./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/bubble_sort_false-unreach-call.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_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/bubble_sort_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/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 6c384f7a6c7ac4b51f51fdae23487764a8637ce9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:33:02,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:33:02,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:33:02,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:33:02,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:33:02,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:33:02,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:33:02,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:33:02,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:33:02,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:33:02,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:33:02,213 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:33:02,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:33:02,214 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:33:02,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:33:02,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:33:02,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:33:02,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:33:02,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:33:02,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:33:02,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:33:02,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:33:02,223 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:33:02,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:33:02,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:33:02,224 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:33:02,225 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:33:02,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:33:02,226 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:33:02,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:33:02,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:33:02,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:33:02,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:33:02,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:33:02,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:33:02,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:33:02,229 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:33:02,240 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:33:02,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:33:02,241 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:33:02,241 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:33:02,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:33:02,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:33:02,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:33:02,242 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:33:02,242 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:33:02,242 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:33:02,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:33:02,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:33:02,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:33:02,243 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:33:02,243 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:33:02,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:33:02,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:33:02,243 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:33:02,244 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:33:02,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:33:02,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:33:02,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:33:02,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:33:02,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:33:02,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:33:02,245 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:33:02,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:33:02,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:33:02,245 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_40fc4a04-a270-457c-be6e-f736976449d8/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 -> 6c384f7a6c7ac4b51f51fdae23487764a8637ce9 [2018-11-10 12:33:02,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:33:02,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:33:02,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:33:02,281 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:33:02,281 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:33:02,282 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/../../sv-benchmarks/c/loops/bubble_sort_false-unreach-call.i [2018-11-10 12:33:02,323 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/data/987a79e7b/bd9ed6f226404f638f9977945780f7d0/FLAGc2d9d6f5c [2018-11-10 12:33:02,696 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:33:02,696 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/sv-benchmarks/c/loops/bubble_sort_false-unreach-call.i [2018-11-10 12:33:02,702 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/data/987a79e7b/bd9ed6f226404f638f9977945780f7d0/FLAGc2d9d6f5c [2018-11-10 12:33:02,714 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/data/987a79e7b/bd9ed6f226404f638f9977945780f7d0 [2018-11-10 12:33:02,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:33:02,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:33:02,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:33:02,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:33:02,721 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:33:02,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:02,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02, skipping insertion in model container [2018-11-10 12:33:02,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:02,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:33:02,766 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:33:02,928 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:33:02,935 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:33:02,979 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:33:02,990 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:33:02,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02 WrapperNode [2018-11-10 12:33:02,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:33:02,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:33:02,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:33:02,991 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:33:02,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:33:03,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:33:03,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:33:03,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:33:03,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... [2018-11-10 12:33:03,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:33:03,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:33:03,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:33:03,103 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:33:03,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/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 12:33:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 12:33:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:33:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 12:33:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-10 12:33:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-10 12:33:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-10 12:33:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-10 12:33:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-10 12:33:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-10 12:33:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:33:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:33:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-10 12:33:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-10 12:33:04,234 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:33:04,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:33:04 BoogieIcfgContainer [2018-11-10 12:33:04,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:33:04,235 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:33:04,235 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:33:04,242 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:33:04,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:33:04" (1/1) ... [2018-11-10 12:33:04,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:33:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:33:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 115 states and 184 transitions. [2018-11-10 12:33:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2018-11-10 12:33:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:33:04,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:33:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:33:04,371 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 12:33:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:33:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 115 states and 179 transitions. [2018-11-10 12:33:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 179 transitions. [2018-11-10 12:33:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:33:04,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:33:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:33:04,543 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 12:33:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:33:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 119 states and 184 transitions. [2018-11-10 12:33:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2018-11-10 12:33:04,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:33:04,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:33:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:07,653 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-10 12:33:07,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:33:07 ImpRootNode [2018-11-10 12:33:07,692 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:33:07,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:33:07,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:33:07,693 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:33:07,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:33:04" (3/4) ... [2018-11-10 12:33:07,695 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:33:07,778 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_40fc4a04-a270-457c-be6e-f736976449d8/bin-2019/ukojak/witness.graphml [2018-11-10 12:33:07,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:33:07,779 INFO L168 Benchmark]: Toolchain (without parser) took 5062.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 958.1 MB in the beginning and 890.6 MB in the end (delta: 67.4 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,780 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:33:07,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.25 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -220.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,781 INFO L168 Benchmark]: Boogie Preprocessor took 37.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,781 INFO L168 Benchmark]: RCFGBuilder took 1131.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 981.0 MB in the end (delta: 170.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,781 INFO L168 Benchmark]: CodeCheck took 3457.26 ms. Allocated memory is still 1.2 GB. Free memory was 981.0 MB in the beginning and 900.8 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,782 INFO L168 Benchmark]: Witness Printer took 85.99 ms. Allocated memory is still 1.2 GB. Free memory was 900.8 MB in the beginning and 890.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:07,786 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 5 procedures, 212 locations, 1 error locations. UNSAFE Result, 3.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 108 SDtfs, 28 SDslu, 32 SDs, 0 SdLazy, 36 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 801 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: 35]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L35] FCALL "0" [L35] FCALL "test-0180.c" [L41] FCALL struct list_head gl_list = {& gl_list, & gl_list}; [L824] struct list_head const *__cil_tmp1 ; [L825] struct list_head const *__cil_tmp2 ; [L828] CALL gl_read() [L665] int tmp ; [L666] int tmp___0 ; VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L669] COND TRUE 1 [L672] tmp = __VERIFIER_nondet_int() [L673] CALL gl_insert(tmp) [L611] struct node *node ; [L612] void *tmp ; [L613] unsigned int __cil_tmp4 ; [L614] unsigned int __cil_tmp5 ; [L615] unsigned int __cil_tmp6 ; [L616] struct list_head *__cil_tmp7 ; [L617] unsigned int __cil_tmp8 ; [L618] unsigned int __cil_tmp9 ; [L619] unsigned int __cil_tmp10 ; [L620] unsigned int __cil_tmp11 ; [L621] unsigned int __cil_tmp12 ; [L622] unsigned int __cil_tmp13 ; [L623] unsigned int __cil_tmp14 ; [L624] unsigned int __cil_tmp15 ; [L627] __cil_tmp4 = (unsigned int )20UL [L628] EXPR, FCALL malloc(__cil_tmp4) [L628] tmp = malloc(__cil_tmp4) [L629] node = (struct node *)tmp [L631] COND FALSE !(! node) [L638] CALL *((int *)node) = value [L638] RET *((int *)node) = value [L639] __cil_tmp5 = (unsigned int )node [L640] __cil_tmp6 = __cil_tmp5 + 4 [L641] __cil_tmp7 = (struct list_head *)__cil_tmp6 VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L642] CALL list_add(__cil_tmp7, & gl_list) VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L584] struct list_head *__cil_tmp3 ; [L587] EXPR, FCALL \read(*head) [L587] __cil_tmp3 = *((struct list_head **)head) [L588] CALL __list_add(new, head, __cil_tmp3) [L556] unsigned int __cil_tmp4 ; [L557] unsigned int __cil_tmp5 ; [L558] unsigned int __cil_tmp6 ; [L559] unsigned int __cil_tmp7 ; [L561] __cil_tmp4 = (unsigned int )next [L562] __cil_tmp5 = __cil_tmp4 + 4 [L563] FCALL *((struct list_head **)__cil_tmp5) = new [L564] FCALL *((struct list_head **)new) = next [L565] __cil_tmp6 = (unsigned int )new [L566] __cil_tmp7 = __cil_tmp6 + 4 [L567] FCALL *((struct list_head **)__cil_tmp7) = prev [L568] RET, FCALL *((struct list_head **)prev) = new [L588] RET __list_add(new, head, __cil_tmp3) [L642] list_add(__cil_tmp7, & gl_list) VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L645] COND TRUE 1 [L647] __cil_tmp8 = (unsigned int )node [L648] __cil_tmp9 = __cil_tmp8 + 12 [L649] __cil_tmp10 = (unsigned int )node [L650] __cil_tmp11 = __cil_tmp10 + 12 [L651] FCALL *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 [L652] __cil_tmp12 = (unsigned int )node [L653] __cil_tmp13 = __cil_tmp12 + 12 [L654] __cil_tmp14 = (unsigned int )node [L655] __cil_tmp15 = __cil_tmp14 + 12 [L656] RET, FCALL *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 [L673] gl_insert(tmp) [L674] tmp___0 = __VERIFIER_nondet_int() [L676] COND FALSE, RET !(\read(tmp___0)) VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L828] gl_read() [L829] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L830] CALL inspect(__cil_tmp1) VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}, head={-8589934601:0}] [L44] struct node const *node ; [L45] unsigned int __cil_tmp3 ; [L46] struct list_head *__cil_tmp4 ; [L47] unsigned int __cil_tmp5 ; [L48] int __cil_tmp6 ; [L49] unsigned int __cil_tmp7 ; [L50] unsigned int __cil_tmp8 ; [L51] unsigned int __cil_tmp9 ; [L52] struct list_head *__cil_tmp10 ; [L53] unsigned int __cil_tmp11 ; [L54] int __cil_tmp12 ; [L55] unsigned int __cil_tmp13 ; [L56] unsigned int __cil_tmp14 ; [L57] struct list_head *__cil_tmp15 ; [L58] unsigned int __cil_tmp16 ; [L59] struct list_head *__cil_tmp17 ; [L60] unsigned int __cil_tmp18 ; [L61] int __cil_tmp19 ; [L62] unsigned int __cil_tmp20 ; [L63] unsigned int __cil_tmp21 ; [L64] unsigned int __cil_tmp22 ; [L65] struct list_head *__cil_tmp23 ; [L66] unsigned int __cil_tmp24 ; [L67] int __cil_tmp25 ; [L68] struct node *__cil_tmp26 ; [L69] unsigned int __cil_tmp27 ; [L70] unsigned int __cil_tmp28 ; [L71] struct list_head *__cil_tmp29 ; [L72] unsigned long __cil_tmp30 ; [L73] char *__cil_tmp31 ; [L74] char *__cil_tmp32 ; [L75] struct node *__cil_tmp33 ; [L76] unsigned int __cil_tmp34 ; [L77] unsigned int __cil_tmp35 ; [L78] struct list_head const *__cil_tmp36 ; [L79] unsigned int __cil_tmp37 ; [L80] unsigned int __cil_tmp38 ; [L81] unsigned int __cil_tmp39 ; [L82] struct list_head *__cil_tmp40 ; [L83] unsigned int __cil_tmp41 ; [L84] int __cil_tmp42 ; [L85] unsigned int __cil_tmp43 ; [L86] unsigned int __cil_tmp44 ; [L87] struct list_head const *__cil_tmp45 ; [L88] unsigned int __cil_tmp46 ; [L89] unsigned int __cil_tmp47 ; [L90] unsigned int __cil_tmp48 ; [L91] unsigned int __cil_tmp49 ; [L92] struct list_head *__cil_tmp50 ; [L93] unsigned int __cil_tmp51 ; [L94] int __cil_tmp52 ; [L95] unsigned int __cil_tmp53 ; [L96] unsigned int __cil_tmp54 ; [L97] struct list_head const *__cil_tmp55 ; [L98] unsigned int __cil_tmp56 ; [L99] unsigned int __cil_tmp57 ; [L100] unsigned int __cil_tmp58 ; [L101] struct list_head *__cil_tmp59 ; [L102] unsigned int __cil_tmp60 ; [L103] int __cil_tmp61 ; [L104] unsigned int __cil_tmp62 ; [L105] unsigned int __cil_tmp63 ; [L106] struct list_head const *__cil_tmp64 ; [L107] unsigned int __cil_tmp65 ; [L108] unsigned int __cil_tmp66 ; [L109] unsigned int __cil_tmp67 ; [L110] unsigned int __cil_tmp68 ; [L111] struct list_head *__cil_tmp69 ; [L112] unsigned int __cil_tmp70 ; [L113] int __cil_tmp71 ; [L114] struct node const *__cil_tmp72 ; [L115] unsigned int __cil_tmp73 ; [L116] unsigned int __cil_tmp74 ; [L117] int __cil_tmp75 ; [L118] unsigned int __cil_tmp76 ; [L119] unsigned int __cil_tmp77 ; [L120] struct list_head const *__cil_tmp78 ; [L121] struct node const *__cil_tmp79 ; [L122] unsigned int __cil_tmp80 ; [L123] unsigned int __cil_tmp81 ; [L124] int __cil_tmp82 ; [L125] int const *__cil_tmp83 ; [L126] struct node const *__cil_tmp84 ; [L127] unsigned int __cil_tmp85 ; [L128] unsigned int __cil_tmp86 ; [L129] int __cil_tmp87 ; [L130] unsigned int __cil_tmp88 ; [L131] unsigned int __cil_tmp89 ; [L132] struct list_head *__cil_tmp90 ; [L133] unsigned int __cil_tmp91 ; [L134] unsigned int __cil_tmp92 ; [L135] struct list_head *__cil_tmp93 ; [L136] unsigned int __cil_tmp94 ; [L137] unsigned int __cil_tmp95 ; [L138] int __cil_tmp96 ; [L139] unsigned int __cil_tmp97 ; [L140] unsigned int __cil_tmp98 ; [L141] unsigned int __cil_tmp99 ; [L142] struct list_head *__cil_tmp100 ; [L143] struct list_head *__cil_tmp101 ; [L144] unsigned int __cil_tmp102 ; [L145] unsigned int __cil_tmp103 ; [L146] int __cil_tmp104 ; [L147] struct list_head *__cil_tmp105 ; [L148] unsigned int __cil_tmp106 ; [L149] unsigned int __cil_tmp107 ; [L150] unsigned int __cil_tmp108 ; [L151] struct list_head const *__cil_tmp109 ; [L152] unsigned int __cil_tmp110 ; [L153] struct list_head *__cil_tmp111 ; [L154] unsigned int __cil_tmp112 ; [L155] struct node *__cil_tmp113 ; [L156] unsigned int __cil_tmp114 ; [L157] unsigned int __cil_tmp115 ; [L158] struct list_head *__cil_tmp116 ; [L159] unsigned long __cil_tmp117 ; [L160] char *__cil_tmp118 ; [L161] char *__cil_tmp119 ; [L162] struct node *__cil_tmp120 ; [L163] unsigned int __cil_tmp121 ; [L164] int __cil_tmp122 ; VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}, head={-8589934601:0}, head={-8589934601:0}] [L168] COND TRUE 1 VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}, head={-8589934601:0}, head={-8589934601:0}] [L170] COND FALSE !(! head) VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}, head={-8589934601:0}, head={-8589934601:0}] [L181] COND TRUE 1 [L184] __cil_tmp3 = (unsigned int )head [L185] EXPR, FCALL \read(*head) [L185] __cil_tmp4 = *((struct list_head * const *)head) [L186] __cil_tmp5 = (unsigned int )__cil_tmp4 [L187] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 VAL ["0"={14:0}, "test-0180.c"={15:0}, __cil_tmp3=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, __cil_tmp6=0, gl_list={-8589934601:0}, head={-8589934601:0}, head={-8589934601:0}] [L188] COND TRUE ! __cil_tmp6 VAL ["0"={14:0}, "test-0180.c"={15:0}, __cil_tmp3=4294967287, __cil_tmp4={0:-9}, __cil_tmp5=4294967287, __cil_tmp6=0, gl_list={-8589934601:0}, head={-8589934601:0}, head={-8589934601:0}] [L190] CALL fail() VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] [L35] __VERIFIER_error() VAL ["0"={14:0}, "test-0180.c"={15:0}, gl_list={-8589934601:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.25 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 933.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 933.9 MB in the beginning and 1.2 GB in the end (delta: -220.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1131.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 981.0 MB in the end (delta: 170.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3457.26 ms. Allocated memory is still 1.2 GB. Free memory was 981.0 MB in the beginning and 900.8 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. * Witness Printer took 85.99 ms. Allocated memory is still 1.2 GB. Free memory was 900.8 MB in the beginning and 890.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...