./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c --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_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/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 301c54c8b861008a1cf318e5b7f3396bc86db7c8 ................................................................................................................................................................................................................... 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 00:55:17,200 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:55:17,201 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:55:17,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:55:17,207 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:55:17,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:55:17,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:55:17,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:55:17,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:55:17,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:55:17,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:55:17,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:55:17,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:55:17,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:55:17,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:55:17,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:55:17,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:55:17,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:55:17,216 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:55:17,216 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:55:17,217 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:55:17,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:55:17,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:55:17,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:55:17,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:55:17,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:55:17,220 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:55:17,220 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:55:17,221 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:55:17,221 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:55:17,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:55:17,222 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:55:17,222 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:55:17,222 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:55:17,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:55:17,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:55:17,223 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:55:17,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:55:17,230 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:55:17,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:55:17,231 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:55:17,231 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:55:17,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:55:17,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:55:17,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:55:17,233 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:55:17,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:55:17,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:55:17,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:55:17,234 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_ae472011-aae8-4e1f-963c-c5a71bee79f5/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 -> 301c54c8b861008a1cf318e5b7f3396bc86db7c8 [2018-12-09 00:55:17,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:55:17,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:55:17,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:55:17,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:55:17,260 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:55:17,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c [2018-12-09 00:55:17,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/data/6d9094274/57a55e5480b440b4b403c3780988e2f6/FLAG59e83e6d4 [2018-12-09 00:55:17,582 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:55:17,582 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/sv-benchmarks/c/recursive-simple/sum_non_eq_true-unreach-call_true-termination_true-no-overflow.c [2018-12-09 00:55:17,586 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/data/6d9094274/57a55e5480b440b4b403c3780988e2f6/FLAG59e83e6d4 [2018-12-09 00:55:17,593 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/data/6d9094274/57a55e5480b440b4b403c3780988e2f6 [2018-12-09 00:55:17,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:55:17,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:55:17,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:55:17,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:55:17,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:55:17,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59185f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17, skipping insertion in model container [2018-12-09 00:55:17,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:55:17,612 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:55:17,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:55:17,693 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:55:17,701 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:55:17,709 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:55:17,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17 WrapperNode [2018-12-09 00:55:17,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:55:17,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:55:17,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:55:17,710 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:55:17,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:55:17,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:55:17,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:55:17,728 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:55:17,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:55:17,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:55:17,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:55:17,738 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:55:17,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/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 00:55:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:55:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:55:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2018-12-09 00:55:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2018-12-09 00:55:17,884 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:55:17,885 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 00:55:17,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:17 BoogieIcfgContainer [2018-12-09 00:55:17,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:55:17,885 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:55:17,886 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:55:17,893 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:55:17,894 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:17" (1/1) ... [2018-12-09 00:55:17,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:55:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-09 00:55:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-09 00:55:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:55:17,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:55:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:18,134 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 00:55:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:55:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-12-09 00:55:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-09 00:55:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:55:18,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:55:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:55:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:55:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 19 transitions. [2018-12-09 00:55:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-12-09 00:55:18,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:55:18,684 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-09 00:55:18,689 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:55:18,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:55:18 ImpRootNode [2018-12-09 00:55:18,708 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:55:18,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:55:18,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:55:18,709 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:55:18,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:17" (3/4) ... [2018-12-09 00:55:18,712 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:55:18,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2018-12-09 00:55:18,721 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:55:18,721 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:55:18,747 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae472011-aae8-4e1f-963c-c5a71bee79f5/bin-2019/ukojak/witness.graphml [2018-12-09 00:55:18,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:55:18,748 INFO L168 Benchmark]: Toolchain (without parser) took 1152.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 961.4 MB in the beginning and 986.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 113.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:18,748 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:55:18,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 113.13 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:18,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.24 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:55:18,749 INFO L168 Benchmark]: Boogie Preprocessor took 9.52 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:55:18,749 INFO L168 Benchmark]: RCFGBuilder took 147.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:18,750 INFO L168 Benchmark]: CodeCheck took 822.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:18,750 INFO L168 Benchmark]: Witness Printer took 38.73 ms. Allocated memory is still 1.2 GB. Free memory was 993.3 MB in the beginning and 986.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:18,752 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 2 procedures, 15 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 118 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 168 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 3002 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 3/4 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: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 113.13 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 18.24 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.52 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * CodeCheck took 822.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.73 ms. Allocated memory is still 1.2 GB. Free memory was 993.3 MB in the beginning and 986.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...