./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/rule60_list_true-termination.c_true-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_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list_true-termination.c_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/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 99300654c640d2c4f7b9514479be090401414cf7 ......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:56:08,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:56:08,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:56:08,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:56:08,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:56:08,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:56:08,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:56:08,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:56:08,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:56:08,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:56:08,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:56:08,425 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:56:08,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:56:08,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:56:08,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:56:08,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:56:08,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:56:08,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:56:08,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:56:08,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:56:08,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:56:08,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:56:08,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:56:08,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:56:08,435 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:56:08,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:56:08,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:56:08,437 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:56:08,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:56:08,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:56:08,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:56:08,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:56:08,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:56:08,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:56:08,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:56:08,440 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:56:08,440 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:56:08,450 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:56:08,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:56:08,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:56:08,451 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:56:08,452 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:56:08,452 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:56:08,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:56:08,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:56:08,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:56:08,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:56:08,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:56:08,453 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:56:08,454 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:56:08,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:56:08,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:56:08,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:56:08,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:56:08,454 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:56:08,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:56:08,455 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:56:08,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:56:08,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:56:08,455 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_8c2b795c-4b9d-4503-83b1-a6f791273a99/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 -> 99300654c640d2c4f7b9514479be090401414cf7 [2018-11-10 11:56:08,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:56:08,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:56:08,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:56:08,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:56:08,488 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:56:08,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/rule60_list_true-termination.c_true-unreach-call.i [2018-11-10 11:56:08,527 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/data/914739a79/d81b89ca5e9140448530c7c040848fdc/FLAGe17bbf29d [2018-11-10 11:56:08,871 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:56:08,872 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/sv-benchmarks/c/ldv-regression/rule60_list_true-termination.c_true-unreach-call.i [2018-11-10 11:56:08,879 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/data/914739a79/d81b89ca5e9140448530c7c040848fdc/FLAGe17bbf29d [2018-11-10 11:56:08,887 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/data/914739a79/d81b89ca5e9140448530c7c040848fdc [2018-11-10 11:56:08,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:56:08,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:56:08,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:56:08,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:56:08,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:56:08,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:56:08" (1/1) ... [2018-11-10 11:56:08,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b85bc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:08, skipping insertion in model container [2018-11-10 11:56:08,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:56:08" (1/1) ... [2018-11-10 11:56:08,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:56:08,926 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:56:09,089 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:56:09,095 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:56:09,119 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:56:09,159 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:56:09,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09 WrapperNode [2018-11-10 11:56:09,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:56:09,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:56:09,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:56:09,161 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:56:09,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:56:09,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:56:09,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:56:09,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:56:09,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:56:09,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:56:09,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:56:09,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:56:09,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:56:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/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 11:56:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:56:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 11:56:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 11:56:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 11:56:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-10 11:56:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-10 11:56:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-10 11:56:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-10 11:56:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:56:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:56:09,662 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:56:09,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:56:09 BoogieIcfgContainer [2018-11-10 11:56:09,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:56:09,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:56:09,663 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:56:09,670 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:56:09,670 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:56:09" (1/1) ... [2018-11-10 11:56:09,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:56:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:56:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-10 11:56:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-10 11:56:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:56:09,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:56:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:09,926 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 11:56:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:56:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 22 transitions. [2018-11-10 11:56:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-11-10 11:56:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:56:10,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:56:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:10,142 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 11:56:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:56:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 20 transitions. [2018-11-10 11:56:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 11:56:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 11:56:10,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:56:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:56:10,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:56:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:56:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 13 states and 14 transitions. [2018-11-10 11:56:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-10 11:56:10,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:56:10,513 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 11:56:10,520 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:56:10,551 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:56:10,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:56:10 ImpRootNode [2018-11-10 11:56:10,553 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:56:10,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:56:10,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:56:10,553 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:56:10,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:56:09" (3/4) ... [2018-11-10 11:56:10,556 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:56:10,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2018-11-10 11:56:10,560 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-10 11:56:10,563 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-10 11:56:10,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 11:56:10,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:56:10,593 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c2b795c-4b9d-4503-83b1-a6f791273a99/bin-2019/ukojak/witness.graphml [2018-11-10 11:56:10,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:56:10,594 INFO L168 Benchmark]: Toolchain (without parser) took 1704.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.5 MB in the beginning and 985.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:10,595 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:56:10,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.59 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:10,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -212.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:10,596 INFO L168 Benchmark]: Boogie Preprocessor took 16.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:56:10,596 INFO L168 Benchmark]: RCFGBuilder took 408.48 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:10,597 INFO L168 Benchmark]: CodeCheck took 890.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.9 MB in the end (delta: 122.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:56:10,597 INFO L168 Benchmark]: Witness Printer took 40.10 ms. Allocated memory is still 1.2 GB. Free memory is still 985.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:56:10,599 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 3 procedures, 35 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 16 SDslu, 12 SDs, 0 SdLazy, 218 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 246 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.59 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 929.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -212.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 408.48 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * CodeCheck took 890.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.9 MB in the end (delta: 122.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. * Witness Printer took 40.10 ms. Allocated memory is still 1.2 GB. Free memory is still 985.9 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...