./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_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_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/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 4c761fb15c9d367876fc9f1553874e9680fa1668 ................................................................................................................................................................................................................................................................................................................................................................ 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 07:34:25,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:34:25,292 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:34:25,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:34:25,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:34:25,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:34:25,300 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:34:25,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:34:25,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:34:25,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:34:25,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:34:25,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:34:25,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:34:25,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:34:25,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:34:25,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:34:25,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:34:25,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:34:25,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:34:25,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:34:25,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:34:25,309 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:34:25,311 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:34:25,311 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:34:25,312 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:34:25,312 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:34:25,313 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:34:25,314 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:34:25,314 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:34:25,315 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:34:25,315 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:34:25,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:34:25,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:34:25,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:34:25,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:34:25,317 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:34:25,317 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 07:34:25,325 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:34:25,325 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:34:25,326 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:34:25,326 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:34:25,326 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:34:25,327 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:34:25,327 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:34:25,327 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 07:34:25,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:34:25,329 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:34:25,329 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:34:25,329 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:34:25,329 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:34:25,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:34:25,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:34:25,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:34:25,329 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:34:25,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:34:25,330 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:34:25,330 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:34:25,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:34:25,330 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_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/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 -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2018-11-10 07:34:25,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:34:25,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:34:25,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:34:25,368 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:34:25,369 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:34:25,369 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c [2018-11-10 07:34:25,410 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/data/ae851a05a/adcbaed612134c5f950d4f0c4ed7e4b6/FLAGe6e74ab1d [2018-11-10 07:34:25,804 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:34:25,805 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c [2018-11-10 07:34:25,809 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/data/ae851a05a/adcbaed612134c5f950d4f0c4ed7e4b6/FLAGe6e74ab1d [2018-11-10 07:34:25,820 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/data/ae851a05a/adcbaed612134c5f950d4f0c4ed7e4b6 [2018-11-10 07:34:25,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:34:25,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:34:25,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:34:25,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:34:25,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:34:25,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372d3e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25, skipping insertion in model container [2018-11-10 07:34:25,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:34:25,854 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:34:25,948 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:34:25,950 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:34:25,958 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:34:25,966 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:34:25,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25 WrapperNode [2018-11-10 07:34:25,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:34:25,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:34:25,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:34:25,967 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:34:25,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:34:25,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:34:25,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:34:25,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:34:25,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... [2018-11-10 07:34:25,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:34:25,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:34:25,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:34:25,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:34:25,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/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 07:34:26,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:34:26,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:34:26,186 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:34:26,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:34:26 BoogieIcfgContainer [2018-11-10 07:34:26,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:34:26,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:34:26,187 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:34:26,194 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:34:26,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:34:26" (1/1) ... [2018-11-10 07:34:26,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-10 07:34:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-10 07:34:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 07:34:26,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:26,325 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 07:34:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-11-10 07:34:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-10 07:34:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 07:34:26,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:34:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2018-11-10 07:34:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-11-10 07:34:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 07:34:26,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:26,561 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 07:34:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2018-11-10 07:34:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2018-11-10 07:34:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 07:34:26,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:26,605 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 07:34:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2018-11-10 07:34:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-11-10 07:34:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 07:34:26,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:26,666 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 07:34:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2018-11-10 07:34:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-11-10 07:34:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 07:34:26,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:26,820 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 07:34:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2018-11-10 07:34:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-11-10 07:34:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 07:34:27,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:27,129 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 07:34:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2018-11-10 07:34:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-11-10 07:34:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:34:27,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:27,624 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 07:34:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2018-11-10 07:34:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2018-11-10 07:34:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:34:27,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:27,781 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 07:34:28,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2018-11-10 07:34:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2018-11-10 07:34:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:34:28,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:28,261 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 07:34:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2018-11-10 07:34:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2018-11-10 07:34:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:34:28,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:34:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-11-10 07:34:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-11-10 07:34:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:34:28,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:28,770 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 07:34:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 86 transitions. [2018-11-10 07:34:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2018-11-10 07:34:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:34:28,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:28,977 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 07:34:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2018-11-10 07:34:29,926 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2018-11-10 07:34:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 07:34:29,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:29,972 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 07:34:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2018-11-10 07:34:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2018-11-10 07:34:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 07:34:30,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:34:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2018-11-10 07:34:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2018-11-10 07:34:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:34:30,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:30,613 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 07:34:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 121 transitions. [2018-11-10 07:34:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2018-11-10 07:34:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 07:34:31,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:34:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2018-11-10 07:34:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2018-11-10 07:34:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:34:31,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:31,447 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 07:34:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2018-11-10 07:34:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2018-11-10 07:34:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:34:31,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 07:34:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2018-11-10 07:34:31,637 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2018-11-10 07:34:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:34:31,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:34:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:34:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:34:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-11-10 07:34:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-10 07:34:31,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:34:31,773 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2018-11-10 07:34:31,779 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-10 07:34:31,861 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:34:31,863 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 07:34:31,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:34:31 ImpRootNode [2018-11-10 07:34:31,867 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:34:31,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:34:31,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:34:31,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:34:31,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:34:26" (3/4) ... [2018-11-10 07:34:31,871 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:34:31,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 07:34:31,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:34:31,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:34:31,907 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd75e4f7-f3d2-4ea2-8f55-5b0178685a10/bin-2019/ukojak/witness.graphml [2018-11-10 07:34:31,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:34:31,907 INFO L168 Benchmark]: Toolchain (without parser) took 6083.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 961.9 MB in the beginning and 1.2 GB in the end (delta: -221.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:31,908 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:31,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 950.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:31,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 950.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:31,909 INFO L168 Benchmark]: Boogie Preprocessor took 12.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:31,909 INFO L168 Benchmark]: RCFGBuilder took 188.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:31,910 INFO L168 Benchmark]: CodeCheck took 5680.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.0 MB). Peak memory consumption was 344.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:31,910 INFO L168 Benchmark]: Witness Printer took 39.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:31,912 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, 27 locations, 8 error locations. SAFE Result, 5.5s OverallTime, 21 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2861120 SDtfs, 6347872 SDslu, 4995232 SDs, 0 SdLazy, 23965936 SolverSat, 4845516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2226 GetRequests, 1953 SyntacticMatches, 79 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17380 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 8888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 34/39 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: 20]: 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((y <= x + 2147483647 && x <= 2147483647) && x <= y + 2147483647) && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 950.1 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 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 950.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 5680.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.0 MB). Peak memory consumption was 344.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...