./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk --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 b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:36:46,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:36:46,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:36:46,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:36:46,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:36:46,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:36:46,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:36:46,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:36:46,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:36:46,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:36:46,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:36:46,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:36:46,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:36:46,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:36:46,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:36:46,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:36:46,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:36:46,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:36:46,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:36:46,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:36:46,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:36:46,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:36:46,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:36:46,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:36:46,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:36:46,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:36:46,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:36:46,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:36:46,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:36:46,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:36:46,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:36:46,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:36:46,358 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_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab [2024-11-08 23:36:46,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:36:46,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:36:46,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:36:46,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:36:46,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:36:46,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i Unable to find full path for "g++" [2024-11-08 23:36:48,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:36:48,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:36:48,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2024-11-08 23:36:48,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/data/162afab0f/1059bcf4bdae4447aa090afabfa2f773/FLAG1ae7585d8 [2024-11-08 23:36:48,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/data/162afab0f/1059bcf4bdae4447aa090afabfa2f773 [2024-11-08 23:36:48,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:36:48,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:36:48,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:36:48,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:36:48,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:36:48,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c9bb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:48, skipping insertion in model container [2024-11-08 23:36:48,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:36:48" (1/1) ... [2024-11-08 23:36:48,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:36:49,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:36:49,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:36:49,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:36:49,244 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:36:49,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49 WrapperNode [2024-11-08 23:36:49,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:36:49,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:36:49,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:36:49,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:36:49,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,286 INFO L138 Inliner]: procedures = 12, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-08 23:36:49,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:36:49,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:36:49,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:36:49,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:36:49,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:36:49,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:36:49,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:36:49,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:36:49,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:36:49,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:36:49,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:36:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:36:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:36:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:36:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:36:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:36:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-08 23:36:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-08 23:36:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:36:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:36:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:36:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:36:49,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:36:49,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:36:49,768 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:36:49,768 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:36:49,819 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:36:49,819 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:36:49,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:49 BoogieIcfgContainer [2024-11-08 23:36:49,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:36:49,821 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:36:49,821 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:36:49,833 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:36:49,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:49" (1/1) ... [2024-11-08 23:36:49,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:36:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2024-11-08 23:36:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-08 23:36:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:36:49,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:50,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2024-11-08 23:36:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-08 23:36:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:36:50,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:50,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:36:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:50,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:36:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:36:50,529 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:36:50,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:36:50 ImpRootNode [2024-11-08 23:36:50,564 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:36:50,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:36:50,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:36:50,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:36:50,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:49" (3/4) ... [2024-11-08 23:36:50,567 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:36:50,615 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:36:50,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:36:50,619 INFO L158 Benchmark]: Toolchain (without parser) took 1663.44ms. Allocated memory is still 186.6MB. Free memory was 154.0MB in the beginning and 150.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-11-08 23:36:50,620 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:36:50,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.16ms. Allocated memory is still 186.6MB. Free memory was 154.0MB in the beginning and 141.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:36:50,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.83ms. Allocated memory is still 186.6MB. Free memory was 141.6MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:36:50,624 INFO L158 Benchmark]: Boogie Preprocessor took 35.35ms. Allocated memory is still 186.6MB. Free memory was 140.1MB in the beginning and 139.1MB in the end (delta: 964.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:36:50,624 INFO L158 Benchmark]: RCFGBuilder took 497.07ms. Allocated memory is still 186.6MB. Free memory was 139.1MB in the beginning and 121.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:36:50,624 INFO L158 Benchmark]: CodeCheck took 743.11ms. Allocated memory is still 186.6MB. Free memory was 121.8MB in the beginning and 152.7MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:36:50,629 INFO L158 Benchmark]: Witness Printer took 52.85ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:36:50,631 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 3 procedures, 31 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 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, 8 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 35 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L56] int *p1 = malloc(sizeof(int)); [L57] int *p2 = malloc(sizeof(int)); [L60] *p1 = __VERIFIER_nondet_int() [L61] *p2 = __VERIFIER_nondet_int() [L63] EXPR \read(*p1) [L63] *p1 < 0 || *p2 < 0 [L63] EXPR \read(*p2) [L63] *p1 < 0 || *p2 < 0 VAL [p1={-1:0}, p2={-2:0}] [L63] COND FALSE !(*p1 < 0 || *p2 < 0) [L66] EXPR \read(*p2) VAL [p1={-1:0}] [L66] CALL f(p1,*p2) VAL [\old(q)={-1:0}, \old(v)=2147483647] [L17] COND FALSE !(v < 0) [L22] int *tmp = malloc(sizeof(int)); [L23] v+1 VAL [\old(q)={-1:0}, \old(v)=2147483647, tmp={18748:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.16ms. Allocated memory is still 186.6MB. Free memory was 154.0MB in the beginning and 141.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.83ms. Allocated memory is still 186.6MB. Free memory was 141.6MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.35ms. Allocated memory is still 186.6MB. Free memory was 140.1MB in the beginning and 139.1MB in the end (delta: 964.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.07ms. Allocated memory is still 186.6MB. Free memory was 139.1MB in the beginning and 121.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 743.11ms. Allocated memory is still 186.6MB. Free memory was 121.8MB in the beginning and 152.7MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.85ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:36:50,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab07f799-cc84-462f-9186-3c762f9ec3cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)