./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/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 041ac1710be6e1a9f4a6c44510c9851574d3d115 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:07:47,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:07:47,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:07:47,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:07:47,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:07:47,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:07:47,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:07:47,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:07:47,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:07:47,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:07:47,825 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:07:47,825 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:07:47,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:07:47,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:07:47,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:07:47,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:07:47,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:07:47,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:07:47,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:07:47,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:07:47,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:07:47,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:07:47,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:07:47,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:07:47,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:07:47,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:07:47,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:07:47,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:07:47,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:07:47,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:07:47,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:07:47,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:07:47,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:07:47,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:07:47,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:07:47,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:07:47,838 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 08:07:47,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:07:47,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:07:47,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:07:47,848 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:07:47,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:07:47,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:07:47,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:07:47,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:07:47,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:07:47,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:07:47,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:07:47,850 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 08:07:47,850 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 08:07:47,850 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:07:47,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:07:47,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:07:47,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:07:47,851 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:07:47,851 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:07:47,851 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 08:07:47,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:07:47,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:07:47,851 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_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/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 -> 041ac1710be6e1a9f4a6c44510c9851574d3d115 [2018-11-10 08:07:47,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:07:47,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:07:47,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:07:47,889 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:07:47,890 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:07:47,890 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i [2018-11-10 08:07:47,943 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/data/39c030078/bec13ff2407447449ba409444e2572f7/FLAG6c05656e1 [2018-11-10 08:07:48,279 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:07:48,280 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i [2018-11-10 08:07:48,285 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/data/39c030078/bec13ff2407447449ba409444e2572f7/FLAG6c05656e1 [2018-11-10 08:07:48,296 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/data/39c030078/bec13ff2407447449ba409444e2572f7 [2018-11-10 08:07:48,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:07:48,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:07:48,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:07:48,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:07:48,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:07:48,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb581ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48, skipping insertion in model container [2018-11-10 08:07:48,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:07:48,327 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:07:48,436 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:07:48,439 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:07:48,453 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:07:48,462 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:07:48,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48 WrapperNode [2018-11-10 08:07:48,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:07:48,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:07:48,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:07:48,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:07:48,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:07:48,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:07:48,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:07:48,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:07:48,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:07:48,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:07:48,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:07:48,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:07:48,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:07:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:07:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:07:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:07:48,720 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:07:48,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:07:48 BoogieIcfgContainer [2018-11-10 08:07:48,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:07:48,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 08:07:48,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 08:07:48,731 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 08:07:48,731 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:07:48" (1/1) ... [2018-11-10 08:07:48,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:07:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-10 08:07:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-10 08:07:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 08:07:48,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:07:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-10 08:07:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-10 08:07:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:07:48,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:07:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-11-10 08:07:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-11-10 08:07:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 08:07:49,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:07:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2018-11-10 08:07:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-11-10 08:07:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 08:07:49,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:07:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2018-11-10 08:07:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2018-11-10 08:07:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 08:07:50,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 08:07:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2018-11-10 08:07:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2018-11-10 08:07:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 08:07:51,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 08:07:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-11-10 08:07:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-11-10 08:07:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 08:07:51,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 08:07:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-11-10 08:07:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-11-10 08:07:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 08:07:51,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 08:07:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 104 transitions. [2018-11-10 08:07:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2018-11-10 08:07:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 08:07:52,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 08:07:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:52,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2018-11-10 08:07:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2018-11-10 08:07:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 08:07:52,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 08:07:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2018-11-10 08:07:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2018-11-10 08:07:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 08:07:53,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 08:07:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 125 transitions. [2018-11-10 08:07:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2018-11-10 08:07:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 08:07:54,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 08:07:54,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 84 states and 126 transitions. [2018-11-10 08:07:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2018-11-10 08:07:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 08:07:54,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 40 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 08:07:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-11-10 08:07:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-11-10 08:07:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 08:07:54,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 08:07:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-11-10 08:07:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-11-10 08:07:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 08:07:55,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 08:07:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2018-11-10 08:07:56,762 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2018-11-10 08:07:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 08:07:56,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:07:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:07:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 46 proven. 47 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-10 08:07:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:07:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-10 08:07:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-10 08:07:57,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:07:57,254 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2018-11-10 08:07:57,262 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 08:07:57,532 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:07:57,534 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-11-10 08:07:57,538 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 08:07:57,539 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-11-10 08:07:57,539 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:07:57,539 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:07:57,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 08:07:57 ImpRootNode [2018-11-10 08:07:57,540 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 08:07:57,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:07:57,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:07:57,540 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:07:57,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:07:48" (3/4) ... [2018-11-10 08:07:57,543 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:07:57,549 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 08:07:57,549 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 08:07:57,550 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 08:07:57,583 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74bb8e7d-8ea4-47d4-a7f2-41f711e8a2af/bin-2019/ukojak/witness.graphml [2018-11-10 08:07:57,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:07:57,584 INFO L168 Benchmark]: Toolchain (without parser) took 9285.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 241.7 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -251.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:07:57,585 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:07:57,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:07:57,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.77 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:07:57,586 INFO L168 Benchmark]: Boogie Preprocessor took 13.81 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:07:57,587 INFO L168 Benchmark]: RCFGBuilder took 219.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:07:57,587 INFO L168 Benchmark]: CodeCheck took 8818.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -81.0 MB). Peak memory consumption was 374.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:07:57,587 INFO L168 Benchmark]: Witness Printer took 43.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:07:57,589 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, 24 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 720896 SDtfs, 978596 SDslu, 1033272 SDs, 0 SdLazy, 2949114 SolverSat, 792530 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4663 GetRequests, 4177 SyntacticMatches, 262 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22084 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 561 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 545 ConstructedInterpolants, 0 QuantifiedInterpolants, 77127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 498/759 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (2 <= n && i + 1 <= n) || 3 * i <= j - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((j + 3 <= 2 * n + i && 2 <= n) && i + 1 <= n) || ((i <= 0 && j <= k) && 2 <= n)) || ((j <= k && 0 < i) && i + 1 <= n) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((j + 3 <= 2 * n + i && 2 <= n) && i + 1 <= n) || ((i <= 0 && j <= k + 1) && 2 <= n)) || ((j <= k + 1 && 0 < i) && i + 1 <= n) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 23.77 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.81 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * CodeCheck took 8818.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -81.0 MB). Peak memory consumption was 374.9 MB. Max. memory is 11.5 GB. * Witness Printer took 43.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...