./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/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 773baadb55b498633b84884838d360efb3aec808 ........................................................................................................................................................................................................... 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_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/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 773baadb55b498633b84884838d360efb3aec808 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:20:44,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:20:44,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:20:44,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:20:44,393 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:20:44,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:20:44,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:20:44,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:20:44,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:20:44,397 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:20:44,398 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:20:44,398 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:20:44,399 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:20:44,400 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:20:44,400 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:20:44,401 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:20:44,402 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:20:44,403 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:20:44,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:20:44,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:20:44,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:20:44,407 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:20:44,408 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:20:44,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:20:44,409 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:20:44,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:20:44,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:20:44,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:20:44,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:20:44,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:20:44,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:20:44,413 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:20:44,413 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:20:44,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:20:44,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:20:44,414 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:20:44,414 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:20:44,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:20:44,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:20:44,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:20:44,425 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:20:44,425 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:20:44,425 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:20:44,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:20:44,426 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:20:44,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:20:44,427 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:20:44,427 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:20:44,427 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:20:44,427 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:20:44,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:20:44,427 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:20:44,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:20:44,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:20:44,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:20:44,428 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:20:44,428 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:20:44,428 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:20:44,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:20:44,429 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_997e296f-0612-4ad4-8a97-14600aeff355/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 -> 773baadb55b498633b84884838d360efb3aec808 [2018-11-18 13:20:44,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:20:44,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:20:44,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:20:44,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:20:44,461 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:20:44,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-18 13:20:44,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/a35dddd7b/75611775b8f74ddca612d614f8f2cecb/FLAG8596a7b1d [2018-11-18 13:20:44,870 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:20:44,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-18 13:20:44,874 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/a35dddd7b/75611775b8f74ddca612d614f8f2cecb/FLAG8596a7b1d [2018-11-18 13:20:44,885 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/a35dddd7b/75611775b8f74ddca612d614f8f2cecb [2018-11-18 13:20:44,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:20:44,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:20:44,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:20:44,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:20:44,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:20:44,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:20:44" (1/1) ... [2018-11-18 13:20:44,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e32060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:44, skipping insertion in model container [2018-11-18 13:20:44,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:20:44" (1/1) ... [2018-11-18 13:20:44,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:20:44,908 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:20:45,005 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:20:45,008 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:20:45,015 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:20:45,023 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:20:45,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45 WrapperNode [2018-11-18 13:20:45,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:20:45,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:20:45,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:20:45,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:20:45,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:20:45,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:20:45,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:20:45,050 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:20:45,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:20:45,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:20:45,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:20:45,096 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:20:45,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:20:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:20:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:20:45,231 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:20:45,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:45 BoogieIcfgContainer [2018-11-18 13:20:45,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:20:45,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:20:45,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:20:45,242 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:20:45,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:45" (1/1) ... [2018-11-18 13:20:45,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 13:20:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 13:20:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 13:20:45,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:20:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:20:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:20:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:20:45,367 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 13:20:45,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:20:45 ImpRootNode [2018-11-18 13:20:45,379 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:20:45,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:20:45,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:20:45,379 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:20:45,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:45" (3/4) ... [2018-11-18 13:20:45,383 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:20:45,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:20:45,384 INFO L168 Benchmark]: Toolchain (without parser) took 496.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:20:45,385 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:20:45,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.77 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:45,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.42 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:45,387 INFO L168 Benchmark]: Boogie Preprocessor took 45.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:45,388 INFO L168 Benchmark]: RCFGBuilder took 136.20 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:45,389 INFO L168 Benchmark]: CodeCheck took 146.94 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:45,390 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:20:45,394 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, 9 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] double x = 1e20 + 1.; [L9] float y = x; [L10] CALL __VERIFIER_assert(x != y) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.77 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 25.42 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 136.20 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 146.94 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 13:20:46,755 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:20:46,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:20:46,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:20:46,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:20:46,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:20:46,766 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:20:46,768 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:20:46,769 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:20:46,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:20:46,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:20:46,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:20:46,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:20:46,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:20:46,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:20:46,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:20:46,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:20:46,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:20:46,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:20:46,778 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:20:46,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:20:46,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:20:46,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:20:46,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:20:46,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:20:46,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:20:46,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:20:46,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:20:46,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:20:46,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:20:46,785 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:20:46,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:20:46,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:20:46,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:20:46,787 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:20:46,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:20:46,787 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 13:20:46,798 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:20:46,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:20:46,799 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:20:46,799 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:20:46,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:20:46,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:20:46,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:20:46,801 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:20:46,801 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:20:46,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:20:46,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:20:46,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:20:46,801 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:20:46,802 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:20:46,802 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:20:46,802 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:20:46,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:20:46,802 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:20:46,802 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:20:46,802 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:20:46,803 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:20:46,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:20:46,803 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:20:46,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:20:46,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:20:46,803 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:20:46,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:20:46,804 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 13:20:46,804 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:20:46,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:20:46,806 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:20:46,806 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:20:46,806 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_997e296f-0612-4ad4-8a97-14600aeff355/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 -> 773baadb55b498633b84884838d360efb3aec808 [2018-11-18 13:20:46,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:20:46,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:20:46,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:20:46,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:20:46,852 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:20:46,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-18 13:20:46,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/2949e2cdf/9f39930d23e0450d8ccde5a4cbc18919/FLAGbb8415c66 [2018-11-18 13:20:47,211 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:20:47,211 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-18 13:20:47,214 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/2949e2cdf/9f39930d23e0450d8ccde5a4cbc18919/FLAGbb8415c66 [2018-11-18 13:20:47,652 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/data/2949e2cdf/9f39930d23e0450d8ccde5a4cbc18919 [2018-11-18 13:20:47,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:20:47,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:20:47,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:20:47,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:20:47,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:20:47,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4996db4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47, skipping insertion in model container [2018-11-18 13:20:47,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:20:47,675 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:20:47,788 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:20:47,793 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:20:47,801 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:20:47,810 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:20:47,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47 WrapperNode [2018-11-18 13:20:47,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:20:47,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:20:47,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:20:47,811 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:20:47,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:20:47,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:20:47,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:20:47,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:20:47,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... [2018-11-18 13:20:47,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:20:47,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:20:47,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:20:47,842 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:20:47,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:20:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:20:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:20:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:20:48,031 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:20:48,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:48 BoogieIcfgContainer [2018-11-18 13:20:48,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:20:48,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:20:48,032 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:20:48,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:20:48,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:48" (1/1) ... [2018-11-18 13:20:48,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 13:20:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 13:20:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 13:20:48,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:20:48,099 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 13:20:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:48,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:20:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:20:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:20:48,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 13:20:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 13:20:48,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:20:48,423 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 13:20:48,429 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:20:48,435 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:20:48,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:20:48 ImpRootNode [2018-11-18 13:20:48,438 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:20:48,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:20:48,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:20:48,438 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:20:48,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:20:48" (3/4) ... [2018-11-18 13:20:48,442 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:20:48,448 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:20:48,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 13:20:48,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:20:48,469 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_997e296f-0612-4ad4-8a97-14600aeff355/bin-2019/ukojak/witness.graphml [2018-11-18 13:20:48,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:20:48,470 INFO L168 Benchmark]: Toolchain (without parser) took 815.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:20:48,471 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:20:48,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.21 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:48,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.98 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:48,472 INFO L168 Benchmark]: Boogie Preprocessor took 12.56 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:20:48,472 INFO L168 Benchmark]: RCFGBuilder took 190.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:48,472 INFO L168 Benchmark]: CodeCheck took 405.52 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:48,473 INFO L168 Benchmark]: Witness Printer took 31.52 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:20:48,475 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, 9 locations, 1 error locations. SAFE Result, 0.3s 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 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: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.21 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.98 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.56 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 190.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * CodeCheck took 405.52 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 31.52 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...