./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c --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_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/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 ccae6f392e1d87c0b193f39dee91a5c51306cb93 ............................................................................................................................................................................................................................................. 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 [2018-10-27 00:48:18,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:48:18,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:48:18,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:48:18,082 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:48:18,083 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:48:18,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:48:18,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:48:18,089 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:48:18,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:48:18,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:48:18,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:48:18,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:48:18,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:48:18,095 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:48:18,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:48:18,096 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:48:18,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:48:18,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:48:18,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:48:18,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:48:18,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:48:18,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:48:18,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:48:18,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:48:18,109 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:48:18,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:48:18,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:48:18,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:48:18,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:48:18,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:48:18,115 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:48:18,115 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:48:18,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:48:18,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:48:18,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:48:18,117 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:48:18,132 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:48:18,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:48:18,133 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:48:18,133 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:48:18,135 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:48:18,135 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:48:18,135 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:48:18,135 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:48:18,135 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:48:18,136 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:48:18,136 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:48:18,136 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:48:18,136 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:48:18,136 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:48:18,136 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:48:18,137 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:48:18,137 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:48:18,137 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:48:18,137 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:48:18,137 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:48:18,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:48:18,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:48:18,140 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:48:18,140 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:48:18,140 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:48:18,140 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:48:18,141 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:48:18,141 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:48:18,141 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_a038e7f6-1823-49d8-9c78-003a00877121/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 -> ccae6f392e1d87c0b193f39dee91a5c51306cb93 [2018-10-27 00:48:18,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:48:18,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:48:18,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:48:18,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:48:18,191 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:48:18,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c [2018-10-27 00:48:18,259 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/data/b8368a2a5/473cd4a5c17a45f2884fe5780342955a/FLAGf5d61a76a [2018-10-27 00:48:18,645 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:48:18,646 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1_false-unreach-call_true-no-overflow_true-termination.c [2018-10-27 00:48:18,654 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/data/b8368a2a5/473cd4a5c17a45f2884fe5780342955a/FLAGf5d61a76a [2018-10-27 00:48:18,669 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/data/b8368a2a5/473cd4a5c17a45f2884fe5780342955a [2018-10-27 00:48:18,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:48:18,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:48:18,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:18,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:48:18,678 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:48:18,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad6c917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18, skipping insertion in model container [2018-10-27 00:48:18,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:48:18,715 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:48:18,879 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:18,883 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:48:18,900 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:18,916 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:48:18,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18 WrapperNode [2018-10-27 00:48:18,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:18,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:48:18,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:48:18,920 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:48:18,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:48:18,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:48:18,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:48:18,954 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:48:18,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... [2018-10-27 00:48:18,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:48:18,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:48:18,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:48:18,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:48:18,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/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 [2018-10-27 00:48:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure A [2018-10-27 00:48:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2018-10-27 00:48:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:48:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:48:19,425 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:48:19,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:19 BoogieIcfgContainer [2018-10-27 00:48:19,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:48:19,426 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:48:19,426 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:48:19,437 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:48:19,437 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:19" (1/1) ... [2018-10-27 00:48:19,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:48:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-10-27 00:48:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-10-27 00:48:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 00:48:19,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:48:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-27 00:48:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-27 00:48:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:48:20,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:20,363 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-27 00:48:20,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:48:20 ImpRootNode [2018-10-27 00:48:20,408 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:48:20,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:48:20,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:48:20,409 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:48:20,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:19" (3/4) ... [2018-10-27 00:48:20,412 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 00:48:20,479 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a038e7f6-1823-49d8-9c78-003a00877121/bin-2019/ukojak/witness.graphml [2018-10-27 00:48:20,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:48:20,484 INFO L168 Benchmark]: Toolchain (without parser) took 1811.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:20,486 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:20,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.24 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:20,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.29 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:20,487 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:20,487 INFO L168 Benchmark]: RCFGBuilder took 445.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:20,488 INFO L168 Benchmark]: CodeCheck took 982.07 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:20,489 INFO L168 Benchmark]: Witness Printer took 74.87 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. [2018-10-27 00:48:20,496 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, 18 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 21 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/4 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 - CounterExampleResult [Line: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int g; [L26] int g = __VERIFIER_nondet_int(); [L27] int h = !g; VAL [g=0] [L28] CALL A(g,h) VAL [\old(a1)=-1, \old(a2)=0, \old(g)=0, g=0] [L17] COND TRUE \read(a1) VAL [\old(a1)=-1, \old(a2)=0, \old(g)=0, a1=-1, a2=0, g=0] [L18] CALL A(a2,a1) VAL [\old(a1)=0, \old(a2)=-1, \old(g)=0, g=0] [L17] COND FALSE !(\read(a1)) [L20] RET g = a2 VAL [\old(a1)=0, \old(a2)=-1, \old(g)=0, a1=0, a2=-1, g=-1] [L18] RET A(a2,a1) VAL [\old(a1)=-1, \old(a2)=0, \old(g)=0, A(a2,a1)=0, a1=-1, a2=0, g=-1] [L28] A(g,h) VAL [g=-1] [L29] CALL A(g,h) VAL [\old(a1)=-1, \old(a2)=0, \old(g)=-1, g=-1] [L17] COND TRUE \read(a1) VAL [\old(a1)=-1, \old(a2)=0, \old(g)=-1, a1=-1, a2=0, g=-1] [L18] CALL A(a2,a1) VAL [\old(a1)=0, \old(a2)=-1, \old(g)=-1, g=-1] [L17] COND FALSE !(\read(a1)) [L20] RET g = a2 VAL [\old(a1)=0, \old(a2)=-1, \old(g)=-1, a1=0, a2=-1, g=-1] [L18] RET A(a2,a1) VAL [\old(a1)=-1, \old(a2)=0, \old(g)=-1, A(a2,a1)=0, a1=-1, a2=0, g=-1] [L29] A(g,h) VAL [g=-1] [L30] COND TRUE \read(g) VAL [g=-1] [L31] __VERIFIER_error() VAL [g=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.24 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 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 35.29 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 445.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 982.07 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 74.87 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...