./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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 efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:45:18,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:18,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:45:18,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:45:18,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:45:18,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:18,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:18,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:18,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:18,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:18,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:18,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:18,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:45:18,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:18,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:18,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:18,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:18,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:18,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:45:18,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:45:18,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:18,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:18,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:18,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:18,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:18,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:18,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:18,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:18,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:18,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:18,636 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:45:18,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:45:18,646 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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e [2024-11-08 23:45:18,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:18,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:18,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:18,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:18,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:18,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i Unable to find full path for "g++" [2024-11-08 23:45:20,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:21,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:21,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i [2024-11-08 23:45:21,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data/6480143b0/1fd2f198fcb2481a8bf2d63b27c354e3/FLAGd5c8678d6 [2024-11-08 23:45:21,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data/6480143b0/1fd2f198fcb2481a8bf2d63b27c354e3 [2024-11-08 23:45:21,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:21,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:21,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:21,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:21,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:21,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:21" (1/1) ... [2024-11-08 23:45:21,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef7f546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:21, skipping insertion in model container [2024-11-08 23:45:21,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:21" (1/1) ... [2024-11-08 23:45:21,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:22,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:22,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:23,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:23,222 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:23,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23 WrapperNode [2024-11-08 23:45:23,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:23,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:23,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:23,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:23,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,289 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 23:45:23,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:23,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:23,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:23,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:23,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:23,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:23,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:23,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:23,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:23,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:23,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:23,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:45:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:23,621 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:23,624 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:23,742 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:23,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:23,797 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:23,799 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:45:23,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:23 BoogieIcfgContainer [2024-11-08 23:45:23,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:23,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:23,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:23,812 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:23,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:23" (1/1) ... [2024-11-08 23:45:23,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:45:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:45:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:45:23,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:23,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:24,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:24,100 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:45:24,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:45:24 ImpRootNode [2024-11-08 23:45:24,130 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:45:24,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:45:24,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:45:24,131 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:45:24,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:23" (3/4) ... [2024-11-08 23:45:24,135 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:45:24,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:45:24,137 INFO L158 Benchmark]: Toolchain (without parser) took 2561.20ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 99.4MB in the beginning and 103.0MB in the end (delta: -3.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,138 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 144.7MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:24,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1647.11ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 99.1MB in the beginning and 135.5MB in the end (delta: -36.5MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.14ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 133.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,140 INFO L158 Benchmark]: Boogie Preprocessor took 31.88ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,140 INFO L158 Benchmark]: RCFGBuilder took 471.54ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 117.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,141 INFO L158 Benchmark]: CodeCheck took 329.52ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 103.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,141 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 176.2MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:24,145 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: 0.3s, 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- 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 0.22ms. Allocated memory is still 144.7MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1647.11ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 99.1MB in the beginning and 135.5MB in the end (delta: -36.5MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.14ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 133.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.88ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 131.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.54ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 117.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 329.52ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 103.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 176.2MB. Free memory is still 103.0MB. 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 23:45:24,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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 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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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 efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:45:26,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:26,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:45:26,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:26,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:26,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:26,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:26,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:26,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:26,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:26,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:26,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:26,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:26,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:26,876 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:45:26,876 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:45:26,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:26,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:45:26,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:45:26,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:45:26,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:26,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:26,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:26,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:26,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:26,880 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:26,880 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:45:26,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:26,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:26,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:26,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:26,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:26,886 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:45:26,887 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:26,887 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:45:26,887 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_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdbbfbe3f5a563ba897958f3304bc38fc550c7cf92a374e14d4dbbb403be10e [2024-11-08 23:45:27,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:27,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:27,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:27,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:27,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:27,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i Unable to find full path for "g++" [2024-11-08 23:45:29,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:30,138 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:30,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_31_bad.i [2024-11-08 23:45:30,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data/d1406f6b8/744a2dffdb48407bb5fee131b7b2b46e/FLAG66b883816 [2024-11-08 23:45:30,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/data/d1406f6b8/744a2dffdb48407bb5fee131b7b2b46e [2024-11-08 23:45:30,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:30,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:30,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:30,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:30,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:30,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:30" (1/1) ... [2024-11-08 23:45:30,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd23201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:30, skipping insertion in model container [2024-11-08 23:45:30,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:30" (1/1) ... [2024-11-08 23:45:30,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:31,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:31,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:31,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:31,970 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:31,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31 WrapperNode [2024-11-08 23:45:31,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:31,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:31,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:31,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:31,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,063 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 23:45:32,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:32,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:32,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:32,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:32,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:32,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:32,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:32,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:32,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:32,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:32,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:32,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:45:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:45:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:32,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:32,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:32,591 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:32,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:32,699 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:32,700 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:45:32,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32 BoogieIcfgContainer [2024-11-08 23:45:32,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:32,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:32,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:32,725 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:32,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32" (1/1) ... [2024-11-08 23:45:32,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:45:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:45:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:45:32,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:32,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:32,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:32,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:45:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:33,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:33,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:33,139 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:45:33,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:45:33,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:45:33 ImpRootNode [2024-11-08 23:45:33,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:45:33,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:45:33,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:45:33,179 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:45:33,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32" (3/4) ... [2024-11-08 23:45:33,184 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:45:33,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:45:33,186 INFO L158 Benchmark]: Toolchain (without parser) took 2980.96ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 42.0MB in the beginning and 43.3MB in the end (delta: -1.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-08 23:45:33,187 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:33,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.44ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.8MB in the beginning and 53.6MB in the end (delta: -11.8MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:33,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.76ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:33,191 INFO L158 Benchmark]: Boogie Preprocessor took 54.61ms. Allocated memory is still 90.2MB. Free memory was 50.4MB in the beginning and 48.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:33,192 INFO L158 Benchmark]: RCFGBuilder took 580.06ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 56.9MB in the end (delta: -8.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:33,193 INFO L158 Benchmark]: CodeCheck took 474.83ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 43.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:33,194 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 90.2MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:33,199 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: 0.4s, 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- 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 0.29ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.44ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.8MB in the beginning and 53.6MB in the end (delta: -11.8MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.76ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.61ms. Allocated memory is still 90.2MB. Free memory was 50.4MB in the beginning and 48.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.06ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 56.9MB in the end (delta: -8.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 474.83ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 43.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 90.2MB. Free memory is still 43.3MB. 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 23:45:33,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6f7c22-b3ae-4197-bf36-dc0f9c6e7ce3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample