./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test30_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_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/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 dbf4229fc71e086a20df7dc549a8cc43d35a83d5 ........................................................................................................................................................................................................................... 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 11:09:15,237 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:09:15,238 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:09:15,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:09:15,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:09:15,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:09:15,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:09:15,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:09:15,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:09:15,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:09:15,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:09:15,250 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:09:15,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:09:15,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:09:15,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:09:15,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:09:15,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:09:15,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:09:15,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:09:15,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:09:15,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:09:15,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:09:15,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:09:15,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:09:15,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:09:15,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:09:15,264 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:09:15,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:09:15,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:09:15,266 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:09:15,266 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:09:15,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:09:15,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:09:15,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:09:15,268 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:09:15,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:09:15,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:09:15,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:09:15,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:09:15,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:09:15,279 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:09:15,280 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:09:15,280 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:09:15,280 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:09:15,280 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:09:15,280 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:09:15,280 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:09:15,281 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:09:15,281 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:09:15,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:09:15,282 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:09:15,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:09:15,282 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_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/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 -> dbf4229fc71e086a20df7dc549a8cc43d35a83d5 [2018-11-10 11:09:15,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:09:15,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:09:15,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:09:15,317 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:09:15,317 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:09:15,317 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c [2018-11-10 11:09:15,354 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/data/b99f0d3cb/76f8d3b4e9eb47b3a15b8d460ad76592/FLAG528194f66 [2018-11-10 11:09:15,754 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:09:15,754 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c [2018-11-10 11:09:15,758 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/data/b99f0d3cb/76f8d3b4e9eb47b3a15b8d460ad76592/FLAG528194f66 [2018-11-10 11:09:15,768 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/data/b99f0d3cb/76f8d3b4e9eb47b3a15b8d460ad76592 [2018-11-10 11:09:15,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:09:15,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:09:15,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:09:15,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:09:15,775 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:09:15,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1394c33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15, skipping insertion in model container [2018-11-10 11:09:15,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:09:15,793 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:09:15,880 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:09:15,886 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:09:15,895 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:09:15,904 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:09:15,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15 WrapperNode [2018-11-10 11:09:15,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:09:15,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:09:15,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:09:15,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:09:15,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:09:15,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:09:15,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:09:15,928 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:09:15,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... [2018-11-10 11:09:15,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:09:15,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:09:15,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:09:15,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:09:15,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/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 11:09:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 11:09:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 11:09:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 11:09:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:09:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:09:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:09:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 11:09:16,386 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:09:16,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:09:16 BoogieIcfgContainer [2018-11-10 11:09:16,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:09:16,387 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:09:16,387 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:09:16,396 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:09:16,396 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:09:16" (1/1) ... [2018-11-10 11:09:16,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:09:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:09:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 11:09:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 11:09:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 11:09:16,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:09:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:09:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:09:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:09:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:09:16,596 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 11:09:16,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:09:16 ImpRootNode [2018-11-10 11:09:16,623 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:09:16,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:09:16,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:09:16,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:09:16,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:09:16" (3/4) ... [2018-11-10 11:09:16,625 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 11:09:16,656 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43acdf1c-d5fa-45a9-91f4-9c7a46eff59d/bin-2019/ukojak/witness.graphml [2018-11-10 11:09:16,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:09:16,657 INFO L168 Benchmark]: Toolchain (without parser) took 886.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:09:16,658 INFO L168 Benchmark]: CDTParser took 0.13 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 11:09:16,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:09:16,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:09:16,660 INFO L168 Benchmark]: Boogie Preprocessor took 12.95 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:09:16,660 INFO L168 Benchmark]: RCFGBuilder took 445.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:09:16,660 INFO L168 Benchmark]: CodeCheck took 235.63 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:09:16,661 INFO L168 Benchmark]: Witness Printer took 33.56 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. [2018-11-10 11:09:16,664 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, 24 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, 3 NumberOfCodeBlocks, 3 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: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3] FCALL int a = 1, b; [L5-L7] FCALL struct dummy { int *a, *b; } global = {&a, &b}; [L21] struct dummy *pd = &global; [L23] CALL assign2(&pd->a, &pd->b) [L16] EXPR, FCALL \read(**pb) [L16] EXPR, FCALL \read(**pb) [L16] CALL assign(*pb, *pb) [L11] EXPR, FCALL \read(*pb) [L11] CALL *pa = *pb [L11] RET *pa = *pb [L16] RET assign(*pb, *pb) [L23] assign2(&pd->a, &pd->b) [L25] EXPR, FCALL \read(a) [L25] EXPR, FCALL \read(b) VAL [a={18:0}, b={17:0}, global={21:0}] [L25] COND TRUE a != b [L31] __VERIFIER_error() VAL [a={18:0}, b={17:0}, global={21:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 132.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 22.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.95 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 445.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * CodeCheck took 235.63 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Witness Printer took 33.56 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...