./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c --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_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/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 128b2219e8f86913777da69c49be5957c6dd8c80 ..................................................................................................................................................................................................................................... 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 11:52:20,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:52:20,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:52:20,980 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:52:20,981 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:52:20,981 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:52:20,982 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:52:20,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:52:20,983 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:52:20,984 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:52:20,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:52:20,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:52:20,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:52:20,985 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:52:20,986 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:52:20,986 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:52:20,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:52:20,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:52:20,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:52:20,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:52:20,990 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:52:20,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:52:20,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:52:20,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:52:20,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:52:20,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:52:20,993 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:52:20,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:52:20,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:52:20,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:52:20,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:52:20,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:52:20,995 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:52:20,995 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:52:20,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:52:20,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:52:20,996 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 11:52:21,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:52:21,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:52:21,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:52:21,004 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:52:21,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:52:21,004 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:52:21,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:52:21,005 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:52:21,006 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:52:21,006 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:52:21,006 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:52:21,006 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:52:21,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:52:21,007 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_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/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 -> 128b2219e8f86913777da69c49be5957c6dd8c80 [2018-12-09 11:52:21,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:52:21,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:52:21,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:52:21,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:52:21,034 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:52:21,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c [2018-12-09 11:52:21,074 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/data/2faefc530/9b5201d5fb4349d295c9d32130c909df/FLAGb43cd9e6d [2018-12-09 11:52:21,469 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:52:21,470 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c [2018-12-09 11:52:21,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/data/2faefc530/9b5201d5fb4349d295c9d32130c909df/FLAGb43cd9e6d [2018-12-09 11:52:21,481 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/data/2faefc530/9b5201d5fb4349d295c9d32130c909df [2018-12-09 11:52:21,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:52:21,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:52:21,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:52:21,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:52:21,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:52:21,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359bc049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21, skipping insertion in model container [2018-12-09 11:52:21,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:52:21,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:52:21,581 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:52:21,583 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:52:21,591 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:52:21,599 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:52:21,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21 WrapperNode [2018-12-09 11:52:21,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:52:21,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:52:21,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:52:21,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:52:21,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:52:21,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:52:21,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:52:21,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:52:21,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:52:21,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:52:21,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:52:21,627 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:52:21,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:52:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/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 11:52:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:52:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:52:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-12-09 11:52:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-12-09 11:52:21,784 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:52:21,784 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 11:52:21,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:52:21 BoogieIcfgContainer [2018-12-09 11:52:21,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:52:21,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:52:21,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:52:21,792 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:52:21,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:52:21" (1/1) ... [2018-12-09 11:52:21,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:52:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-09 11:52:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-09 11:52:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:52:21,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:21,955 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 11:52:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-12-09 11:52:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-09 11:52:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 11:52:22,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 11:52:22,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-12-09 11:52:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-12-09 11:52:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:52:22,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 11:52:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2018-12-09 11:52:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-12-09 11:52:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 11:52:22,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:52:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2018-12-09 11:52:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-12-09 11:52:23,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:52:23,031 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-09 11:52:23,037 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 11:52:23,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:52:23 ImpRootNode [2018-12-09 11:52:23,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:52:23,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:52:23,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:52:23,118 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:52:23,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:52:21" (3/4) ... [2018-12-09 11:52:23,121 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:52:23,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-12-09 11:52:23,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 11:52:23,128 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:52:23,152 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_36ed4d0a-cbc7-4569-94dc-7b9669a81ce0/bin-2019/ukojak/witness.graphml [2018-12-09 11:52:23,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:52:23,153 INFO L168 Benchmark]: Toolchain (without parser) took 1669.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.0 MB in the beginning and 802.9 MB in the end (delta: 153.1 MB). Peak memory consumption was 254.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:52:23,154 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:52:23,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.19 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:52:23,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.65 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:52:23,154 INFO L168 Benchmark]: Boogie Preprocessor took 9.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:52:23,154 INFO L168 Benchmark]: RCFGBuilder took 157.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:52:23,155 INFO L168 Benchmark]: CodeCheck took 1333.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 810.0 MB in the end (delta: 270.2 MB). Peak memory consumption was 270.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:52:23,155 INFO L168 Benchmark]: Witness Printer took 34.38 ms. Allocated memory is still 1.1 GB. Free memory was 810.0 MB in the beginning and 802.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:52:23,157 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, 16 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 112 SDtfs, 44 SDslu, 72 SDs, 0 SdLazy, 368 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 407 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 4284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 39/48 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: 15]: 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.19 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 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 17.65 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 157.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1333.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 810.0 MB in the end (delta: 270.2 MB). Peak memory consumption was 270.2 MB. Max. memory is 11.5 GB. * Witness Printer took 34.38 ms. Allocated memory is still 1.1 GB. Free memory was 810.0 MB in the beginning and 802.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...