./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/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_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/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_63e7db81-1308-4280-811b-a0de442f0c09/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 e579e6ff49352bb7047953fc067cce7636729348b09084c0d5c3a579ef9920b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:17:41,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:17:42,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:17:42,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:17:42,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:17:42,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:17:42,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:17:42,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:17:42,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:17:42,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:17:42,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:17:42,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:17:42,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:17:42,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:17:42,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:17:42,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:17:42,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:17:42,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:17:42,094 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:17:42,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:17:42,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:17:42,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:17:42,096 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:17:42,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:17:42,097 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:17:42,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:17:42,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:42,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:17:42,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:17:42,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:17:42,099 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:17:42,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:17:42,100 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_63e7db81-1308-4280-811b-a0de442f0c09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e579e6ff49352bb7047953fc067cce7636729348b09084c0d5c3a579ef9920b8 [2024-11-08 23:17:42,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:17:42,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:17:42,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:17:42,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:17:42,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:17:42,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i Unable to find full path for "g++" [2024-11-08 23:17:44,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:17:44,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:17:44,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i [2024-11-08 23:17:44,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data/0cf7e6cba/afddf2e9d8ad498e9ccf441d36591dc4/FLAGceab716a6 [2024-11-08 23:17:44,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data/0cf7e6cba/afddf2e9d8ad498e9ccf441d36591dc4 [2024-11-08 23:17:44,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:17:44,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:17:44,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:44,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:17:44,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:17:44,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:44" (1/1) ... [2024-11-08 23:17:44,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608c5cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:44, skipping insertion in model container [2024-11-08 23:17:44,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:44" (1/1) ... [2024-11-08 23:17:44,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:17:45,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:45,848 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:17:45,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:46,104 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:17:46,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46 WrapperNode [2024-11-08 23:17:46,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:46,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:46,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:17:46,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:17:46,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,178 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 23:17:46,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:46,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:17:46,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:17:46,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:17:46,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:17:46,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:17:46,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:17:46,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:17:46,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:46,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:17:46,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:17:46,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:17:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:17:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:17:46,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:17:46,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:46,538 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:46,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:46,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:46,577 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:17:46,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:46 BoogieIcfgContainer [2024-11-08 23:17:46,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:46,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:17:46,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:17:46,603 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:17:46,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:46" (1/1) ... [2024-11-08 23:17:46,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:17:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:17:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:17:46,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:46,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,961 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 23:17:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 23:17:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 23:17:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:17:47,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:47,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:47,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:17:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:47,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:17:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:47,118 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:17:47,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:17:47 ImpRootNode [2024-11-08 23:17:47,144 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:17:47,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:17:47,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:17:47,145 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:17:47,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:46" (3/4) ... [2024-11-08 23:17:47,149 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:17:47,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:17:47,151 INFO L158 Benchmark]: Toolchain (without parser) took 2371.48ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 95.6MB in the end (delta: -20.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-08 23:17:47,152 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:47,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1325.11ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 85.7MB in the end (delta: -10.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:47,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.18ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 82.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:47,154 INFO L158 Benchmark]: Boogie Preprocessor took 23.38ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:47,155 INFO L158 Benchmark]: RCFGBuilder took 388.13ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 119.5MB in the end (delta: -38.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-08 23:17:47,159 INFO L158 Benchmark]: CodeCheck took 551.86ms. Allocated memory is still 151.0MB. Free memory was 119.5MB in the beginning and 95.6MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:47,160 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 151.0MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:47,164 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1548] int CWE190_Integer_Overflow__int_max_postinc_68_badData; [L1549] int CWE190_Integer_Overflow__int_max_postinc_68_goodG2BData; [L1550] int CWE190_Integer_Overflow__int_max_postinc_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_postinc_68_badData=0, CWE190_Integer_Overflow__int_max_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_postinc_68_badData=0, CWE190_Integer_Overflow__int_max_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_max_postinc_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = 0x7fffffff [L1557] CWE190_Integer_Overflow__int_max_postinc_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_max_postinc_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_max_postinc_68_badData; [L1575] data++ VAL [CWE190_Integer_Overflow__int_max_postinc_68_badData=2147483647, CWE190_Integer_Overflow__int_max_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_postinc_68_goodG2BData=0, 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 0.32ms. Allocated memory is still 117.4MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1325.11ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 85.7MB in the end (delta: -10.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.18ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 82.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.38ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.13ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 119.5MB in the end (delta: -38.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 551.86ms. Allocated memory is still 151.0MB. Free memory was 119.5MB in the beginning and 95.6MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 151.0MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:17:47,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/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_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/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_63e7db81-1308-4280-811b-a0de442f0c09/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 e579e6ff49352bb7047953fc067cce7636729348b09084c0d5c3a579ef9920b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:17:49,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:17:49,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:17:49,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:17:49,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:17:49,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:17:49,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:17:49,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:17:49,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:17:49,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:17:49,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:17:49,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:17:49,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:17:49,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:17:49,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:17:49,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:17:49,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:17:49,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:17:49,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:17:49,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:17:49,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:17:49,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:17:49,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:17:49,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:17:49,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:17:49,587 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:49,588 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:17:49,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:17:49,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:49,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:17:49,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:17:49,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:17:49,589 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:17:49,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:49,590 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:17:49,590 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_63e7db81-1308-4280-811b-a0de442f0c09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e579e6ff49352bb7047953fc067cce7636729348b09084c0d5c3a579ef9920b8 [2024-11-08 23:17:49,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:17:50,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:17:50,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:17:50,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:17:50,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:17:50,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i Unable to find full path for "g++" [2024-11-08 23:17:52,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:17:52,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:17:52,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_68_bad.i [2024-11-08 23:17:52,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data/38ad14787/90580e525e73489e9c85a73eb0c89747/FLAG04b7490e4 [2024-11-08 23:17:52,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/data/38ad14787/90580e525e73489e9c85a73eb0c89747 [2024-11-08 23:17:52,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:17:52,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:17:52,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:52,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:17:52,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:17:52,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:52" (1/1) ... [2024-11-08 23:17:52,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5998f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:52, skipping insertion in model container [2024-11-08 23:17:52,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:52" (1/1) ... [2024-11-08 23:17:52,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:17:53,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:53,736 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:17:53,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:54,095 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:17:54,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54 WrapperNode [2024-11-08 23:17:54,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:54,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:54,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:17:54,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:17:54,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,178 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 23:17:54,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:54,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:17:54,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:17:54,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:17:54,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:17:54,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:17:54,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:17:54,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:17:54,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:17:54,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:17:54,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:17:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:17:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:17:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:17:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:17:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:17:54,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:17:54,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:54,604 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:54,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:54,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:54,674 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:17:54,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:54 BoogieIcfgContainer [2024-11-08 23:17:54,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:54,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:17:54,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:17:54,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:17:54,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:54" (1/1) ... [2024-11-08 23:17:54,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:17:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:17:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:17:54,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:54,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:54,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:54,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:54,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:17:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:54,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:54,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:17:54,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:55,005 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 23:17:55,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 23:17:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 23:17:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:17:55,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:55,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:55,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:55,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:55,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:17:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:55,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:17:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:55,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:17:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:55,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:17:55,331 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:17:55,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:17:55 ImpRootNode [2024-11-08 23:17:55,361 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:17:55,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:17:55,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:17:55,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:17:55,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:54" (3/4) ... [2024-11-08 23:17:55,365 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:17:55,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:17:55,368 INFO L158 Benchmark]: Toolchain (without parser) took 2842.47ms. Allocated memory was 81.8MB in the beginning and 125.8MB in the end (delta: 44.0MB). Free memory was 36.5MB in the beginning and 79.4MB in the end (delta: -42.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-08 23:17:55,370 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:55,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.92ms. Allocated memory was 81.8MB in the beginning and 125.8MB in the end (delta: 44.0MB). Free memory was 36.2MB in the beginning and 83.9MB in the end (delta: -47.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-08 23:17:55,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.77ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:17:55,371 INFO L158 Benchmark]: Boogie Preprocessor took 43.68ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 79.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:55,373 INFO L158 Benchmark]: RCFGBuilder took 449.91ms. Allocated memory is still 125.8MB. Free memory was 79.0MB in the beginning and 63.0MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:17:55,374 INFO L158 Benchmark]: CodeCheck took 686.17ms. Allocated memory is still 125.8MB. Free memory was 63.0MB in the beginning and 79.4MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:55,374 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 125.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:55,378 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 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, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 31 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_max_postinc_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = 0x7fffffff [L1557] CWE190_Integer_Overflow__int_max_postinc_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_max_postinc_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_max_postinc_68_badData; [L1575] data++ VAL [CWE190_Integer_Overflow__int_max_postinc_68_badData=2147483647, 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 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.92ms. Allocated memory was 81.8MB in the beginning and 125.8MB in the end (delta: 44.0MB). Free memory was 36.2MB in the beginning and 83.9MB in the end (delta: -47.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.77ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.68ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 79.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.91ms. Allocated memory is still 125.8MB. Free memory was 79.0MB in the beginning and 63.0MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 686.17ms. Allocated memory is still 125.8MB. Free memory was 63.0MB in the beginning and 79.4MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 125.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:17:55,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e7db81-1308-4280-811b-a0de442f0c09/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 Result: UNKNOWN: Overapproximated counterexample