./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_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_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/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 f9de9875f09e594325a645528f016ce12ac5c646 ............................................................................................................................................................................................................................................................................................... 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 05:40:39,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:40:39,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:40:39,884 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:40:39,885 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:40:39,885 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:40:39,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:40:39,887 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:40:39,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:40:39,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:40:39,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:40:39,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:40:39,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:40:39,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:40:39,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:40:39,894 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:40:39,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:40:39,896 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:40:39,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:40:39,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:40:39,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:40:39,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:40:39,902 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:40:39,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:40:39,902 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:40:39,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:40:39,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:40:39,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:40:39,904 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:40:39,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:40:39,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:40:39,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:40:39,906 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:40:39,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:40:39,907 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:40:39,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:40:39,908 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 05:40:39,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:40:39,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:40:39,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:40:39,920 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:40:39,920 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:40:39,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:40:39,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:40:39,921 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:40:39,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:40:39,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:40:39,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:40:39,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:40:39,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:40:39,922 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:40:39,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:40:39,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:40:39,922 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:40:39,922 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:40:39,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:40:39,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:40:39,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:40:39,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:40:39,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:40:39,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:40:39,923 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:40:39,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:40:39,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:40:39,924 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_f81e19a1-2a8d-4736-93c2-db1ad924456e/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 -> f9de9875f09e594325a645528f016ce12ac5c646 [2018-11-10 05:40:39,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:40:39,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:40:39,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:40:39,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:40:39,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:40:39,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2018-11-10 05:40:40,007 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/data/24bee72d9/2e254a89e2f349d88a8ae2a1f5566df8/FLAG6dee01997 [2018-11-10 05:40:40,334 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:40:40,334 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2018-11-10 05:40:40,338 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/data/24bee72d9/2e254a89e2f349d88a8ae2a1f5566df8/FLAG6dee01997 [2018-11-10 05:40:40,347 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/data/24bee72d9/2e254a89e2f349d88a8ae2a1f5566df8 [2018-11-10 05:40:40,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:40:40,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:40:40,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:40:40,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:40:40,354 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:40:40,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11661478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40, skipping insertion in model container [2018-11-10 05:40:40,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:40:40,378 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:40:40,492 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:40:40,495 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:40:40,505 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:40:40,514 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:40:40,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40 WrapperNode [2018-11-10 05:40:40,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:40:40,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:40:40,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:40:40,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:40:40,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:40:40,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:40:40,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:40:40,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:40:40,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:40:40,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:40:40,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:40:40,553 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:40:40,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/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 05:40:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:40:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:40:40,814 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:40:40,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:40:40 BoogieIcfgContainer [2018-11-10 05:40:40,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:40:40,815 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:40:40,815 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:40:40,822 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:40:40,822 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:40:40" (1/1) ... [2018-11-10 05:40:40,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-11-10 05:40:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 05:40:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:40:40,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:40,956 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 05:40:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-11-10 05:40:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-10 05:40:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:40:40,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:41,026 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 05:40:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-11-10 05:40:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-11-10 05:40:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:40:41,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:41,164 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 05:40:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-10 05:40:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-10 05:40:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:40:41,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:41,343 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 05:40:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-11-10 05:40:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-11-10 05:40:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:40:41,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:41,493 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 05:40:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-10 05:40:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-10 05:40:41,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:40:41,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:41,814 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 05:40:42,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-11-10 05:40:42,116 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-11-10 05:40:42,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:40:42,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:42,134 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 05:40:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-11-10 05:40:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-11-10 05:40:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:40:42,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-11-10 05:40:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-11-10 05:40:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:40:42,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2018-11-10 05:40:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2018-11-10 05:40:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:40:42,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-11-10 05:40:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-11-10 05:40:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:40:42,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:40:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:40:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 05:40:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 05:40:42,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:40:42,931 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-10 05:40:42,939 INFO L778 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2018-11-10 05:40:42,976 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:40:42,978 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 05:40:42,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:40:42 ImpRootNode [2018-11-10 05:40:42,983 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:40:42,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:40:42,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:40:42,984 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:40:42,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:40:40" (3/4) ... [2018-11-10 05:40:42,987 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:40:42,994 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:40:42,994 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:40:42,994 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:40:43,029 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f81e19a1-2a8d-4736-93c2-db1ad924456e/bin-2019/ukojak/witness.graphml [2018-11-10 05:40:43,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:40:43,030 INFO L168 Benchmark]: Toolchain (without parser) took 2680.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:43,031 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:43,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:43,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.28 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:43,032 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:43,032 INFO L168 Benchmark]: RCFGBuilder took 262.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -212.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:43,033 INFO L168 Benchmark]: CodeCheck took 2168.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.1 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:43,034 INFO L168 Benchmark]: Witness Printer took 45.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:43,036 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, 21 locations, 6 error locations. SAFE Result, 2.0s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8192 SDtfs, 17908 SDslu, 29728 SDs, 0 SdLazy, 35826 SolverSat, 7154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 918 GetRequests, 782 SyntacticMatches, 40 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4298 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 2086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 20/20 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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 - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && d <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.68 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.28 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 262.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -212.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 2168.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 56.1 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. * Witness Printer took 45.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...