./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/css2003_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/css2003_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/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 88d33ff91b99a769018021c2f8754b39298cafbb ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:44:19,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:44:19,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:44:19,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:44:19,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:44:19,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:44:19,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:44:19,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:44:19,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:44:19,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:44:19,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:44:19,999 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:44:20,000 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:44:20,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:44:20,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:44:20,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:44:20,002 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:44:20,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:44:20,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:44:20,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:44:20,005 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:44:20,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:44:20,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:44:20,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:44:20,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:44:20,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:44:20,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:44:20,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:44:20,010 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:44:20,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:44:20,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:44:20,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:44:20,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:44:20,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:44:20,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:44:20,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:44:20,012 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 10:44:20,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:44:20,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:44:20,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:44:20,021 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:44:20,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:44:20,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:44:20,022 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:44:20,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:44:20,023 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:44:20,023 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:44:20,023 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:44:20,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:44:20,023 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:44:20,023 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:44:20,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:44:20,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:44:20,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:44:20,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:44:20,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:44:20,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:44:20,024 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 10:44:20,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:44:20,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:44:20,024 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_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/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 -> 88d33ff91b99a769018021c2f8754b39298cafbb [2018-12-09 10:44:20,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:44:20,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:44:20,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:44:20,052 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:44:20,052 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:44:20,052 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-12-09 10:44:20,087 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/data/73e605492/943a9a8196154ddbbf8db25d9745c8a5/FLAG0859be87b [2018-12-09 10:44:20,418 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:44:20,419 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/sv-benchmarks/c/loop-lit/css2003_true-unreach-call_true-termination.c.i [2018-12-09 10:44:20,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/data/73e605492/943a9a8196154ddbbf8db25d9745c8a5/FLAG0859be87b [2018-12-09 10:44:20,812 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/data/73e605492/943a9a8196154ddbbf8db25d9745c8a5 [2018-12-09 10:44:20,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:44:20,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:44:20,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:44:20,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:44:20,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:44:20,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd63051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20, skipping insertion in model container [2018-12-09 10:44:20,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:44:20,831 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:44:20,913 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:44:20,915 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:44:20,924 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:44:20,931 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:44:20,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20 WrapperNode [2018-12-09 10:44:20,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:44:20,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:44:20,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:44:20,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:44:20,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:44:20,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:44:20,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:44:20,950 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:44:20,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... [2018-12-09 10:44:20,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:44:20,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:44:20,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:44:20,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:44:20,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:44:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/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 [2018-12-09 10:44:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:44:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:44:21,101 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:44:21,101 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 10:44:21,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:44:21 BoogieIcfgContainer [2018-12-09 10:44:21,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:44:21,102 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:44:21,102 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:44:21,109 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:44:21,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:44:21" (1/1) ... [2018-12-09 10:44:21,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:44:21,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:44:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-12-09 10:44:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-12-09 10:44:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 10:44:21,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:44:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:44:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:44:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:44:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2018-12-09 10:44:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2018-12-09 10:44:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 10:44:21,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:44:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:44:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:44:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:44:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-12-09 10:44:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-12-09 10:44:21,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:44:21,533 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-09 10:44:21,539 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 10:44:21,559 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:44:21,561 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 10:44:21,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:44:21 ImpRootNode [2018-12-09 10:44:21,565 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:44:21,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:44:21,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:44:21,566 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:44:21,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:44:21" (3/4) ... [2018-12-09 10:44:21,568 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:44:21,574 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 10:44:21,574 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:44:21,599 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3bbf047e-6f88-42b6-a8bb-9d8b2121aa90/bin-2019/ukojak/witness.graphml [2018-12-09 10:44:21,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:44:21,600 INFO L168 Benchmark]: Toolchain (without parser) took 785.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -73.6 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:44:21,601 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:44:21,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:44:21,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.89 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:44:21,601 INFO L168 Benchmark]: Boogie Preprocessor took 10.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.8 MB in the beginning and 944.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:44:21,602 INFO L168 Benchmark]: RCFGBuilder took 140.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:44:21,602 INFO L168 Benchmark]: CodeCheck took 463.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:44:21,603 INFO L168 Benchmark]: Witness Printer took 33.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:44:21,604 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, 10 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 2 SDslu, 4 SDs, 0 SdLazy, 50 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 87 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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: 5]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (1 <= i && 1 <= i + k) && i + k <= 2 * 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 117.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.89 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.8 MB in the beginning and 944.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 140.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * CodeCheck took 463.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...