./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_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/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_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/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 [2018-10-27 05:16:27,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:16:27,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:16:27,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:16:27,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:16:27,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:16:27,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:16:27,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:16:27,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:16:27,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:16:27,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:16:27,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:16:27,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:16:27,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:16:27,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:16:27,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:16:27,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:16:27,164 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:16:27,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:16:27,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:16:27,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:16:27,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:16:27,170 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:16:27,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:16:27,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:16:27,171 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:16:27,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:16:27,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:16:27,177 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:16:27,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:16:27,178 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:16:27,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:16:27,179 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:16:27,179 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:16:27,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:16:27,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:16:27,184 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:16:27,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:16:27,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:16:27,197 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:16:27,197 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:16:27,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:16:27,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:16:27,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:16:27,198 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:16:27,199 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:16:27,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:16:27,199 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:16:27,199 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:16:27,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:16:27,201 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:16:27,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:27,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:16:27,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:16:27,202 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:16:27,202 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:16:27,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:16:27,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:16:27,202 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_2adc2c06-b78d-4aab-b15b-31779f3b84ff/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 [2018-10-27 05:16:27,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:16:27,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:16:27,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:16:27,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:16:27,247 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:16:27,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2018-10-27 05:16:27,300 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/data/703c11bba/a41f8ee75e2c4a96b7886a0146216dda/FLAGdbd0587de [2018-10-27 05:16:27,651 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:16:27,651 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a_true-termination_true-no-overflow.c [2018-10-27 05:16:27,656 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/data/703c11bba/a41f8ee75e2c4a96b7886a0146216dda/FLAGdbd0587de [2018-10-27 05:16:27,666 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/data/703c11bba/a41f8ee75e2c4a96b7886a0146216dda [2018-10-27 05:16:27,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:16:27,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:16:27,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:27,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:16:27,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:16:27,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e84b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27, skipping insertion in model container [2018-10-27 05:16:27,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:16:27,697 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:16:27,808 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:27,811 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:16:27,822 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:27,831 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:16:27,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27 WrapperNode [2018-10-27 05:16:27,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:27,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:27,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:16:27,833 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:16:27,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:27,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:16:27,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:16:27,858 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:16:27,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... [2018-10-27 05:16:27,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:16:27,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:16:27,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:16:27,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:16:27,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:16:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:16:28,267 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:16:28,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:28 BoogieIcfgContainer [2018-10-27 05:16:28,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:16:28,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:16:28,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:16:28,277 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:16:28,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:28" (1/1) ... [2018-10-27 05:16:28,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:16:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-10-27 05:16:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-10-27 05:16:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:28,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-10-27 05:16:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-10-27 05:16:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:28,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-10-27 05:16:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-10-27 05:16:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:28,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-10-27 05:16:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-10-27 05:16:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:29,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-10-27 05:16:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-10-27 05:16:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:16:29,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-10-27 05:16:30,096 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-10-27 05:16:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:16:30,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-10-27 05:16:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-10-27 05:16:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:30,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 05:16:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-10-27 05:16:30,715 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-10-27 05:16:30,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:30,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-10-27 05:16:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-10-27 05:16:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:16:30,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2018-10-27 05:16:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2018-10-27 05:16:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:16:31,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-10-27 05:16:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-10-27 05:16:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:16:31,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-27 05:16:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-27 05:16:31,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:16:31,588 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-10-27 05:16:31,596 INFO L778 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2018-10-27 05:16:31,651 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:16:31,653 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-27 05:16:31,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:16:31 ImpRootNode [2018-10-27 05:16:31,659 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:16:31,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:16:31,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:16:31,659 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:16:31,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:28" (3/4) ... [2018-10-27 05:16:31,663 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:16:31,670 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 05:16:31,671 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:16:31,671 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:16:31,706 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2adc2c06-b78d-4aab-b15b-31779f3b84ff/bin-2019/ukojak/witness.graphml [2018-10-27 05:16:31,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:16:31,707 INFO L168 Benchmark]: Toolchain (without parser) took 4037.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:31,708 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:31,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 949.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:31,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.55 ms. Allocated memory is still 1.0 GB. Free memory is still 949.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:31,709 INFO L168 Benchmark]: Boogie Preprocessor took 14.89 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:31,709 INFO L168 Benchmark]: RCFGBuilder took 394.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:31,710 INFO L168 Benchmark]: CodeCheck took 3391.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:31,710 INFO L168 Benchmark]: Witness Printer took 46.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:31,715 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, 3.2s 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, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 918 GetRequests, 782 SyntacticMatches, 40 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4298 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s 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: 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: 27]: 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: 26]: 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 - 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 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 949.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.55 ms. Allocated memory is still 1.0 GB. Free memory is still 949.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.89 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 394.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * CodeCheck took 3391.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...