [2018-10-26 21:55:02,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:55:02,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:55:02,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:55:02,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:55:02,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:55:02,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:55:02,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:55:02,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:55:02,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:55:02,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:55:02,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:55:02,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:55:02,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/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 21:55:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:55:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:55:02,840 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:55:02,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:55:02 BoogieIcfgContainer [2018-10-26 21:55:02,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:55:02,842 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:55:02,842 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:55:02,855 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:55:02,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:55:02" (1/1) ... [2018-10-26 21:55:02,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:55:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:55:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 21:55:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 21:55:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 21:55:02,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:55:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:55:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:55:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:55:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:55:03,056 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 21:55:03,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:55:03 ImpRootNode [2018-10-26 21:55:03,075 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:55:03,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:55:03,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:55:03,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:55:03,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:55:02" (3/4) ... [2018-10-26 21:55:03,081 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:55:03,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:55:03,082 INFO L168 Benchmark]: Toolchain (without parser) took 901.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 959.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:55:03,084 INFO L168 Benchmark]: CDTParser took 0.19 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 21:55:03,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:03,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.15 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 21:55:03,087 INFO L168 Benchmark]: Boogie Preprocessor took 11.03 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 21:55:03,088 INFO L168 Benchmark]: RCFGBuilder took 438.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:03,089 INFO L168 Benchmark]: CodeCheck took 233.47 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: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:03,090 INFO L168 Benchmark]: Witness Printer took 6.16 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 21:55:03,095 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, 8 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: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L6] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L6] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L9] b=a [L10] a/=2 [L11] a*=2 [L12] COND TRUE !(a==b) [L12] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 183.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 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 25.15 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 11.03 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 438.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 233.47 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: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.16 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 21:55:05,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:55:05,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:55:05,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:55:05,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:55:05,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:55:05,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:55:05,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:55:05,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:55:05,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:55:05,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:55:05,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:55:05,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:55:05,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:55:05,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:55:05,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:55:05,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:55:05,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:55:05,160 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:55:05,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:55:05,162 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:55:05,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:55:05,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:55:05,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:55:05,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:55:05,172 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:55:05,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:55:05,173 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:55:05,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:55:05,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:55:05,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:55:05,178 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:55:05,178 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:55:05,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:55:05,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:55:05,180 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:55:05,180 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 21:55:05,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:55:05,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:55:05,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:55:05,213 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:55:05,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:55:05,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:55:05,214 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:55:05,214 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:55:05,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:55:05,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:55:05,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:55:05,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:55:05,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:55:05,217 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:55:05,217 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:55:05,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:55:05,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:55:05,219 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:55:05,219 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:55:05,219 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:55:05,219 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:55:05,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:55:05,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:55:05,220 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:55:05,220 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:55:05,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:55:05,220 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 21:55:05,220 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:55:05,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:55:05,221 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:55:05,221 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:55:05,221 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_3ae9d92d-4516-419d-8fec-53b9f51d1232/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 -> e03384737e8763104139cfd338bec2bd1e3e90b2 [2018-10-26 21:55:05,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:55:05,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:55:05,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:55:05,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:55:05,303 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:55:05,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-10-26 21:55:05,361 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/0a2e42029/aa244b55981e4b93b9ed162f546edaf2/FLAGe66b0456a [2018-10-26 21:55:05,727 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:55:05,728 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-10-26 21:55:05,732 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/0a2e42029/aa244b55981e4b93b9ed162f546edaf2/FLAGe66b0456a [2018-10-26 21:55:05,744 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/data/0a2e42029/aa244b55981e4b93b9ed162f546edaf2 [2018-10-26 21:55:05,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:55:05,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:55:05,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:55:05,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:55:05,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:55:05,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:05,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c1574d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05, skipping insertion in model container [2018-10-26 21:55:05,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:05,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:55:05,781 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:55:05,949 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:55:05,957 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:55:05,979 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:55:05,996 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:55:05,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05 WrapperNode [2018-10-26 21:55:05,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:55:05,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:55:05,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:55:05,998 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:55:06,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:55:06,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:55:06,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:55:06,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:55:06,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... [2018-10-26 21:55:06,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:55:06,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:55:06,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:55:06,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:55:06,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:55:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/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 21:55:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:55:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:55:09,015 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:55:09,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:55:09 BoogieIcfgContainer [2018-10-26 21:55:09,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:55:09,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:55:09,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:55:09,035 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:55:09,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:55:09" (1/1) ... [2018-10-26 21:55:09,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:55:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:55:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 21:55:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 21:55:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 21:55:09,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:55:09,142 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:55:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:55:10,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:55:24,497 WARN L179 SmtUtils]: Spent 12.98 s on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-10-26 21:55:25,326 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 21:55:37,182 WARN L179 SmtUtils]: Spent 8.78 s on a formula simplification that was a NOOP. DAG size: 22 [2018-10-26 21:55:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:55:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-26 21:55:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-26 21:55:40,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:55:40,740 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-26 21:55:40,756 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:55:49,542 WARN L179 SmtUtils]: Spent 8.77 s on a formula simplification that was a NOOP. DAG size: 21 [2018-10-26 21:55:49,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:55:49 ImpRootNode [2018-10-26 21:55:49,547 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:55:49,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:55:49,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:55:49,548 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:55:49,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:55:09" (3/4) ... [2018-10-26 21:55:49,552 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:55:49,562 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 21:55:49,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:55:49,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:55:49,603 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ae9d92d-4516-419d-8fec-53b9f51d1232/bin-2019/ukojak/witness.graphml [2018-10-26 21:55:49,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:55:49,605 INFO L168 Benchmark]: Toolchain (without parser) took 43857.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:49,606 INFO L168 Benchmark]: CDTParser took 0.17 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 21:55:49,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.62 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:49,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.66 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:55:49,608 INFO L168 Benchmark]: Boogie Preprocessor took 28.86 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:49,609 INFO L168 Benchmark]: RCFGBuilder took 2948.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -212.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:49,609 INFO L168 Benchmark]: CodeCheck took 40530.56 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:55:49,610 INFO L168 Benchmark]: Witness Printer took 56.50 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 21:55:49,615 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, 8 locations, 1 error locations. SAFE Result, 31.6s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 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: 12]: 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 0.17 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 248.62 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 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 40.66 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.86 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2948.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -212.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 40530.56 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.50 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...