./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:33:09,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:33:09,583 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:33:09,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:33:09,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:33:09,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:33:09,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:33:09,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:33:09,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:33:09,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:33:09,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:33:09,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:33:09,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:33:09,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:33:09,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:33:09,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:33:09,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:33:09,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:33:09,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:33:09,600 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:33:09,601 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:33:09,601 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:33:09,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:33:09,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:33:09,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:33:09,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:33:09,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:33:09,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:33:09,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:33:09,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:33:09,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:33:09,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:33:09,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:33:09,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:33:09,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:33:09,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:33:09,608 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 00:33:09,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:33:09,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:33:09,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:33:09,619 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:33:09,619 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:33:09,619 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:33:09,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:33:09,620 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 00:33:09,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:33:09,621 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:33:09,621 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:33:09,621 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:33:09,621 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:33:09,621 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:33:09,622 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:33:09,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:33:09,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:33:09,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:33:09,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:33:09,622 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:33:09,623 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:33:09,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:33:09,623 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_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/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 -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2018-12-09 00:33:09,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:33:09,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:33:09,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:33:09,660 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:33:09,660 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:33:09,660 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2018-12-09 00:33:09,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/data/e6fd97775/bf4f851bd5bc409aacde9e80c0d3f72c/FLAGaee29048d [2018-12-09 00:33:10,127 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:33:10,127 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2018-12-09 00:33:10,131 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/data/e6fd97775/bf4f851bd5bc409aacde9e80c0d3f72c/FLAGaee29048d [2018-12-09 00:33:10,140 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/data/e6fd97775/bf4f851bd5bc409aacde9e80c0d3f72c [2018-12-09 00:33:10,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:33:10,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:33:10,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:33:10,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:33:10,146 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:33:10,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b10c34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10, skipping insertion in model container [2018-12-09 00:33:10,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:33:10,161 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:33:10,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:33:10,253 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:33:10,261 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:33:10,269 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:33:10,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10 WrapperNode [2018-12-09 00:33:10,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:33:10,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:33:10,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:33:10,270 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:33:10,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:33:10,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:33:10,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:33:10,288 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:33:10,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:33:10,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:33:10,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:33:10,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:33:10,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:33:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:33:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:33:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:33:10,448 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:33:10,448 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 00:33:10,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:10 BoogieIcfgContainer [2018-12-09 00:33:10,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:33:10,449 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:33:10,449 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:33:10,455 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:33:10,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:10" (1/1) ... [2018-12-09 00:33:10,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:33:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-09 00:33:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-09 00:33:10,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 00:33:10,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:33:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-09 00:33:10,610 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-09 00:33:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:33:10,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:33:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-12-09 00:33:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-12-09 00:33:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:33:10,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:33:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-12-09 00:33:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-12-09 00:33:10,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:33:10,749 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-09 00:33:10,754 INFO L779 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-12-09 00:33:10,767 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 00:33:10,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:33:10 ImpRootNode [2018-12-09 00:33:10,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:33:10,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:33:10,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:33:10,772 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:33:10,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:33:10" (3/4) ... [2018-12-09 00:33:10,775 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:33:10,780 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:33:10,780 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:33:10,780 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:33:10,802 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7745efa-d2a1-4d27-a4db-8dbb51c4c737/bin-2019/ukojak/witness.graphml [2018-12-09 00:33:10,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:33:10,803 INFO L168 Benchmark]: Toolchain (without parser) took 660.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 957.2 MB in the beginning and 1.0 GB in the end (delta: -91.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:33:10,804 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:33:10,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.2 MB in the beginning and 949.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:33:10,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.83 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:33:10,805 INFO L168 Benchmark]: Boogie Preprocessor took 10.81 ms. Allocated memory is still 1.0 GB. Free memory is still 946.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:33:10,806 INFO L168 Benchmark]: RCFGBuilder took 150.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:33:10,806 INFO L168 Benchmark]: CodeCheck took 323.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:33:10,806 INFO L168 Benchmark]: Witness Printer took 30.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:33:10,808 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, 10 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 80 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.2 MB in the beginning and 949.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.83 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.81 ms. Allocated memory is still 1.0 GB. Free memory is still 946.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 150.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 323.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 30.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...