./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a93871a8dae316852c5fe296af5e1db1eea1d37 ............................................................................................................................................................................................................................................. 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 10:36:53,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:36:53,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:36:53,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:36:53,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:36:53,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:36:53,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:36:53,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:36:53,921 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:36:53,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:36:53,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:36:53,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:36:53,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:36:53,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:36:53,924 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:36:53,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:36:53,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:36:53,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:36:53,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:36:53,930 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:36:53,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:36:53,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:36:53,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:36:53,932 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:36:53,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:36:53,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:36:53,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:36:53,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:36:53,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:36:53,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:36:53,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:36:53,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:36:53,937 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:36:53,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:36:53,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:36:53,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:36:53,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 10:36:53,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:36:53,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:36:53,948 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:36:53,948 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:36:53,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:36:53,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:36:53,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:36:53,949 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:36:53,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:36:53,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:36:53,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:36:53,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:36:53,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:36:53,950 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 10:36:53,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:36:53,950 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:36:53,950 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:36:53,950 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:36:53,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:36:53,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:36:53,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:36:53,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:36:53,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:36:53,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:36:53,951 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:36:53,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:36:53,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:36:53,951 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_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2018-11-10 10:36:53,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:36:53,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:36:53,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:36:53,985 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:36:53,985 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:36:53,985 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-10 10:36:54,019 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/data/c0c068d50/eaee9df0660b450ab282ef1717e80d6c/FLAG5880e6879 [2018-11-10 10:36:54,414 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:36:54,415 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-10 10:36:54,418 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/data/c0c068d50/eaee9df0660b450ab282ef1717e80d6c/FLAG5880e6879 [2018-11-10 10:36:54,426 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/data/c0c068d50/eaee9df0660b450ab282ef1717e80d6c [2018-11-10 10:36:54,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:36:54,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:36:54,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:54,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:36:54,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:36:54,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10835ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54, skipping insertion in model container [2018-11-10 10:36:54,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:36:54,452 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:36:54,536 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:54,542 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:36:54,550 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:54,561 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:36:54,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54 WrapperNode [2018-11-10 10:36:54,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:54,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:36:54,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:36:54,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:36:54,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:36:54,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:36:54,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:36:54,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:36:54,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:36:54,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:36:54,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:36:54,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:36:54,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/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 10:36:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 10:36:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:36:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:36:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:36:54,890 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:36:54,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:54 BoogieIcfgContainer [2018-11-10 10:36:54,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:36:54,891 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:36:54,891 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:36:54,900 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:36:54,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:54" (1/1) ... [2018-11-10 10:36:54,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:36:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-11-10 10:36:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-11-10 10:36:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 10:36:54,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:36:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:55,052 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 10:36:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:36:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-10 10:36:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-10 10:36:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 10:36:55,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:36:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:55,161 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 10:36:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:36:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-10 10:36:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-10 10:36:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 10:36:55,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:36:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:36:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-11-10 10:36:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-11-10 10:36:55,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:36:55,417 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 10:36:55,423 INFO L778 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-10 10:36:55,436 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:36:55,437 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 10:36:55,439 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 10:36:55,442 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 10:36:55,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:36:55 ImpRootNode [2018-11-10 10:36:55,443 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:36:55,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:36:55,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:36:55,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:36:55,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:54" (3/4) ... [2018-11-10 10:36:55,446 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:36:55,452 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 10:36:55,452 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 10:36:55,452 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 10:36:55,453 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:36:55,481 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c4cfcdd-8faf-49e1-b60b-dd996c078ef6/bin-2019/ukojak/witness.graphml [2018-11-10 10:36:55,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:36:55,481 INFO L168 Benchmark]: Toolchain (without parser) took 1052.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -103.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:55,482 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 10:36:55,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.67 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:55,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.81 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:55,483 INFO L168 Benchmark]: Boogie Preprocessor took 16.67 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:55,484 INFO L168 Benchmark]: RCFGBuilder took 290.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:55,484 INFO L168 Benchmark]: CodeCheck took 551.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:55,485 INFO L168 Benchmark]: Witness Printer took 37.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:55,487 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, 19 locations, 2 error locations. SAFE Result, 0.4s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 22 SDslu, 0 SDs, 0 SdLazy, 132 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2018-11-10 10:36:55,488 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 10:36:55,489 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.67 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.81 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.67 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 290.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 551.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...