./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.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_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/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_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/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_df96a361-0c4a-4d23-bf91-651a1b371772/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 b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:30,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:30,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:46:30,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:46:30,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:46:30,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:30,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:30,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:30,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:30,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:30,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:30,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:30,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:46:30,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:30,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:30,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:30,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:30,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:30,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:46:30,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:46:30,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:30,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:30,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:30,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:30,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:30,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:30,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:30,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:30,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:30,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:30,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:46:30,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:46:30,998 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_df96a361-0c4a-4d23-bf91-651a1b371772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 [2024-11-09 00:46:31,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:31,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:31,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:31,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:31,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:31,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i Unable to find full path for "g++" [2024-11-09 00:46:33,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:33,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:33,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2024-11-09 00:46:33,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data/4162b564e/be44ac185b1f4229b1821202f0cd3a40/FLAG8e824d445 [2024-11-09 00:46:33,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data/4162b564e/be44ac185b1f4229b1821202f0cd3a40 [2024-11-09 00:46:33,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:33,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:33,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:33,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:33,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:33,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:33" (1/1) ... [2024-11-09 00:46:33,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bdd827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:33, skipping insertion in model container [2024-11-09 00:46:33,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:33" (1/1) ... [2024-11-09 00:46:33,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:34,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:34,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:35,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:35,208 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:35,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35 WrapperNode [2024-11-09 00:46:35,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:35,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:35,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:35,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:35,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,285 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-09 00:46:35,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:35,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:35,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:35,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:35,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:35,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:35,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:35,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:35,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:35,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:35,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:35,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:46:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:46:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:46:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:46:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:46:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:46:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:46:35,536 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:35,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:35,680 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:35,680 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:35,737 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:35,737 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:46:35,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:35 BoogieIcfgContainer [2024-11-09 00:46:35,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:35,739 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:35,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:35,750 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:35,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:35" (1/1) ... [2024-11-09 00:46:35,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:46:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:46:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:46:35,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:35,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:46:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:46:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:46:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:46:36,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:36,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:46:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:36,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:36,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:36,852 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:46:36,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:46:36 ImpRootNode [2024-11-09 00:46:36,886 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:46:36,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:46:36,887 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:46:36,887 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:46:36,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:35" (3/4) ... [2024-11-09 00:46:36,890 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:46:36,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:46:36,893 INFO L158 Benchmark]: Toolchain (without parser) took 3069.10ms. Allocated memory is still 186.6MB. Free memory was 133.0MB in the beginning and 97.1MB in the end (delta: 35.9MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-09 00:46:36,894 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 95.4MB in the end (delta: 34.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:36,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.22ms. Allocated memory is still 186.6MB. Free memory was 133.0MB in the beginning and 113.3MB in the end (delta: 19.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:36,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.33ms. Allocated memory is still 186.6MB. Free memory was 113.3MB in the beginning and 110.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:36,896 INFO L158 Benchmark]: Boogie Preprocessor took 36.09ms. Allocated memory is still 186.6MB. Free memory was 110.3MB in the beginning and 109.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:36,897 INFO L158 Benchmark]: RCFGBuilder took 415.18ms. Allocated memory is still 186.6MB. Free memory was 109.0MB in the beginning and 93.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:46:36,899 INFO L158 Benchmark]: CodeCheck took 1146.74ms. Allocated memory is still 186.6MB. Free memory was 93.2MB in the beginning and 98.2MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:36,899 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 186.6MB. Free memory was 98.2MB in the beginning and 97.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:36,906 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10337:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 95.4MB in the end (delta: 34.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.22ms. Allocated memory is still 186.6MB. Free memory was 133.0MB in the beginning and 113.3MB in the end (delta: 19.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.33ms. Allocated memory is still 186.6MB. Free memory was 113.3MB in the beginning and 110.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.09ms. Allocated memory is still 186.6MB. Free memory was 110.3MB in the beginning and 109.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.18ms. Allocated memory is still 186.6MB. Free memory was 109.0MB in the beginning and 93.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1146.74ms. Allocated memory is still 186.6MB. Free memory was 93.2MB in the beginning and 98.2MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 186.6MB. Free memory was 98.2MB in the beginning and 97.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:46:36,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/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_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/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 b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:39,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:39,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:46:39,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:39,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:39,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:39,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:39,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:39,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:39,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:39,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:39,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:39,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:39,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:39,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:46:39,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:46:39,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:39,562 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:46:39,562 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:46:39,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:46:39,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:39,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:39,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:39,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:39,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:39,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:39,569 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:46:39,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:39,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:39,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:39,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:39,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:39,570 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:46:39,571 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:39,571 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:46:39,571 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_df96a361-0c4a-4d23-bf91-651a1b371772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 [2024-11-09 00:46:39,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:39,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:39,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:39,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:39,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:39,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i Unable to find full path for "g++" [2024-11-09 00:46:42,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:42,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:42,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2024-11-09 00:46:42,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data/1ec17d399/34dc75aa461a415f922a6a57a7120e59/FLAG6ce4641ae [2024-11-09 00:46:42,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/data/1ec17d399/34dc75aa461a415f922a6a57a7120e59 [2024-11-09 00:46:42,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:42,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:42,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:42,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:42,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:42,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:42" (1/1) ... [2024-11-09 00:46:42,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8a6c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:42, skipping insertion in model container [2024-11-09 00:46:42,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:42" (1/1) ... [2024-11-09 00:46:42,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:43,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:43,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:43,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:43,933 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:43,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43 WrapperNode [2024-11-09 00:46:43,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:43,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:43,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:43,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:43,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:43,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:43,995 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-09 00:46:43,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:43,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:43,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:43,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:44,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:44,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:44,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:44,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:44,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:43" (1/1) ... [2024-11-09 00:46:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:44,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:44,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:44,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:46:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:46:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:46:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:46:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:44,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:46:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:46:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:46:44,299 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:44,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:44,464 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:44,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:44,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:44,548 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:46:44,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:44 BoogieIcfgContainer [2024-11-09 00:46:44,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:44,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:44,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:44,560 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:44,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:44" (1/1) ... [2024-11-09 00:46:44,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:46:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:46:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:46:44,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:44,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:44,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:44,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:44,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:46:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:46:44,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:44,969 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:46:44,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:46:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:46:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:46:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:46:45,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:45,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:45,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:46:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:45,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:45,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:45,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:45,522 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:46:45,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:46:45 ImpRootNode [2024-11-09 00:46:45,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:46:45,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:46:45,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:46:45,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:46:45,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:44" (3/4) ... [2024-11-09 00:46:45,566 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:46:45,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:46:45,569 INFO L158 Benchmark]: Toolchain (without parser) took 3071.46ms. Allocated memory was 62.9MB in the beginning and 123.7MB in the end (delta: 60.8MB). Free memory was 30.6MB in the beginning and 76.8MB in the end (delta: -46.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:45,570 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:45,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1436.48ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 30.2MB in the beginning and 59.3MB in the end (delta: -29.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-09 00:46:45,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.84ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 56.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:45,573 INFO L158 Benchmark]: Boogie Preprocessor took 31.24ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 53.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:45,574 INFO L158 Benchmark]: RCFGBuilder took 520.41ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 60.9MB in the end (delta: -7.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:46:45,575 INFO L158 Benchmark]: CodeCheck took 1011.06ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 60.4MB in the beginning and 77.2MB in the end (delta: -16.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-09 00:46:45,577 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 123.7MB. Free memory was 77.2MB in the beginning and 76.8MB in the end (delta: 405.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:45,581 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 1 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 - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1436.48ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 30.2MB in the beginning and 59.3MB in the end (delta: -29.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.84ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 56.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.24ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 53.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.41ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 60.9MB in the end (delta: -7.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1011.06ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 60.4MB in the beginning and 77.2MB in the end (delta: -16.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 123.7MB. Free memory was 77.2MB in the beginning and 76.8MB in the end (delta: 405.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:46:45,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df96a361-0c4a-4d23-bf91-651a1b371772/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample