./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/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_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/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 0.1.23-1dbac8b [2018-11-10 06:00:03,388 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:00:03,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:00:03,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:00:03,396 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:00:03,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:00:03,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:00:03,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:00:03,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:00:03,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:00:03,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:00:03,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:00:03,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:00:03,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:00:03,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:00:03,403 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:00:03,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:00:03,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:00:03,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:00:03,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:00:03,408 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:00:03,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:00:03,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:00:03,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:00:03,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:00:03,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:00:03,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:00:03,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:00:03,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:00:03,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:00:03,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:00:03,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:00:03,414 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:00:03,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:00:03,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:00:03,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:00:03,416 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 06:00:03,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:00:03,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:00:03,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:00:03,427 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:00:03,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:00:03,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:00:03,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:00:03,427 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:00:03,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:00:03,429 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:00:03,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:00:03,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:00:03,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/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 [2018-11-10 06:00:03,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:00:03,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:00:03,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:00:03,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:00:03,463 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:00:03,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/../../sv-benchmarks/c/loops/nec20_false-unreach-call_true-termination.i [2018-11-10 06:00:03,499 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/data/286369c4f/6049aa76990d47de8b7e770326ef3564/FLAGfc299e238 [2018-11-10 06:00:03,896 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:00:03,897 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/sv-benchmarks/c/loops/nec20_false-unreach-call_true-termination.i [2018-11-10 06:00:03,901 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/data/286369c4f/6049aa76990d47de8b7e770326ef3564/FLAGfc299e238 [2018-11-10 06:00:03,910 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/data/286369c4f/6049aa76990d47de8b7e770326ef3564 [2018-11-10 06:00:03,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:00:03,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:00:03,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:00:03,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:00:03,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:00:03,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:00:03" (1/1) ... [2018-11-10 06:00:03,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:03, skipping insertion in model container [2018-11-10 06:00:03,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:00:03" (1/1) ... [2018-11-10 06:00:03,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:00:03,938 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:00:04,041 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:00:04,043 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:00:04,054 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:00:04,063 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:00:04,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04 WrapperNode [2018-11-10 06:00:04,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:00:04,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:00:04,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:00:04,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:00:04,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:00:04,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:00:04,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:00:04,082 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:00:04,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:00:04,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:00:04,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:00:04,094 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:00:04,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:00:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:00:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:00:04,309 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:00:04,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:00:04 BoogieIcfgContainer [2018-11-10 06:00:04,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:00:04,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:00:04,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:00:04,317 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:00:04,318 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:00:04" (1/1) ... [2018-11-10 06:00:04,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:00:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:00:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-10 06:00:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-10 06:00:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 06:00:04,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:00:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:00:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:00:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:00:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 06:00:04,431 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 06:00:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 06:00:04,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:00:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:00:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:00:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:00:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-10 06:00:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-10 06:00:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 06:00:04,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:00:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:00:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:00:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:00:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:00:04,554 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-10 06:00:04,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:00:04 ImpRootNode [2018-11-10 06:00:04,572 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:00:04,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:00:04,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:00:04,572 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:00:04,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:00:04" (3/4) ... [2018-11-10 06:00:04,574 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 06:00:04,601 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55733e7e-0129-4e55-8962-a7e394a1c575/bin-2019/ukojak/witness.graphml [2018-11-10 06:00:04,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:00:04,602 INFO L168 Benchmark]: Toolchain (without parser) took 688.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:00:04,603 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:00:04,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:00:04,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:00:04,603 INFO L168 Benchmark]: Boogie Preprocessor took 11.21 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:00:04,604 INFO L168 Benchmark]: RCFGBuilder took 215.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:00:04,604 INFO L168 Benchmark]: CodeCheck took 262.20 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:00:04,604 INFO L168 Benchmark]: Witness Printer took 29.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:00:04,606 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, 17 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 12 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 81 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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) VAL [b=0] [L33] a[i]=0 [L34] a[j]=0 [L35] CALL __VERIFIER_assert(j<1025) [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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 18.50 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.21 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 215.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 262.20 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Witness Printer took 29.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...