./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI --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 438c93f7319148f2df57d9fc17e5e76d8cc53576303ad734d466c1073884e34f ............................................................................................................................................................................................................. 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 0.2.1-dev-b2eff8b [2021-10-29 03:12:07,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:12:07,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:12:07,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:12:07,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:12:07,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:12:07,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:12:07,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:12:07,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:12:07,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:12:07,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:12:07,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:12:07,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:12:07,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:12:07,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:12:07,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:12:07,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:12:07,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:12:07,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:12:07,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:12:07,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:12:07,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:12:07,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:12:07,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:12:07,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:12:07,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:12:07,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:12:07,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:12:07,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:12:07,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:12:07,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:12:07,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:12:07,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:12:07,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:12:07,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:12:07,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:12:07,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:12:07,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:12:07,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:12:07,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:12:07,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:12:07,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:12:07,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:12:07,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:12:07,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:12:07,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:12:07,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:12:07,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:12:07,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:12:07,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:12:07,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:12:07,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:12:07,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:12:07,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:12:07,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:12:07,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:12:07,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:12:07,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:12:07,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:12:07,549 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:12:07,549 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:12:07,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:12:07,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:12:07,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:12:07,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:12:07,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:12:07,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:12:07,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:12:07,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:12:07,552 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_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 438c93f7319148f2df57d9fc17e5e76d8cc53576303ad734d466c1073884e34f [2021-10-29 03:12:07,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:12:07,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:12:07,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:12:07,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:12:07,857 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:12:07,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig8.c [2021-10-29 03:12:07,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/data/306d64029/7cd5ba9b0af6437db99c3fd4ad4235c3/FLAG3755fc58e [2021-10-29 03:12:08,441 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:12:08,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig8.c [2021-10-29 03:12:08,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/data/306d64029/7cd5ba9b0af6437db99c3fd4ad4235c3/FLAG3755fc58e [2021-10-29 03:12:08,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/data/306d64029/7cd5ba9b0af6437db99c3fd4ad4235c3 [2021-10-29 03:12:08,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:12:08,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:12:08,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:12:08,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:12:08,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:12:08,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:12:08" (1/1) ... [2021-10-29 03:12:08,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401a959c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:08, skipping insertion in model container [2021-10-29 03:12:08,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:12:08" (1/1) ... [2021-10-29 03:12:08,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:12:08,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:12:09,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:12:09,103 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:12:09,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:12:09,132 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:12:09,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09 WrapperNode [2021-10-29 03:12:09,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:12:09,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:12:09,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:12:09,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:12:09,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:12:09,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:12:09,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:12:09,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:12:09,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:12:09,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:12:09,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:12:09,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:12:09,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:12:09,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:12:09,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:12:09,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:12:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:12:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:12:09,561 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:12:09,561 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:12:09,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:12:09 BoogieIcfgContainer [2021-10-29 03:12:09,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:12:09,566 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:12:09,566 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:12:09,578 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:12:09,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:12:09" (1/1) ... [2021-10-29 03:12:09,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:12:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:09,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-10-29 03:12:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-29 03:12:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 03:12:09,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:09,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:12:09,727 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:12:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:12:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:12:09,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:12:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:12:09,790 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-29 03:12:09,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:12:09 ImpRootNode [2021-10-29 03:12:09,810 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:12:09,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:12:09,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:12:09,815 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:12:09,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:12:09" (3/4) ... [2021-10-29 03:12:09,821 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:12:09,868 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:12:09,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:12:09,871 INFO L168 Benchmark]: Toolchain (without parser) took 1048.12 ms. Allocated memory is still 119.5 MB. Free memory was 86.0 MB in the beginning and 74.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:09,872 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 81.8 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:12:09,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.79 ms. Allocated memory is still 119.5 MB. Free memory was 85.7 MB in the beginning and 95.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:09,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 119.5 MB. Free memory was 95.7 MB in the beginning and 94.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:12:09,878 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 119.5 MB. Free memory was 94.5 MB in the beginning and 93.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:09,883 INFO L168 Benchmark]: RCFGBuilder took 374.41 ms. Allocated memory is still 119.5 MB. Free memory was 93.4 MB in the beginning and 84.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:09,885 INFO L168 Benchmark]: CodeCheck took 244.66 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 75.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:09,885 INFO L168 Benchmark]: Witness Printer took 54.15 ms. Allocated memory is still 119.5 MB. Free memory was 75.9 MB in the beginning and 74.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:09,895 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, 21 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] 2*y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 81.8 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.79 ms. Allocated memory is still 119.5 MB. Free memory was 85.7 MB in the beginning and 95.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 119.5 MB. Free memory was 95.7 MB in the beginning and 94.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 119.5 MB. Free memory was 94.5 MB in the beginning and 93.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 374.41 ms. Allocated memory is still 119.5 MB. Free memory was 93.4 MB in the beginning and 84.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 244.66 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 75.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 54.15 ms. Allocated memory is still 119.5 MB. Free memory was 75.9 MB in the beginning and 74.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:12:09,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683283de-5e31-48d8-862b-ec2e14b357b3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...