./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_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_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/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 f560e32afd5a40adf4a98abbf810cb377947c4f4 ................................................................................................................................................................................................................................................................................. 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 05:59:08,383 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:59:08,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:59:08,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:59:08,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:59:08,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:59:08,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:59:08,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:59:08,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:59:08,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:59:08,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:59:08,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:59:08,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:59:08,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:59:08,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:59:08,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:59:08,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:59:08,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:59:08,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:59:08,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:59:08,402 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:59:08,403 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:59:08,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:59:08,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:59:08,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:59:08,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:59:08,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:59:08,405 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:59:08,406 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:59:08,407 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:59:08,407 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:59:08,407 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:59:08,408 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:59:08,408 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:59:08,408 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:59:08,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:59:08,409 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 05:59:08,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:59:08,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:59:08,417 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:59:08,418 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:59:08,418 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:59:08,418 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:59:08,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:59:08,418 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:59:08,419 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:59:08,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:59:08,420 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:59:08,420 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:59:08,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:59:08,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:59:08,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:59:08,420 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:59:08,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:59:08,421 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:59:08,421 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:59:08,421 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:59:08,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:59:08,421 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_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/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 -> f560e32afd5a40adf4a98abbf810cb377947c4f4 [2018-11-10 05:59:08,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:59:08,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:59:08,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:59:08,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:59:08,463 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:59:08,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2018-11-10 05:59:08,509 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/data/8b86260fc/7386f07dff494f23b5df1ed0be23a400/FLAG6fc90d109 [2018-11-10 05:59:08,903 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:59:08,903 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2018-11-10 05:59:08,907 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/data/8b86260fc/7386f07dff494f23b5df1ed0be23a400/FLAG6fc90d109 [2018-11-10 05:59:08,917 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/data/8b86260fc/7386f07dff494f23b5df1ed0be23a400 [2018-11-10 05:59:08,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:59:08,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:59:08,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:59:08,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:59:08,924 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:59:08,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:59:08" (1/1) ... [2018-11-10 05:59:08,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:08, skipping insertion in model container [2018-11-10 05:59:08,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:59:08" (1/1) ... [2018-11-10 05:59:08,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:59:08,942 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:59:09,033 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:59:09,035 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:59:09,043 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:59:09,051 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:59:09,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09 WrapperNode [2018-11-10 05:59:09,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:59:09,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:59:09,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:59:09,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:59:09,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:59:09,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:59:09,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:59:09,075 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:59:09,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:59:09,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:59:09,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:59:09,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:59:09,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:59:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/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 05:59:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:59:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:59:09,307 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:59:09,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:59:09 BoogieIcfgContainer [2018-11-10 05:59:09,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:59:09,308 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:59:09,308 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:59:09,318 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:59:09,318 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:59:09" (1/1) ... [2018-11-10 05:59:09,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:59:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 05:59:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 05:59:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:59:09,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:09,492 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 05:59:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-11-10 05:59:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-11-10 05:59:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:59:09,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:09,581 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 05:59:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-10 05:59:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-10 05:59:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:59:09,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:09,850 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 05:59:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2018-11-10 05:59:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2018-11-10 05:59:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:59:09,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:10,004 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 05:59:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2018-11-10 05:59:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2018-11-10 05:59:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:59:10,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:10,113 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 05:59:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-10 05:59:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-10 05:59:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:59:10,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:10,281 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 05:59:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-11-10 05:59:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-11-10 05:59:10,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:59:10,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:10,447 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 05:59:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:10,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-10 05:59:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-10 05:59:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:59:10,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:59:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-11-10 05:59:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-11-10 05:59:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:59:11,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:11,138 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 05:59:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-10 05:59:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-10 05:59:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:59:11,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:59:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:59:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:59:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:59:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:59:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:59:11,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:59:11,839 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 05:59:11,846 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 05:59:11,893 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:59:11,895 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 05:59:11,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:59:11 ImpRootNode [2018-11-10 05:59:11,901 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:59:11,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:59:11,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:59:11,902 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:59:11,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:59:09" (3/4) ... [2018-11-10 05:59:11,905 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:59:11,913 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 05:59:11,914 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:59:11,914 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:59:11,945 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f637c0ed-940f-48a9-9280-2a6ba3dbea5f/bin-2019/ukojak/witness.graphml [2018-11-10 05:59:11,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:59:11,945 INFO L168 Benchmark]: Toolchain (without parser) took 3025.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:11,946 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:59:11,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.48 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:11,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.92 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:59:11,947 INFO L168 Benchmark]: Boogie Preprocessor took 13.41 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:11,947 INFO L168 Benchmark]: RCFGBuilder took 219.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:11,948 INFO L168 Benchmark]: CodeCheck took 2592.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:11,948 INFO L168 Benchmark]: Witness Printer took 43.69 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:59:11,950 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, 2.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3072 SDtfs, 8520 SDslu, 5288 SDs, 0 SdLazy, 33284 SolverSat, 4912 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 998 GetRequests, 855 SyntacticMatches, 39 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4699 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 3216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 23/37 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((m <= 2147483647 && 1 <= m) && i <= m + 2147483646) || (i < m + 1 && m <= 2147483647) * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.48 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 22.92 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.41 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 2592.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.69 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...