./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.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_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/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 fce4ad715fa5546a587c43eb09d1a8cb5dcde607 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:55:06,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:55:06,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:55:06,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:55:06,257 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:55:06,258 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:55:06,259 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:55:06,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:55:06,261 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:55:06,261 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:55:06,262 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:55:06,262 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:55:06,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:55:06,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:55:06,264 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:55:06,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:55:06,266 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:55:06,267 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:55:06,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:55:06,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:55:06,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:55:06,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:55:06,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:55:06,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:55:06,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:55:06,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:55:06,274 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:55:06,274 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:55:06,275 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:55:06,276 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:55:06,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:55:06,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:55:06,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:55:06,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:55:06,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:55:06,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:55:06,278 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 05:55:06,288 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:55:06,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:55:06,289 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:55:06,289 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:55:06,290 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:55:06,290 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:55:06,290 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:55:06,290 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:55:06,290 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:55:06,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:55:06,290 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:55:06,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:55:06,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:55:06,291 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:55:06,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:55:06,291 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:55:06,291 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:55:06,291 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:55:06,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:55:06,292 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:55:06,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:55:06,292 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:55:06,292 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:55:06,292 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:55:06,292 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:55:06,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:55:06,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:55:06,293 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_2bd537fb-706f-4994-8c14-4d4bbb610577/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 -> fce4ad715fa5546a587c43eb09d1a8cb5dcde607 [2018-11-10 05:55:06,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:55:06,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:55:06,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:55:06,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:55:06,327 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:55:06,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c [2018-11-10 05:55:06,363 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/data/a1bc70e7b/bdd22371c5c34b8fb49e8584e17680a5/FLAG840f229c3 [2018-11-10 05:55:06,760 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:55:06,760 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c [2018-11-10 05:55:06,764 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/data/a1bc70e7b/bdd22371c5c34b8fb49e8584e17680a5/FLAG840f229c3 [2018-11-10 05:55:06,774 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/data/a1bc70e7b/bdd22371c5c34b8fb49e8584e17680a5 [2018-11-10 05:55:06,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:55:06,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:55:06,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:55:06,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:55:06,782 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:55:06,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b6f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06, skipping insertion in model container [2018-11-10 05:55:06,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:55:06,801 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:55:06,908 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:55:06,910 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:55:06,918 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:55:06,926 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:55:06,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06 WrapperNode [2018-11-10 05:55:06,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:55:06,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:55:06,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:55:06,928 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:55:06,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:55:06,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:55:06,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:55:06,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:55:06,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... [2018-11-10 05:55:06,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:55:06,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:55:06,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:55:06,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:55:06,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:55:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:55:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:55:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:55:07,164 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:55:07,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:55:07 BoogieIcfgContainer [2018-11-10 05:55:07,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:55:07,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:55:07,165 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:55:07,175 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:55:07,175 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:55:07" (1/1) ... [2018-11-10 05:55:07,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:55:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 05:55:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 05:55:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:55:07,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:55:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-11-10 05:55:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-11-10 05:55:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:55:07,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:55:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2018-11-10 05:55:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2018-11-10 05:55:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:55:07,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:55:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-10 05:55:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-10 05:55:07,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:55:07,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:55:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-11-10 05:55:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-11-10 05:55:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:55:07,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 05:55:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-11-10 05:55:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-11-10 05:55:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:55:08,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 05:55:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2018-11-10 05:55:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2018-11-10 05:55:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:55:08,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:55:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-11-10 05:55:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-11-10 05:55:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:55:08,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:55:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-10 05:55:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-10 05:55:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:55:08,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 05:55:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2018-11-10 05:55:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2018-11-10 05:55:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:55:08,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:55:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:55:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 05:55:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:55:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-10 05:55:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-10 05:55:08,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:55:08,516 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 05:55:08,523 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 05:55:08,601 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 05:55:08,607 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:55:08,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:55:08 ImpRootNode [2018-11-10 05:55:08,608 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:55:08,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:55:08,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:55:08,608 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:55:08,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:55:07" (3/4) ... [2018-11-10 05:55:08,611 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:55:08,617 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:55:08,617 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:55:08,617 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:55:08,649 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2bd537fb-706f-4994-8c14-4d4bbb610577/bin-2019/ukojak/witness.graphml [2018-11-10 05:55:08,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:55:08,650 INFO L168 Benchmark]: Toolchain (without parser) took 1872.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 963.0 MB in the beginning and 888.2 MB in the end (delta: 74.8 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:08,651 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:55:08,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.56 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:08,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.67 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:55:08,652 INFO L168 Benchmark]: Boogie Preprocessor took 11.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:08,652 INFO L168 Benchmark]: RCFGBuilder took 201.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:08,652 INFO L168 Benchmark]: CodeCheck took 1442.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.6 MB in the end (delta: 224.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:08,653 INFO L168 Benchmark]: Witness Printer took 41.81 ms. Allocated memory is still 1.2 GB. Free memory was 893.6 MB in the beginning and 888.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:55:08,654 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, 18 locations, 4 error locations. SAFE Result, 1.3s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1024 SDtfs, 11068 SDslu, 4448 SDs, 0 SdLazy, 36506 SolverSat, 5138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 961 GetRequests, 855 SyntacticMatches, 48 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1448 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 2793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 32/33 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: q <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.56 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.67 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 201.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1442.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.6 MB in the end (delta: 224.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. * Witness Printer took 41.81 ms. Allocated memory is still 1.2 GB. Free memory was 893.6 MB in the beginning and 888.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...