./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9 --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 32bit --witnessprinter.graph.data.programhash 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:39:42,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:39:43,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:39:43,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:39:43,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:39:43,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:39:43,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:39:43,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:39:43,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:39:43,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:39:43,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:39:43,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:39:43,048 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:39:43,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:39:43,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:39:43,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:39:43,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:39:43,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:39:43,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:39:43,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:39:43,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:39:43,052 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:39:43,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:39:43,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:39:43,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:39:43,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:39:43,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:39:43,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:39:43,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:43,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:39:43,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:39:43,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:39:43,057 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:39:43,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:39:43,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:39:43,058 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_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac3f9dde39c1c30daf84e7d2d3f68c4363e658cdbd9aae18974f8ff3d9b4fc7 [2023-12-03 04:39:43,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:39:43,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:39:43,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:39:43,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:39:43,341 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:39:43,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-regression/test22-2.c [2023-12-03 04:39:46,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:39:46,184 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:39:46,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/sv-benchmarks/c/ldv-regression/test22-2.c [2023-12-03 04:39:46,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/data/23dca6c11/0bc0216fdeaa4d71813d63c7e9a9358c/FLAGe1807a303 [2023-12-03 04:39:46,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/data/23dca6c11/0bc0216fdeaa4d71813d63c7e9a9358c [2023-12-03 04:39:46,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:39:46,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:39:46,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:46,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:39:46,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:39:46,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a09062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46, skipping insertion in model container [2023-12-03 04:39:46,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:39:46,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:46,423 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:39:46,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:46,460 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:39:46,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46 WrapperNode [2023-12-03 04:39:46,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:46,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:39:46,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:39:46,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:39:46,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,497 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-12-03 04:39:46,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:39:46,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:39:46,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:39:46,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:39:46,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:39:46,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:39:46,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:39:46,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:39:46,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:46,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:39:46,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:39:46,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:39:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:39:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:39:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:39:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2023-12-03 04:39:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2023-12-03 04:39:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:39:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:39:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:39:46,666 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:39:46,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:39:46,831 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:39:46,891 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:39:46,891 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:39:46,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:46 BoogieIcfgContainer [2023-12-03 04:39:46,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:39:46,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:39:46,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:39:46,902 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:39:46,902 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:46" (1/1) ... [2023-12-03 04:39:46,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:39:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-12-03 04:39:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-12-03 04:39:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:39:46,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:39:47,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:39:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:39:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:39:47,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:39:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:39:47,266 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:39:47,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret10 [2023-12-03 04:39:47,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret11 [2023-12-03 04:39:47,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret12 [2023-12-03 04:39:47,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-03 04:39:47,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-12-03 04:39:47,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-03 04:39:47,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-03 04:39:47,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:39:47 ImpRootNode [2023-12-03 04:39:47,300 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:39:47,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:39:47,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:39:47,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:39:47,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:46" (3/4) ... [2023-12-03 04:39:47,302 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 04:39:47,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret10 [2023-12-03 04:39:47,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret11 [2023-12-03 04:39:47,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret12 [2023-12-03 04:39:47,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-03 04:39:47,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated [2023-12-03 04:39:47,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-03 04:39:47,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-03 04:39:47,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:39:47,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:39:47,340 INFO L158 Benchmark]: Toolchain (without parser) took 1128.92ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 93.6MB in the end (delta: 30.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,341 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:39:47,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.97ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 113.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.76ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 111.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,342 INFO L158 Benchmark]: Boogie Preprocessor took 24.90ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 110.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,343 INFO L158 Benchmark]: RCFGBuilder took 370.30ms. Allocated memory is still 161.5MB. Free memory was 110.6MB in the beginning and 119.0MB in the end (delta: -8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,344 INFO L158 Benchmark]: CodeCheck took 405.75ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 96.5MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,344 INFO L158 Benchmark]: Witness Printer took 38.86ms. Allocated memory is still 161.5MB. Free memory was 96.5MB in the beginning and 93.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:39:47,347 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 2 procedures, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 15 NumberOfCodeBlocks, 15 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: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L11] struct dummy d1, d2; [L34] CALL init() [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L34] RET init() [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={4:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={4:0}, pd2={4:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L36] int i = __VERIFIER_nondet_int(); [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L37] EXPR (*pd2).a [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [d1={4:0}, d2={5:0}, i=-2147483648, pd1={4:0}, pd2={4:0}, pd3={5:0}] [L37] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L38] int *pa = &pd1->a; [L39] EXPR pd3->a VAL [d1={4:0}, d2={5:0}, i=-2147483648, pa={4:0}, pd1={4:0}, pd2={4:0}, pd3={5:0}] [L39] pd3->a - 10 VAL [d1={4:0}, d2={5:0}, i=-2147483648, pa={4:0}, pd1={4:0}, pd2={4:0}, pd3={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.97ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 113.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.76ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 111.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.90ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 110.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.30ms. Allocated memory is still 161.5MB. Free memory was 110.6MB in the beginning and 119.0MB in the end (delta: -8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 405.75ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 96.5MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 38.86ms. Allocated memory is still 161.5MB. Free memory was 96.5MB in the beginning and 93.6MB in the end (delta: 2.8MB). 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: unknown boogie variable #t~ret10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 04:39:47,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa628118-74ca-440c-ba74-100dab4de939/bin/ukojak-verify-Qdu7aM0XO9/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)