./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/joey.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/joey.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY --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 6360f720317c1229a4bb277806239106bfb4e5c0 ............................................................................................................................................................................................................................. 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-4e77c04 [2021-10-13 03:59:25,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:59:25,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:59:25,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:59:25,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:59:25,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:59:25,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:59:25,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:59:25,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:59:25,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:59:25,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:59:25,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:59:25,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:59:25,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:59:25,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:59:25,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:59:25,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:59:25,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:59:25,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:59:25,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:59:25,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:59:25,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:59:25,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:59:25,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:59:25,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:59:25,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:59:25,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:59:25,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:59:25,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:59:25,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:59:25,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:59:25,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:59:25,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:59:25,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:59:25,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:59:25,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:59:25,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:59:25,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:59:25,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:59:25,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:59:25,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:59:25,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 03:59:25,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:59:25,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:59:25,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:59:25,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:59:25,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:59:25,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:59:25,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:59:25,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:59:25,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:59:25,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:59:25,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:59:25,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:59:25,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:59:25,374 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:59:25,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:59:25,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:59:25,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:59:25,375 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:59:25,375 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:59:25,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:59:25,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:59:25,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:59:25,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:59:25,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:59:25,376 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:59:25,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:59:25,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:59:25,377 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_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6360f720317c1229a4bb277806239106bfb4e5c0 [2021-10-13 03:59:25,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:59:25,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:59:25,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:59:25,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:59:25,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:59:25,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/joey.c [2021-10-13 03:59:25,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/data/4c312471d/1276cd2f0edf436781db0df4ee2939aa/FLAG3441d0ce0 [2021-10-13 03:59:26,296 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:59:26,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/sv-benchmarks/c/termination-crafted-lit/joey.c [2021-10-13 03:59:26,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/data/4c312471d/1276cd2f0edf436781db0df4ee2939aa/FLAG3441d0ce0 [2021-10-13 03:59:26,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/data/4c312471d/1276cd2f0edf436781db0df4ee2939aa [2021-10-13 03:59:26,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:59:26,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:59:26,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:59:26,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:59:26,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:59:26,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2783eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26, skipping insertion in model container [2021-10-13 03:59:26,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:59:26,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:59:26,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:59:26,881 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:59:26,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:59:26,925 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:59:26,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26 WrapperNode [2021-10-13 03:59:26,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:59:26,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:59:26,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:59:26,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:59:26,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:59:26,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:59:26,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:59:26,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:59:26,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:26,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:59:26,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:59:26,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:59:26,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:59:27,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:59:26" (1/1) ... [2021-10-13 03:59:27,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:59:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:59:27,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:59:27,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:59:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-10-13 03:59:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-10-13 03:59:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:59:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:59:27,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:59:27,324 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 03:59:27,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:59:27 BoogieIcfgContainer [2021-10-13 03:59:27,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:59:27,328 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:59:27,329 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:59:27,341 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:59:27,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:59:27" (1/1) ... [2021-10-13 03:59:27,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:59:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:59:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-10-13 03:59:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-10-13 03:59:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:59:27,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:59:27,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:59:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:59:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:59:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:59:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 44 transitions. [2021-10-13 03:59:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-10-13 03:59:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:59:27,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:59:27,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:59:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:59:27,826 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:59:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:59:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:59:27,890 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:59:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:59:27,913 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-10-13 03:59:27,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:59:27 ImpRootNode [2021-10-13 03:59:27,937 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:59:27,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:59:27,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:59:27,938 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:59:27,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:59:27" (3/4) ... [2021-10-13 03:59:27,941 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:59:27,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:59:27,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:59:27,976 INFO L168 Benchmark]: Toolchain (without parser) took 1287.88 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.4 MB in the beginning and 58.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:59:27,976 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:59:27,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.48 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.2 MB in the beginning and 90.6 MB in the end (delta: -39.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:59:27,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 113.2 MB. Free memory was 90.6 MB in the beginning and 89.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:59:27,979 INFO L168 Benchmark]: Boogie Preprocessor took 36.01 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 88.1 MB in the end (delta: 973.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:59:27,980 INFO L168 Benchmark]: RCFGBuilder took 329.41 ms. Allocated memory is still 113.2 MB. Free memory was 88.1 MB in the beginning and 78.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:59:27,981 INFO L168 Benchmark]: CodeCheck took 608.60 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 59.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 03:59:27,982 INFO L168 Benchmark]: Witness Printer took 35.88 ms. Allocated memory is still 113.2 MB. Free memory was 59.8 MB in the beginning and 58.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:59:27,988 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 2 procedures, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 550.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 28 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 155.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 6.3ms SsaConstructionTime, 47.4ms SatisfiabilityAnalysisTime, 208.2ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y; [L22] CALL rec(x) VAL [\old(x)=2147483647] [L10] COND FALSE !(x <= 0) VAL [\old(x)=2147483647, x=2147483647] [L12] COND FALSE !(x%2 == 0) VAL [\old(x)=2147483647, x=2147483647] [L15] ++x VAL [\old(x)=2147483647, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 231.48 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.2 MB in the beginning and 90.6 MB in the end (delta: -39.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 113.2 MB. Free memory was 90.6 MB in the beginning and 89.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.01 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 88.1 MB in the end (delta: 973.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 329.41 ms. Allocated memory is still 113.2 MB. Free memory was 88.1 MB in the beginning and 78.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 608.60 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 59.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Witness Printer took 35.88 ms. Allocated memory is still 113.2 MB. Free memory was 59.8 MB in the beginning and 58.4 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! [2021-10-13 03:59:28,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56358b3-7ffb-4bfd-8521-d7e0af8559b6/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...