./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB --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 3a2e336c14e0f0809697e411e26667c450d0bd54379bc5b17c5ba39ad5fe8d68 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:05:10,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:10,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:10,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:10,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:10,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:10,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:10,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:10,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:10,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:10,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:10,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:10,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:10,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:10,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:10,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:10,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:10,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:10,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:10,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:10,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:10,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:10,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:10,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:10,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:10,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:10,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:10,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:10,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:10,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:10,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:10,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:10,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:10,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:10,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:10,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:10,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:10,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:10,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:10,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:10,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:10,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 17:05:10,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:10,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:10,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:10,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:10,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:10,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:10,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:10,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:05:10,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:10,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:10,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:10,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:10,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:10,341 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:05:10,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:10,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:10,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:10,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:10,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:10,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:10,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:10,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:10,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:10,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:10,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:10,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:10,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:10,344 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_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2e336c14e0f0809697e411e26667c450d0bd54379bc5b17c5ba39ad5fe8d68 [2022-10-17 17:05:10,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:10,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:10,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:10,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:10,604 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:10,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c [2022-10-17 17:05:10,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/data/1b61f3136/cbf2b96ccad34c93af0b26f66bc7b7c2/FLAGc2121e55e [2022-10-17 17:05:11,213 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:11,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-ICALP2005-Fig1.c [2022-10-17 17:05:11,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/data/1b61f3136/cbf2b96ccad34c93af0b26f66bc7b7c2/FLAGc2121e55e [2022-10-17 17:05:11,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/data/1b61f3136/cbf2b96ccad34c93af0b26f66bc7b7c2 [2022-10-17 17:05:11,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:11,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:11,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:11,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:11,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:11,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c47b58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11, skipping insertion in model container [2022-10-17 17:05:11,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:11,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:11,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:11,822 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:11,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:11,864 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:11,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11 WrapperNode [2022-10-17 17:05:11,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:11,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:11,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:11,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:11,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,900 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-10-17 17:05:11,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:11,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:11,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:11,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:11,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:11,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:11,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:11,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:11,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:11,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:11,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:12,112 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:12,114 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:12,259 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:12,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:12,277 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:12,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:12 BoogieIcfgContainer [2022-10-17 17:05:12,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:12,281 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:12,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:12,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:12,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2022-10-17 17:05:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-10-17 17:05:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:05:12,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:12,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2022-10-17 17:05:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-10-17 17:05:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:05:12,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:05:12,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:05:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:05:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:05:12,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:05:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:05:12,732 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 17:05:12,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:05:12 ImpRootNode [2022-10-17 17:05:12,757 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:05:12,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:05:12,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:05:12,758 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:05:12,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:12" (3/4) ... [2022-10-17 17:05:12,761 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:05:12,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:05:12,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:05:12,803 INFO L158 Benchmark]: Toolchain (without parser) took 1237.24ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 60.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-10-17 17:05:12,804 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:12,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.77ms. Allocated memory is still 96.5MB. Free memory was 74.1MB in the beginning and 65.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:05:12,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.79ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:05:12,806 INFO L158 Benchmark]: Boogie Preprocessor took 37.41ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:12,807 INFO L158 Benchmark]: RCFGBuilder took 338.55ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 52.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:05:12,811 INFO L158 Benchmark]: CodeCheck took 476.11ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 62.0MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:12,812 INFO L158 Benchmark]: Witness Printer took 43.74ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 60.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:12,816 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. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 VAL [N=0, x=-1073741824, y=-1073741825] [L22] x + y VAL [N=0, x=-1073741824, y=-1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.77ms. Allocated memory is still 96.5MB. Free memory was 74.1MB in the beginning and 65.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.79ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.41ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.55ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 52.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 476.11ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 62.0MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.74ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 60.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:05:12,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93ed0ed9-19e3-4a63-83ec-3d753ea3b9f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)