./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.09.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 7a853b3510c5613f54b8d6b23d474c4e32a31e8aca13042a511ee4a733a5c07a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:16:18,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:16:18,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:16:18,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:16:18,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:16:18,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:16:18,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:16:18,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:16:18,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:16:18,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:16:18,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:16:18,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:16:18,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:16:18,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:16:18,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:16:18,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:16:18,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:16:18,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:16:18,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:16:18,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:16:18,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:16:18,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:16:18,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:16:18,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:16:18,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:16:18,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:18,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:16:18,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:16:18,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:16:18,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:16:18,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:16:18,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:16:18,488 INFO L153 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_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a853b3510c5613f54b8d6b23d474c4e32a31e8aca13042a511ee4a733a5c07a [2023-11-23 20:16:18,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:16:18,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:16:18,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:16:18,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:16:18,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:16:18,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.09.c [2023-11-23 20:16:22,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:16:22,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:16:22,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.09.c [2023-11-23 20:16:22,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/data/b7657eae8/a799761931424cdcb87f0db322a40674/FLAGc8f93bb42 [2023-11-23 20:16:22,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/data/b7657eae8/a799761931424cdcb87f0db322a40674 [2023-11-23 20:16:22,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:16:22,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:16:22,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:22,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:16:22,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:16:22,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9f3c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22, skipping insertion in model container [2023-11-23 20:16:22,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:16:22,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:22,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:16:22,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:16:22,915 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:16:22,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22 WrapperNode [2023-11-23 20:16:22,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:16:22,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:22,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:16:22,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:16:22,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,959 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2023-11-23 20:16:22,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:16:22,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:16:22,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:16:22,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:16:22,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:22,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:16:22,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:16:23,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:16:23,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:16:23,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:22" (1/1) ... [2023-11-23 20:16:23,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:16:23,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:16:23,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:16:23,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:16:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:16:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:16:23,223 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:16:23,226 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:16:23,424 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:16:23,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:16:23,473 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:16:23,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:23 BoogieIcfgContainer [2023-11-23 20:16:23,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:16:23,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:16:23,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:16:23,492 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:16:23,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:23" (1/1) ... [2023-11-23 20:16:23,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:16:23,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-23 20:16:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-23 20:16:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:16:23,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:23,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:16:23,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:16:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:16:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:16:23,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:16:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:16:23,890 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:16:23,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-23 20:16:23,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-23 20:16:23,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:16:23 ImpRootNode [2023-11-23 20:16:23,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:16:23,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:16:23,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:16:23,924 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:16:23,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:23" (3/4) ... [2023-11-23 20:16:23,927 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:16:23,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-23 20:16:23,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-23 20:16:23,996 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:16:23,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:16:23,998 INFO L158 Benchmark]: Toolchain (without parser) took 1353.00ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 109.5MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:16:23,998 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:16:23,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.36ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 134.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:16:24,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.74ms. Allocated memory is still 186.6MB. Free memory was 134.6MB in the beginning and 133.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:16:24,001 INFO L158 Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 186.6MB. Free memory was 133.1MB in the beginning and 132.2MB in the end (delta: 999.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:16:24,002 INFO L158 Benchmark]: RCFGBuilder took 480.48ms. Allocated memory is still 186.6MB. Free memory was 132.2MB in the beginning and 122.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:16:24,002 INFO L158 Benchmark]: CodeCheck took 442.79ms. Allocated memory is still 186.6MB. Free memory was 122.1MB in the beginning and 111.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:16:24,003 INFO L158 Benchmark]: Witness Printer took 74.35ms. Allocated memory is still 186.6MB. Free memory was 111.2MB in the beginning and 109.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:16:24,008 INFO L338 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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, 4 NumberOfCodeBlocks, 4 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z, oldx; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] oldx = __VERIFIER_nondet_int() [L28] x > 0 && x < y && x > 2*oldx VAL [x=-1073741825, x=1, y=2, z=0] [L28] 2*oldx VAL [x=-1073741825, x=1, y=2, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.36ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 134.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.74ms. Allocated memory is still 186.6MB. Free memory was 134.6MB in the beginning and 133.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.58ms. Allocated memory is still 186.6MB. Free memory was 133.1MB in the beginning and 132.2MB in the end (delta: 999.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.48ms. Allocated memory is still 186.6MB. Free memory was 132.2MB in the beginning and 122.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 442.79ms. Allocated memory is still 186.6MB. Free memory was 122.1MB in the beginning and 111.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 74.35ms. Allocated memory is still 186.6MB. Free memory was 111.2MB in the beginning and 109.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:16:24,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb94dcc-6807-4d34-943d-5b238c28f62d/bin/ukojak-verify-1t5iHCbJaC/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)