./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec20_false-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_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/nec20_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/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 8f5e55a4b7a22c3d7de3d0a49a2ff34f668b1e90 .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:28:15,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:28:15,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:28:15,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:28:15,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:28:15,819 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:28:15,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:28:15,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:28:15,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:28:15,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:28:15,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:28:15,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:28:15,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:28:15,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:28:15,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:28:15,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:28:15,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:28:15,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:28:15,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:28:15,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:28:15,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:28:15,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:28:15,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:28:15,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:28:15,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:28:15,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:28:15,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:28:15,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:28:15,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:28:15,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:28:15,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:28:15,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:28:15,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:28:15,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:28:15,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:28:15,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:28:15,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 14:28:15,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:28:15,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:28:15,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:28:15,846 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:28:15,846 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:28:15,846 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:28:15,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:28:15,847 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:28:15,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:28:15,847 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:28:15,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:28:15,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:28:15,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:28:15,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:28:15,848 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:28:15,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:28:15,848 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:28:15,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:28:15,848 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:28:15,849 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:28:15,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:28:15,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:28:15,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:28:15,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:28:15,849 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:28:15,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:28:15,850 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:28:15,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:28:15,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:28:15,850 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_b9d8d661-36cc-4ce5-958f-074c4cc38815/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 -> 8f5e55a4b7a22c3d7de3d0a49a2ff34f668b1e90 [2018-12-01 14:28:15,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:28:15,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:28:15,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:28:15,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:28:15,885 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:28:15,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/../../sv-benchmarks/c/loops/nec20_false-unreach-call_true-termination.i [2018-12-01 14:28:15,922 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/data/d964dbae5/76e96952fe744993b82ce58b2dcb2c50/FLAGd50d0edd2 [2018-12-01 14:28:16,282 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:28:16,282 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/sv-benchmarks/c/loops/nec20_false-unreach-call_true-termination.i [2018-12-01 14:28:16,285 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/data/d964dbae5/76e96952fe744993b82ce58b2dcb2c50/FLAGd50d0edd2 [2018-12-01 14:28:16,667 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/data/d964dbae5/76e96952fe744993b82ce58b2dcb2c50 [2018-12-01 14:28:16,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:28:16,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:28:16,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:28:16,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:28:16,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:28:16,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16, skipping insertion in model container [2018-12-01 14:28:16,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:28:16,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:28:16,781 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:28:16,784 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:28:16,793 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:28:16,801 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:28:16,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16 WrapperNode [2018-12-01 14:28:16,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:28:16,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:28:16,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:28:16,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:28:16,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:28:16,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:28:16,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:28:16,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:28:16,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... [2018-12-01 14:28:16,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:28:16,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:28:16,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:28:16,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:28:16,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:28:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/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 [2018-12-01 14:28:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:28:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:28:17,029 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:28:17,029 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 14:28:17,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:28:17 BoogieIcfgContainer [2018-12-01 14:28:17,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:28:17,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:28:17,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:28:17,037 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:28:17,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:28:17" (1/1) ... [2018-12-01 14:28:17,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:28:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 14:28:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 14:28:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 14:28:17,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:28:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:28:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:28:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-01 14:28:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-01 14:28:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 14:28:17,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:28:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:28:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:28:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:28:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:28:17,231 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 14:28:17,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:28:17 ImpRootNode [2018-12-01 14:28:17,246 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:28:17,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:28:17,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:28:17,247 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:28:17,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:28:17" (3/4) ... [2018-12-01 14:28:17,248 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 14:28:17,272 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b9d8d661-36cc-4ce5-958f-074c4cc38815/bin-2019/ukojak/witness.graphml [2018-12-01 14:28:17,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:28:17,273 INFO L168 Benchmark]: Toolchain (without parser) took 603.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:28:17,274 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:28:17,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.89 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:28:17,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.26 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:28:17,275 INFO L168 Benchmark]: Boogie Preprocessor took 44.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-12-01 14:28:17,275 INFO L168 Benchmark]: RCFGBuilder took 163.89 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:28:17,275 INFO L168 Benchmark]: CodeCheck took 216.52 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:28:17,276 INFO L168 Benchmark]: Witness Printer took 25.99 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:28:17,277 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, 16 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 32 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, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int b; [L13] _Bool k=__VERIFIER_nondet_bool(); [L14] int i,n,j; [L15] int a[1025]; [L17] COND TRUE \read(k) [L18] n=0 [L23] i=0 [L24] j=__VERIFIER_nondet_int() [L25] COND FALSE !(j > 10000) VAL [b=0] [L28] COND TRUE i <= n [L29] i++ [L30] j= j +2 VAL [b=0] [L28] COND FALSE !(i <= n) [L33] a[i]=0 [L34] a[j]=0 [L5] COND TRUE !(cond) VAL [b=0] [L6] __VERIFIER_error() VAL [b=0] * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.89 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 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 19.26 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 163.89 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 216.52 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 25.99 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...