./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_true-no-overflow_true-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_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/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 9c51224894dcd32e556532086a33c2900554a2d1 ........................................................................................................................................................................................................................................... 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 05:16:56,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:16:56,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:16:56,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:16:56,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:16:56,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:16:56,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:16:56,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:16:56,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:16:56,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:16:56,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:16:56,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:16:56,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:16:56,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:16:56,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:16:56,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:16:56,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:16:56,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:16:56,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:16:56,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:16:56,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:16:56,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:16:56,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:16:56,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:16:56,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:16:56,601 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:16:56,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:16:56,603 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:16:56,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:16:56,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:16:56,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:16:56,605 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:16:56,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:16:56,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:16:56,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:16:56,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:16:56,608 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:16:56,620 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:16:56,620 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:16:56,621 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:16:56,621 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:16:56,622 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:16:56,622 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:16:56,622 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:16:56,622 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:16:56,622 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:16:56,623 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:16:56,623 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:16:56,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:16:56,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:16:56,623 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:16:56,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:16:56,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:16:56,625 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:16:56,625 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:16:56,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:16:56,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:16:56,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:56,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:16:56,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:16:56,626 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:16:56,626 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:16:56,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:16:56,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:16:56,627 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_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/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 -> 9c51224894dcd32e556532086a33c2900554a2d1 [2018-10-27 05:16:56,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:16:56,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:16:56,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:16:56,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:16:56,674 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:16:56,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Bangalore_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:16:56,725 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/data/1f3ffb804/e76181c607314d389b1224de0fbcd9a1/FLAGda89d9175 [2018-10-27 05:16:57,106 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:16:57,107 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/sv-benchmarks/c/termination-crafted/Bangalore_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:16:57,112 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/data/1f3ffb804/e76181c607314d389b1224de0fbcd9a1/FLAGda89d9175 [2018-10-27 05:16:57,125 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/data/1f3ffb804/e76181c607314d389b1224de0fbcd9a1 [2018-10-27 05:16:57,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:16:57,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:16:57,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:57,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:16:57,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:16:57,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adc1ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57, skipping insertion in model container [2018-10-27 05:16:57,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:16:57,165 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:16:57,293 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:57,296 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:16:57,307 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:57,317 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:16:57,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57 WrapperNode [2018-10-27 05:16:57,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:57,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:57,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:16:57,319 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:16:57,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:57,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:16:57,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:16:57,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:16:57,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:16:57,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:16:57,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:16:57,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:16:57,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/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 05:16:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:16:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:16:57,915 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:16:57,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:57 BoogieIcfgContainer [2018-10-27 05:16:57,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:16:57,916 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:16:57,916 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:16:57,928 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:16:57,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:57" (1/1) ... [2018-10-27 05:16:57,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:16:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-27 05:16:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-27 05:16:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:58,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:58,330 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 05:16:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-27 05:16:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-27 05:16:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:58,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:58,555 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 05:16:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-10-27 05:16:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-10-27 05:16:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:16:59,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:59,240 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 05:16:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2018-10-27 05:16:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2018-10-27 05:16:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:59,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:59,970 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 05:17:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2018-10-27 05:17:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2018-10-27 05:17:00,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:00,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:00,396 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 05:17:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-27 05:17:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-27 05:17:01,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:17:01,057 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-10-27 05:17:01,066 INFO L778 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-10-27 05:17:01,122 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-27 05:17:01,133 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:17:01,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:17:01 ImpRootNode [2018-10-27 05:17:01,133 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:17:01,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:17:01,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:17:01,134 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:17:01,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:57" (3/4) ... [2018-10-27 05:17:01,139 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:17:01,149 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 05:17:01,149 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:17:01,149 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:17:01,192 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e27e3e6-7a7d-49aa-8243-d223dcdf508b/bin-2019/ukojak/witness.graphml [2018-10-27 05:17:01,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:17:01,193 INFO L168 Benchmark]: Toolchain (without parser) took 4064.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 963.4 MB in the beginning and 918.4 MB in the end (delta: 45.0 MB). Peak memory consumption was 219.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:01,195 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:01,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.37 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:01,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.83 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:01,196 INFO L168 Benchmark]: Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:01,197 INFO L168 Benchmark]: RCFGBuilder took 550.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -213.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:01,197 INFO L168 Benchmark]: CodeCheck took 3217.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 918.4 MB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:01,198 INFO L168 Benchmark]: Witness Printer took 58.27 ms. Allocated memory is still 1.2 GB. Free memory is still 918.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:01,201 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, 3.0s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 272 SDslu, 136 SDs, 0 SdLazy, 1014 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 341 SyntacticMatches, 18 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 19]: Loop Invariant Derived loop invariant: (x <= y + 2147483646 && 1 <= y) && y <= 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.37 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 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 31.83 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 550.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -213.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3217.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 918.4 MB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. * Witness Printer took 58.27 ms. Allocated memory is still 1.2 GB. Free memory is still 918.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...