./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/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 af383046837f49b57572febe7198ecca5fffa750 .......................................................................................................................................................................................................... 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_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/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 af383046837f49b57572febe7198ecca5fffa750 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:07:32,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:07:32,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:07:32,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:07:32,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:07:32,410 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:07:32,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:07:32,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:07:32,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:07:32,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:07:32,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:07:32,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:07:32,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:07:32,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:07:32,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:07:32,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:07:32,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:07:32,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:07:32,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:07:32,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:07:32,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:07:32,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:07:32,420 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:07:32,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:07:32,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:07:32,421 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:07:32,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:07:32,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:07:32,422 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:07:32,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:07:32,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:07:32,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:07:32,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:07:32,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:07:32,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:07:32,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:07:32,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:07:32,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:07:32,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:07:32,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:07:32,432 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:07:32,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:07:32,433 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:07:32,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:07:32,434 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:07:32,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:07:32,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:07:32,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:07:32,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:07:32,435 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:07:32,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:07:32,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:07:32,435 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-12-09 04:07:32,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:07:32,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:07:32,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:07:32,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:07:32,467 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:07:32,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 04:07:32,512 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/fd2c51ccc/9ecd9a10f59d46208becef994dbd45e5/FLAGac161c463 [2018-12-09 04:07:32,977 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:07:32,977 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 04:07:32,981 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/fd2c51ccc/9ecd9a10f59d46208becef994dbd45e5/FLAGac161c463 [2018-12-09 04:07:32,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/fd2c51ccc/9ecd9a10f59d46208becef994dbd45e5 [2018-12-09 04:07:32,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:07:32,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:07:32,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:07:32,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:07:32,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:07:32,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:07:32" (1/1) ... [2018-12-09 04:07:32,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff044c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:32, skipping insertion in model container [2018-12-09 04:07:32,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:07:32" (1/1) ... [2018-12-09 04:07:33,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:07:33,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:07:33,101 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:07:33,103 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:07:33,116 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:07:33,128 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:07:33,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33 WrapperNode [2018-12-09 04:07:33,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:07:33,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:07:33,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:07:33,129 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:07:33,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:07:33,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:07:33,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:07:33,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:07:33,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:07:33,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:07:33,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:07:33,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:07:33,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/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 [2018-12-09 04:07:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 04:07:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:07:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:07:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:07:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 04:07:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 04:07:33,345 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:07:33,345 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 04:07:33,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:07:33 BoogieIcfgContainer [2018-12-09 04:07:33,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:07:33,346 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:07:33,346 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:07:33,353 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:07:33,353 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:07:33" (1/1) ... [2018-12-09 04:07:33,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:07:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:07:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-09 04:07:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-09 04:07:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 04:07:33,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:07:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:07:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:07:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:07:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:07:33,468 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 04:07:33,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:07:33 ImpRootNode [2018-12-09 04:07:33,482 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:07:33,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:07:33,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:07:33,483 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:07:33,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:07:33" (3/4) ... [2018-12-09 04:07:33,485 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 04:07:33,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:07:33,486 INFO L168 Benchmark]: Toolchain (without parser) took 494.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -104.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:07:33,487 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 971.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:07:33,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.77 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:33,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:33,488 INFO L168 Benchmark]: Boogie Preprocessor took 12.96 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. [2018-12-09 04:07:33,488 INFO L168 Benchmark]: RCFGBuilder took 151.70 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:33,489 INFO L168 Benchmark]: CodeCheck took 136.67 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:33,489 INFO L168 Benchmark]: Witness Printer took 2.70 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. [2018-12-09 04:07:33,491 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, 10 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 111. Possible FailurePath: [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 971.6 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 950.6 MB in the beginning and 939.9 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 51.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.96 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. * RCFGBuilder took 151.70 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * CodeCheck took 136.67 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 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 0.1.23-635dfa2 [2018-12-09 04:07:34,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:07:34,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:07:34,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:07:34,893 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:07:34,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:07:34,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:07:34,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:07:34,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:07:34,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:07:34,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:07:34,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:07:34,899 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:07:34,899 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:07:34,900 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:07:34,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:07:34,901 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:07:34,902 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:07:34,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:07:34,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:07:34,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:07:34,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:07:34,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:07:34,908 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:07:34,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:07:34,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:07:34,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:07:34,910 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:07:34,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:07:34,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:07:34,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:07:34,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:07:34,912 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:07:34,912 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:07:34,912 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:07:34,913 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:07:34,913 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 04:07:34,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:07:34,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:07:34,925 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:07:34,925 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:07:34,925 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:07:34,926 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:07:34,926 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:07:34,926 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:07:34,926 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:07:34,926 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:07:34,927 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:07:34,928 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:07:34,928 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:07:34,928 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:07:34,928 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:07:34,928 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:07:34,928 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:07:34,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:07:34,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:07:34,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:07:34,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:07:34,929 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 04:07:34,929 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 04:07:34,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:07:34,930 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 04:07:34,930 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 04:07:34,930 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_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-12-09 04:07:34,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:07:34,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:07:34,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:07:34,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:07:34,968 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:07:34,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 04:07:35,011 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/dd655b14c/2afe1b5500b745358dea587dab995ec6/FLAG4576ad3e4 [2018-12-09 04:07:35,320 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:07:35,320 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-12-09 04:07:35,324 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/dd655b14c/2afe1b5500b745358dea587dab995ec6/FLAG4576ad3e4 [2018-12-09 04:07:35,332 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/data/dd655b14c/2afe1b5500b745358dea587dab995ec6 [2018-12-09 04:07:35,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:07:35,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:07:35,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:07:35,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:07:35,337 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:07:35,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3950fe1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35, skipping insertion in model container [2018-12-09 04:07:35,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:07:35,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:07:35,442 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:07:35,445 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:07:35,459 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:07:35,474 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:07:35,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35 WrapperNode [2018-12-09 04:07:35,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:07:35,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:07:35,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:07:35,475 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:07:35,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:07:35,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:07:35,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:07:35,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:07:35,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:07:35,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:07:35,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:07:35,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:07:35,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/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 [2018-12-09 04:07:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:07:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 04:07:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:07:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:07:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 04:07:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 04:07:35,653 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 04:07:35,689 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:07:35,689 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 04:07:35,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:07:35 BoogieIcfgContainer [2018-12-09 04:07:35,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:07:35,690 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:07:35,690 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:07:35,696 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:07:35,696 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:07:35" (1/1) ... [2018-12-09 04:07:35,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:07:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:07:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-09 04:07:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-09 04:07:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 04:07:35,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:07:35,756 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 04:07:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:07:35,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:07:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:07:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:07:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-12-09 04:07:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-12-09 04:07:35,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:07:35,876 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-09 04:07:35,881 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:07:35,887 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:07:35,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:07:35 ImpRootNode [2018-12-09 04:07:35,889 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:07:35,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:07:35,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:07:35,889 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:07:35,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:07:35" (3/4) ... [2018-12-09 04:07:35,891 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:07:35,897 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 04:07:35,897 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 04:07:35,897 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:07:35,918 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f99ac16b-0a32-4f6b-806b-38ae5f1b7bd7/bin-2019/ukojak/witness.graphml [2018-12-09 04:07:35,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:07:35,919 INFO L168 Benchmark]: Toolchain (without parser) took 585.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:07:35,920 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:07:35,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.28 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:35,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.0 GB. Free memory was 931.2 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:35,921 INFO L168 Benchmark]: Boogie Preprocessor took 14.87 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:07:35,921 INFO L168 Benchmark]: RCFGBuilder took 177.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:35,921 INFO L168 Benchmark]: CodeCheck took 198.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:35,921 INFO L168 Benchmark]: Witness Printer took 29.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:07:35,923 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, 10 locations, 1 error locations. SAFE Result, 0.1s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 8 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 9 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: 103]: 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: 103]: 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.28 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.0 GB. Free memory was 931.2 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.87 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 177.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * CodeCheck took 198.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 29.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...