./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm --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 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:39,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:39,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:07:39,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:39,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:39,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:39,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:39,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:39,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:39,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:39,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:39,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:39,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:39,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:39,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:39,202 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:39,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:39,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm 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 -> 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 [2024-11-13 21:07:39,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:39,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:39,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:39,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:39,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:39,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i Unable to find full path for "g++" [2024-11-13 21:07:41,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:41,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:41,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i [2024-11-13 21:07:41,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data/29f7c7f35/f5adbf1548144af3b07b84c48e0c4f70/FLAGfca15f3b5 [2024-11-13 21:07:42,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data/29f7c7f35/f5adbf1548144af3b07b84c48e0c4f70 [2024-11-13 21:07:42,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:42,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:42,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:42,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:42,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:42,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:42" (1/1) ... [2024-11-13 21:07:42,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63aeca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:42, skipping insertion in model container [2024-11-13 21:07:42,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:42" (1/1) ... [2024-11-13 21:07:42,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:42,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:42,989 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:43,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:43,261 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:43,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43 WrapperNode [2024-11-13 21:07:43,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:43,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:43,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:43,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:43,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,307 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 21:07:43,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:43,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:43,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:43,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:43,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:43,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:43,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:43,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:43,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:43,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:43,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:43,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:07:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:07:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:43,586 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:43,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:43,672 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:43,673 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:43,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:43,739 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:07:43,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:43 BoogieIcfgContainer [2024-11-13 21:07:43,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:43,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:43,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:43,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:43,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:43" (1/1) ... [2024-11-13 21:07:43,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:07:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:07:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:07:43,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:43,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:44,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:44,054 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:07:44,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:44 ImpRootNode [2024-11-13 21:07:44,083 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:44,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:44,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:44,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:44,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:43" (3/4) ... [2024-11-13 21:07:44,091 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:44,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:44,094 INFO L158 Benchmark]: Toolchain (without parser) took 2044.90ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 50.1MB in the end (delta: 38.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 21:07:44,095 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:44,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1212.50ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 80.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:07:44,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.10ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:44,099 INFO L158 Benchmark]: Boogie Preprocessor took 20.04ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 77.0MB in the end (delta: 716.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:44,099 INFO L158 Benchmark]: RCFGBuilder took 411.23ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 64.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:44,099 INFO L158 Benchmark]: CodeCheck took 342.81ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 50.8MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:07:44,100 INFO L158 Benchmark]: Witness Printer took 8.36ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 50.1MB in the end (delta: 703.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:44,103 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1212.50ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 80.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.10ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.04ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 77.0MB in the end (delta: 716.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.23ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 64.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 342.81ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 50.8MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.36ms. Allocated memory is still 117.4MB. Free memory was 50.8MB in the beginning and 50.1MB in the end (delta: 703.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:07:44,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm --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 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:46,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:46,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:07:46,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:46,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:46,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:46,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:46,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:46,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:46,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:46,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:46,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:46,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:46,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:46,979 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:46,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:46,980 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:46,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:46,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:46,981 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:46,981 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:07:46,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:46,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:46,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:46,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:46,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:46,982 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:07:46,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:46,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:07:46,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm 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 -> 80c5caf162c8e9471d6c151398889eef247440032fc67884c4fcfaf133db5196 [2024-11-13 21:07:47,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:47,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:47,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:47,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:47,331 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:47,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i Unable to find full path for "g++" [2024-11-13 21:07:49,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:49,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:49,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_bad.i [2024-11-13 21:07:49,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data/66b275af1/d0095c308f7c411d9df1f26b1fd31ca4/FLAG3452e21c2 [2024-11-13 21:07:49,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/data/66b275af1/d0095c308f7c411d9df1f26b1fd31ca4 [2024-11-13 21:07:49,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:49,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:49,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:49,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:49,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:49,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:49" (1/1) ... [2024-11-13 21:07:49,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bae6238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:49, skipping insertion in model container [2024-11-13 21:07:49,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:49" (1/1) ... [2024-11-13 21:07:49,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:50,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:50,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:51,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:51,169 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:51,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51 WrapperNode [2024-11-13 21:07:51,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:51,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:51,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:51,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:51,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,239 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 21:07:51,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:51,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:51,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:51,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:51,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:51,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:51,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:51,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:51,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:51,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:51,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:51,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:07:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:07:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:51,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:51,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:51,624 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:51,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:51,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:51,671 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:07:51,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:51 BoogieIcfgContainer [2024-11-13 21:07:51,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:51,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:51,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:51,683 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:51,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:51" (1/1) ... [2024-11-13 21:07:51,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:07:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:07:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:07:51,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:51,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:51,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:51,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:07:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:51,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:52,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:52,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:07:52,059 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:07:52,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:52 ImpRootNode [2024-11-13 21:07:52,096 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:52,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:52,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:52,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:52,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:51" (3/4) ... [2024-11-13 21:07:52,102 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:52,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:52,107 INFO L158 Benchmark]: Toolchain (without parser) took 2193.76ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 47.8MB in the end (delta: 43.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 21:07:52,107 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:52,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1258.16ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.3MB in the end (delta: 10.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:07:52,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.61ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:52,108 INFO L158 Benchmark]: Boogie Preprocessor took 41.71ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:52,109 INFO L158 Benchmark]: RCFGBuilder took 389.35ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 60.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:07:52,109 INFO L158 Benchmark]: CodeCheck took 424.39ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 48.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:52,109 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 47.8MB in the end (delta: 653.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:52,116 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1258.16ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.3MB in the end (delta: 10.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.61ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.71ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.35ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 60.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 424.39ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 48.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 47.8MB in the end (delta: 653.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:07:52,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9741b1b1-a5a5-4a29-8995-570c820ec81c/bin/ukojak-verify-EEHR8qb7sm/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