./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/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 d50c9e2c4d6ea0adce599ea0d63e463f6e274ffe ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:46:07,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:46:07,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:46:07,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:46:07,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:46:07,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:46:07,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:46:07,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:46:07,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:46:07,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:46:07,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:46:07,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:46:07,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:46:07,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:46:07,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:46:07,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:46:07,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:46:07,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:46:07,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:46:07,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:46:07,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:46:07,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:46:07,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:46:07,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:46:07,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:46:07,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:46:07,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:46:07,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:46:07,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:46:07,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:46:07,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:46:07,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:46:07,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:46:07,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:46:07,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:46:07,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:46:07,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:46:07,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:46:07,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:46:07,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:46:07,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:46:07,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 19:46:07,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:46:07,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:46:07,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:46:07,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:46:07,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:46:07,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:46:07,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:46:07,394 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:46:07,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:46:07,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:46:07,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:46:07,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:46:07,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:46:07,395 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 19:46:07,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:46:07,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:46:07,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:46:07,398 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:46:07,398 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:46:07,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:46:07,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:46:07,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:46:07,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:46:07,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:46:07,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:46:07,400 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:46:07,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:46:07,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:46:07,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d50c9e2c4d6ea0adce599ea0d63e463f6e274ffe [2020-11-29 19:46:07,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:46:07,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:46:07,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:46:07,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:46:07,740 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:46:07,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c [2020-11-29 19:46:07,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/data/fff87ff9f/6d5ae3934b784ad7bde7c217985f1d06/FLAGdb9afa144 [2020-11-29 19:46:08,327 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:46:08,328 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c [2020-11-29 19:46:08,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/data/fff87ff9f/6d5ae3934b784ad7bde7c217985f1d06/FLAGdb9afa144 [2020-11-29 19:46:08,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/data/fff87ff9f/6d5ae3934b784ad7bde7c217985f1d06 [2020-11-29 19:46:08,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:46:08,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:46:08,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:46:08,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:46:08,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:46:08,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4f74fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08, skipping insertion in model container [2020-11-29 19:46:08,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:46:08,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:46:08,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:46:08,913 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:46:08,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:46:08,949 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:46:08,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08 WrapperNode [2020-11-29 19:46:08,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:46:08,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:46:08,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:46:08,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:46:08,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:46:08,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:46:08,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:46:08,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:46:08,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:08,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:09,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:09,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:09,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... [2020-11-29 19:46:09,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:46:09,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:46:09,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:46:09,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:46:09,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/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 [2020-11-29 19:46:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:46:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:46:09,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:46:09,535 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 19:46:09,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:46:09 BoogieIcfgContainer [2020-11-29 19:46:09,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:46:09,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:46:09,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:46:09,551 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:46:09,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:46:09" (1/1) ... [2020-11-29 19:46:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:46:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:46:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2020-11-29 19:46:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2020-11-29 19:46:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 19:46:09,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:46:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:46:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:46:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:46:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2020-11-29 19:46:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2020-11-29 19:46:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 19:46:09,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:46:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:46:09,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:46:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:46:09,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:46:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:46:09,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:46:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:46:09,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:46:09,886 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-11-29 19:46:09,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:46:09 ImpRootNode [2020-11-29 19:46:09,903 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:46:09,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:46:09,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:46:09,904 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:46:09,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:46:09" (3/4) ... [2020-11-29 19:46:09,907 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:46:09,949 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_da6480ee-abfa-4ed1-85ff-5771406435f7/bin/ukojak/witness.graphml [2020-11-29 19:46:09,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:46:09,955 INFO L168 Benchmark]: Toolchain (without parser) took 1251.65 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 51.2 MB in the end (delta: 16.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:09,956 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:46:09,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.42 ms. Allocated memory is still 104.9 MB. Free memory was 67.5 MB in the beginning and 81.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:09,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.62 ms. Allocated memory is still 104.9 MB. Free memory was 81.6 MB in the beginning and 80.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:46:09,963 INFO L168 Benchmark]: Boogie Preprocessor took 22.64 ms. Allocated memory is still 104.9 MB. Free memory was 80.1 MB in the beginning and 79.4 MB in the end (delta: 681.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:46:09,964 INFO L168 Benchmark]: RCFGBuilder took 529.41 ms. Allocated memory is still 104.9 MB. Free memory was 79.4 MB in the beginning and 67.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:09,965 INFO L168 Benchmark]: CodeCheck took 364.22 ms. Allocated memory is still 104.9 MB. Free memory was 66.9 MB in the beginning and 52.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:09,965 INFO L168 Benchmark]: Witness Printer took 46.00 ms. Allocated memory is still 104.9 MB. Free memory was 52.9 MB in the beginning and 51.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:09,968 INFO L339 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, 10 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x, y, N; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] N = __VERIFIER_nondet_int() [L21] COND TRUE N < 536870912 && x < 536870912 && y < 536870912 && x >= -1073741824 [L22] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 249.42 ms. Allocated memory is still 104.9 MB. Free memory was 67.5 MB in the beginning and 81.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.62 ms. Allocated memory is still 104.9 MB. Free memory was 81.6 MB in the beginning and 80.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.64 ms. Allocated memory is still 104.9 MB. Free memory was 80.1 MB in the beginning and 79.4 MB in the end (delta: 681.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 529.41 ms. Allocated memory is still 104.9 MB. Free memory was 79.4 MB in the beginning and 67.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 364.22 ms. Allocated memory is still 104.9 MB. Free memory was 66.9 MB in the beginning and 52.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 46.00 ms. Allocated memory is still 104.9 MB. Free memory was 52.9 MB in the beginning and 51.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...