./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v2_true-no-overflow_false-termination_true-valid-memsafety.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_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v2_true-no-overflow_false-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/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 d3e2a15dfa55cea18ccb0a7fc8d29509c935fecf ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:16:40,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:16:40,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:16:40,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:16:40,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:16:40,486 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:16:40,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:16:40,488 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:16:40,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:16:40,491 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:16:40,492 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:16:40,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:16:40,494 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:16:40,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:16:40,496 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:16:40,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:16:40,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:16:40,500 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:16:40,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:16:40,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:16:40,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:16:40,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:16:40,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:16:40,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:16:40,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:16:40,511 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:16:40,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:16:40,512 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:16:40,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:16:40,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:16:40,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:16:40,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:16:40,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:16:40,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:16:40,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:16:40,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:16:40,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:16:40,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:16:40,533 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:16:40,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:16:40,534 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:16:40,534 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:16:40,534 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:16:40,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:16:40,535 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:16:40,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:16:40,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:16:40,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:16:40,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:16:40,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:16:40,536 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:16:40,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:16:40,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:16:40,537 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:16:40,539 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:16:40,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:16:40,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:16:40,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:40,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:16:40,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:16:40,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:16:40,540 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:16:40,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:16:40,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:16:40,541 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_44a9c1bb-35dc-44f6-a376-07df1832c1b9/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 -> d3e2a15dfa55cea18ccb0a7fc8d29509c935fecf [2018-10-27 05:16:40,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:16:40,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:16:40,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:16:40,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:16:40,591 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:16:40,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Bangalore_v2_true-no-overflow_false-termination_true-valid-memsafety.c [2018-10-27 05:16:40,651 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/data/a17396a10/f41b8a2d0d2c4de88bb32477a1a7b7b0/FLAG6db8fa7a5 [2018-10-27 05:16:41,025 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:16:41,026 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/sv-benchmarks/c/termination-crafted/Bangalore_v2_true-no-overflow_false-termination_true-valid-memsafety.c [2018-10-27 05:16:41,032 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/data/a17396a10/f41b8a2d0d2c4de88bb32477a1a7b7b0/FLAG6db8fa7a5 [2018-10-27 05:16:41,045 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/data/a17396a10/f41b8a2d0d2c4de88bb32477a1a7b7b0 [2018-10-27 05:16:41,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:16:41,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:16:41,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:41,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:16:41,055 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:16:41,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235b504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41, skipping insertion in model container [2018-10-27 05:16:41,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:16:41,088 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:16:41,223 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:41,225 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:16:41,237 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:41,247 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:16:41,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41 WrapperNode [2018-10-27 05:16:41,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:41,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:41,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:16:41,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:16:41,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:41,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:16:41,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:16:41,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:16:41,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:16:41,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:16:41,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:16:41,294 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:16:41,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/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 [2018-10-27 05:16:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:16:41,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:16:41,839 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:16:41,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:41 BoogieIcfgContainer [2018-10-27 05:16:41,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:16:41,840 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:16:41,840 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:16:41,854 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:16:41,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:41" (1/1) ... [2018-10-27 05:16:41,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:16:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-27 05:16:41,931 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-27 05:16:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:41,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-27 05:16:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-27 05:16:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:42,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-10-27 05:16:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-10-27 05:16:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:16:43,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:43,531 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-10-27 05:16:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-10-27 05:16:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-10-27 05:16:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:43,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:16:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-10-27 05:16:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-10-27 05:16:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:16:44,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 05:16:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-27 05:16:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-27 05:16:44,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:16:44,778 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-10-27 05:16:44,787 INFO L778 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-10-27 05:16:44,866 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:16:44,868 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-27 05:16:44,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:16:44 ImpRootNode [2018-10-27 05:16:44,875 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:16:44,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:16:44,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:16:44,878 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:16:44,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:41" (3/4) ... [2018-10-27 05:16:44,882 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:16:44,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 05:16:44,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:16:44,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:16:44,933 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44a9c1bb-35dc-44f6-a376-07df1832c1b9/bin-2019/ukojak/witness.graphml [2018-10-27 05:16:44,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:16:44,935 INFO L168 Benchmark]: Toolchain (without parser) took 3885.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 959.7 MB in the beginning and 968.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 179.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:44,936 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:44,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.13 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 947.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:44,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.54 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:44,937 INFO L168 Benchmark]: Boogie Preprocessor took 16.44 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:44,938 INFO L168 Benchmark]: RCFGBuilder took 546.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 945.2 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:44,939 INFO L168 Benchmark]: CodeCheck took 3037.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 971.3 MB in the end (delta: 195.1 MB). Peak memory consumption was 195.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:44,939 INFO L168 Benchmark]: Witness Printer took 56.22 ms. Allocated memory is still 1.2 GB. Free memory was 971.3 MB in the beginning and 968.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:44,943 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, 13 locations, 2 error locations. SAFE Result, 2.9s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 254 SDslu, 136 SDs, 0 SdLazy, 914 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 311 SyntacticMatches, 19 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 5/17 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (x <= y + 2147483647 && y <= 2147483647) && 0 <= y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.13 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 947.9 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 27.54 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.44 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 546.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 945.2 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3037.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 971.3 MB in the end (delta: 195.1 MB). Peak memory consumption was 195.1 MB. Max. memory is 11.5 GB. * Witness Printer took 56.22 ms. Allocated memory is still 1.2 GB. Free memory was 971.3 MB in the beginning and 968.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...