./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/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 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:23:06,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:23:06,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:23:07,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:23:07,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:23:07,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:23:07,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:23:07,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:23:07,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:23:07,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:23:07,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:23:07,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:23:07,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:23:07,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:23:07,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:23:07,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:23:07,011 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:23:07,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:23:07,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:23:07,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:23:07,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:23:07,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:23:07,017 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:23:07,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:23:07,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:23:07,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:23:07,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:23:07,019 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:23:07,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:23:07,020 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:23:07,020 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:23:07,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:23:07,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:23:07,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:23:07,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:23:07,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:23:07,021 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:23:07,029 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:23:07,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:23:07,030 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:23:07,030 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:23:07,030 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:23:07,031 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:23:07,031 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:23:07,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:23:07,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:23:07,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:23:07,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:23:07,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:23:07,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:23:07,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:23:07,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:23:07,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:23:07,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:23:07,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:23:07,032 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:23:07,033 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:23:07,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:23:07,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:23:07,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:23:07,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:23:07,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:23:07,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:23:07,033 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:23:07,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:23:07,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:23:07,034 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_89fc7646-3f01-4038-ac42-0a0a94beec63/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 -> 946ca263ceeb3f3c46f4e6e15a44f3d7052d43ca [2018-11-23 05:23:07,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:23:07,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:23:07,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:23:07,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:23:07,072 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:23:07,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_i15_o15_true-unreach-call_true-termination.c [2018-11-23 05:23:07,119 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/data/6d55bc37f/3dfcdb83531a4f6c99f588919451c7fc/FLAGde622443a [2018-11-23 05:23:07,448 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:23:07,449 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/sv-benchmarks/c/recursive-simple/id_i15_o15_true-unreach-call_true-termination.c [2018-11-23 05:23:07,454 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/data/6d55bc37f/3dfcdb83531a4f6c99f588919451c7fc/FLAGde622443a [2018-11-23 05:23:07,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/data/6d55bc37f/3dfcdb83531a4f6c99f588919451c7fc [2018-11-23 05:23:07,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:23:07,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:23:07,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:23:07,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:23:07,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:23:07,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:07" (1/1) ... [2018-11-23 05:23:07,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bb9761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:07, skipping insertion in model container [2018-11-23 05:23:07,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:07" (1/1) ... [2018-11-23 05:23:07,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:23:07,905 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:23:08,005 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:23:08,007 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:23:08,017 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:23:08,027 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:23:08,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08 WrapperNode [2018-11-23 05:23:08,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:23:08,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:23:08,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:23:08,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:23:08,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:23:08,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:23:08,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:23:08,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:23:08,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:23:08,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:23:08,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:23:08,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:23:08,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/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 [2018-11-23 05:23:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:23:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:23:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-23 05:23:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-23 05:23:08,210 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:23:08,210 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 05:23:08,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:08 BoogieIcfgContainer [2018-11-23 05:23:08,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:23:08,211 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:23:08,211 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:23:08,219 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:23:08,219 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:08" (1/1) ... [2018-11-23 05:23:08,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:23:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-23 05:23:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-23 05:23:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:23:08,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:23:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2018-11-23 05:23:08,439 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-23 05:23:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 05:23:08,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 05:23:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2018-11-23 05:23:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-23 05:23:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:23:08,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 05:23:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2018-11-23 05:23:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-23 05:23:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 05:23:08,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 05:23:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2018-11-23 05:23:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-11-23 05:23:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 05:23:08,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 05:23:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2018-11-23 05:23:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-11-23 05:23:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 05:23:09,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 05:23:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2018-11-23 05:23:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-11-23 05:23:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 05:23:09,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 05:23:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2018-11-23 05:23:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2018-11-23 05:23:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 05:23:09,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 05:23:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2018-11-23 05:23:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2018-11-23 05:23:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 05:23:09,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 05:23:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2018-11-23 05:23:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2018-11-23 05:23:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 05:23:09,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 05:23:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2018-11-23 05:23:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2018-11-23 05:23:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 05:23:09,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-23 05:23:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2018-11-23 05:23:10,071 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2018-11-23 05:23:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 05:23:10,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-23 05:23:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2018-11-23 05:23:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2018-11-23 05:23:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 05:23:10,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-23 05:23:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2018-11-23 05:23:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2018-11-23 05:23:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 05:23:10,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-23 05:23:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2018-11-23 05:23:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2018-11-23 05:23:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 05:23:10,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-11-23 05:23:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 58 states and 179 transitions. [2018-11-23 05:23:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2018-11-23 05:23:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 05:23:10,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-23 05:23:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 107 states and 469 transitions. [2018-11-23 05:23:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 469 transitions. [2018-11-23 05:23:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 05:23:19,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 392 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-23 05:23:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 59 states and 61 transitions. [2018-11-23 05:23:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-11-23 05:23:22,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:23:22,266 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2018-11-23 05:23:22,272 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:23:22,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:23:22 ImpRootNode [2018-11-23 05:23:22,535 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:23:22,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:23:22,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:23:22,536 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:23:22,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:23:08" (3/4) ... [2018-11-23 05:23:22,540 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:23:22,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-11-23 05:23:22,548 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 05:23:22,548 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:23:22,573 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89fc7646-3f01-4038-ac42-0a0a94beec63/bin-2019/ukojak/witness.graphml [2018-11-23 05:23:22,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:23:22,574 INFO L168 Benchmark]: Toolchain (without parser) took 14693.81 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 361.2 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -232.4 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:23:22,575 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. [2018-11-23 05:23:22,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.09 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:23:22,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:23:22,576 INFO L168 Benchmark]: Boogie Preprocessor took 9.40 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:23:22,576 INFO L168 Benchmark]: RCFGBuilder took 155.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:23:22,577 INFO L168 Benchmark]: CodeCheck took 14324.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.5 MB). Peak memory consumption was 158.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:23:22,577 INFO L168 Benchmark]: Witness Printer took 37.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 604.2 kB). Peak memory consumption was 604.2 kB. Max. memory is 11.5 GB. [2018-11-23 05:23:22,580 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. SAFE Result, 14.0s OverallTime, 18 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 917512 SDtfs, 852076 SDslu, 1376464 SDs, 0 SdLazy, 3938262 SolverSat, 788534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15716 GetRequests, 14839 SyntacticMatches, 597 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30959 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 189584 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 2704/4624 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: 13]: 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 * 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 146.09 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 17.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.40 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * CodeCheck took 14324.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.5 MB). Peak memory consumption was 158.5 MB. Max. memory is 11.5 GB. * Witness Printer took 37.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 604.2 kB). Peak memory consumption was 604.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...