./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test21_false-unreach-call_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_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/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 36029c97ff36b924dec4fff6e18b89b3177e9048 ........................................................................................................................................................................................................................................... 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 07:09:37,322 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:09:37,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:09:37,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:09:37,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:09:37,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:09:37,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:09:37,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:09:37,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:09:37,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:09:37,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:09:37,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:09:37,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:09:37,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:09:37,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:09:37,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:09:37,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:09:37,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:09:37,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:09:37,344 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:09:37,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:09:37,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:09:37,347 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:09:37,347 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:09:37,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:09:37,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:09:37,349 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:09:37,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:09:37,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:09:37,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:09:37,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:09:37,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:09:37,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:09:37,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:09:37,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:09:37,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:09:37,353 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:09:37,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:09:37,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:09:37,365 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:09:37,365 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:09:37,365 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:09:37,365 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:09:37,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:09:37,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:09:37,366 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:09:37,366 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:09:37,366 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:09:37,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:09:37,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:09:37,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:09:37,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:09:37,367 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:09:37,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:09:37,367 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:09:37,367 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:09:37,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:09:37,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:09:37,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:09:37,369 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_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/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 -> 36029c97ff36b924dec4fff6e18b89b3177e9048 [2018-11-10 07:09:37,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:09:37,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:09:37,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:09:37,406 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:09:37,406 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:09:37,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test21_false-unreach-call_true-termination.c [2018-11-10 07:09:37,455 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/data/339efc6b7/b5efd984285b48db896f877fa5dccb70/FLAG8ea0002c9 [2018-11-10 07:09:37,862 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:09:37,862 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/sv-benchmarks/c/ldv-regression/test21_false-unreach-call_true-termination.c [2018-11-10 07:09:37,866 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/data/339efc6b7/b5efd984285b48db896f877fa5dccb70/FLAG8ea0002c9 [2018-11-10 07:09:37,876 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/data/339efc6b7/b5efd984285b48db896f877fa5dccb70 [2018-11-10 07:09:37,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:09:37,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:09:37,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:37,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:09:37,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:09:37,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:37" (1/1) ... [2018-11-10 07:09:37,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce791db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:37, skipping insertion in model container [2018-11-10 07:09:37,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:37" (1/1) ... [2018-11-10 07:09:37,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:09:37,904 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:09:38,006 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:38,013 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:09:38,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:38,033 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:09:38,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38 WrapperNode [2018-11-10 07:09:38,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:38,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:38,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:09:38,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:09:38,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:38,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:09:38,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:09:38,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:09:38,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:09:38,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:09:38,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:09:38,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:09:38,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/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 07:09:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 07:09:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:09:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:09:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:09:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:09:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2018-11-10 07:09:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2018-11-10 07:09:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:09:38,465 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:09:38,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:38 BoogieIcfgContainer [2018-11-10 07:09:38,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:09:38,465 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:09:38,465 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:09:38,472 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:09:38,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:38" (1/1) ... [2018-11-10 07:09:38,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:09:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 07:09:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 07:09:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:09:38,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:09:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:38,682 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:09:38,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:09:38 ImpRootNode [2018-11-10 07:09:38,711 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:09:38,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:09:38,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:09:38,711 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:09:38,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:38" (3/4) ... [2018-11-10 07:09:38,714 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 07:09:38,752 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff4ec905-9be5-40a6-8be4-7a7e58eb5b83/bin-2019/ukojak/witness.graphml [2018-11-10 07:09:38,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:09:38,753 INFO L168 Benchmark]: Toolchain (without parser) took 874.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:38,755 INFO L168 Benchmark]: CDTParser took 0.15 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 07:09:38,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:38,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.23 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:38,756 INFO L168 Benchmark]: Boogie Preprocessor took 12.49 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:38,756 INFO L168 Benchmark]: RCFGBuilder took 396.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:38,757 INFO L168 Benchmark]: CodeCheck took 245.26 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: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:38,757 INFO L168 Benchmark]: Witness Printer took 41.75 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:38,760 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, 37 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] FCALL struct dummy d1, d2; [L32] CALL init() [L13] FCALL d1.a = __VERIFIER_nondet_int() [L14] FCALL d1.b = __VERIFIER_nondet_int() [L16] FCALL d2.a = __VERIFIER_nondet_int() [L17] RET, FCALL d2.b = __VERIFIER_nondet_int() [L32] init() [L33] CALL, EXPR get_dummy() VAL [d1={2:0}, d2={9:0}] [L22] COND FALSE, EXPR !(__VERIFIER_nondet_bool() ? &d1 : &d2) [L22] RET return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] EXPR get_dummy() VAL [d1={2:0}, d2={9:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={2:0}, d2={9:0}] [L22] COND FALSE, EXPR !(__VERIFIER_nondet_bool() ? &d1 : &d2) [L22] RET return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] EXPR get_dummy() VAL [d1={2:0}, d2={9:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] COND TRUE pd1 != 0 && pd1 == pd2 [L35] CALL, EXPR check(pd1, pd2) [L27] EXPR, FCALL s1->a [L27] EXPR, FCALL s2->b [L27] RET return s1->a == s2->b; [L35] EXPR check(pd1, pd2) [L35] COND TRUE !check(pd1, pd2) [L42] __VERIFIER_error() VAL [d1={2:0}, d2={9:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.23 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.49 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 396.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 245.26 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: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.75 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...