./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:24,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:24,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:08:24,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:08:24,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:08:24,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:24,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:24,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:24,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:24,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:24,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:24,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:24,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:08:24,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:24,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:24,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:24,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:24,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:24,802 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:24,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:24,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:24,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:24,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:24,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:24,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:24,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:24,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:24,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:24,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:24,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:24,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:08:24,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:08:24,813 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_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac [2024-11-08 22:08:25,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:25,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:25,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:25,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:25,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:25,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i Unable to find full path for "g++" [2024-11-08 22:08:27,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:27,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:27,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2024-11-08 22:08:27,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data/426b240be/3346362b63a7496eac2e3b0efb90a403/FLAGae8b52041 [2024-11-08 22:08:27,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data/426b240be/3346362b63a7496eac2e3b0efb90a403 [2024-11-08 22:08:27,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:27,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:27,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:27,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:27,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:27,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:27" (1/1) ... [2024-11-08 22:08:27,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6692cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:27, skipping insertion in model container [2024-11-08 22:08:27,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:27" (1/1) ... [2024-11-08 22:08:27,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:29,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:29,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:29,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:29,287 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:29,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29 WrapperNode [2024-11-08 22:08:29,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:29,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:29,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:29,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:29,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,341 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-08 22:08:29,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:29,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:29,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:29,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:29,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:29,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:29,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:29,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:29,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:29,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:29,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:29,502 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:08:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:08:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:29,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:29,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:29,864 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:29,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:29,953 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:29,953 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:29,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:29 BoogieIcfgContainer [2024-11-08 22:08:29,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:29,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:29,957 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:29,968 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:29,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:08:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:08:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:08:30,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:30,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,356 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:08:30,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:30 ImpRootNode [2024-11-08 22:08:30,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:30,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:30,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:30,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:30,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:29" (3/4) ... [2024-11-08 22:08:30,403 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:08:30,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:30,407 INFO L158 Benchmark]: Toolchain (without parser) took 2505.72ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 119.6MB in the end (delta: 18.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,408 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:30,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1385.85ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 75.5MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.48ms. Allocated memory is still 178.3MB. Free memory was 75.5MB in the beginning and 72.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,411 INFO L158 Benchmark]: Boogie Preprocessor took 41.69ms. Allocated memory is still 178.3MB. Free memory was 72.7MB in the beginning and 71.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,414 INFO L158 Benchmark]: RCFGBuilder took 571.44ms. Allocated memory is still 178.3MB. Free memory was 71.3MB in the beginning and 135.3MB in the end (delta: -64.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,414 INFO L158 Benchmark]: CodeCheck took 438.45ms. Allocated memory is still 178.3MB. Free memory was 135.3MB in the beginning and 120.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,416 INFO L158 Benchmark]: Witness Printer took 9.44ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 974.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:30,421 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: 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_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] 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 0.40ms. Allocated memory is still 121.6MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1385.85ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 75.5MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.48ms. Allocated memory is still 178.3MB. Free memory was 75.5MB in the beginning and 72.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.69ms. Allocated memory is still 178.3MB. Free memory was 72.7MB in the beginning and 71.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.44ms. Allocated memory is still 178.3MB. Free memory was 71.3MB in the beginning and 135.3MB in the end (delta: -64.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * CodeCheck took 438.45ms. Allocated memory is still 178.3MB. Free memory was 135.3MB in the beginning and 120.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.44ms. Allocated memory is still 178.3MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 974.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:08:30,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:33,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:33,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:08:33,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:33,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:33,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:33,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:33,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:33,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:33,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:33,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:33,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:33,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:33,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:33,334 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:08:33,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:08:33,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:33,335 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:33,335 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:08:33,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:33,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:33,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:33,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:33,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:33,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:33,339 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:33,339 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:08:33,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:33,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:33,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:33,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:33,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:33,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:08:33,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:33,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:08:33,343 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_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac [2024-11-08 22:08:33,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:33,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:33,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:33,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:33,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:33,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i Unable to find full path for "g++" [2024-11-08 22:08:36,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:36,518 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:36,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2024-11-08 22:08:36,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data/01a84ef04/cca7b5643802499087c2808129230182/FLAG02ea89fe0 [2024-11-08 22:08:36,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/data/01a84ef04/cca7b5643802499087c2808129230182 [2024-11-08 22:08:36,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:36,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:36,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:36,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:36,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:36,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:36" (1/1) ... [2024-11-08 22:08:36,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a485781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:36, skipping insertion in model container [2024-11-08 22:08:36,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:36" (1/1) ... [2024-11-08 22:08:36,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:37,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:37,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:37,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:38,121 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:38,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38 WrapperNode [2024-11-08 22:08:38,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:38,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:38,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:38,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:38,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,189 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 22:08:38,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:38,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:38,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:38,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:38,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:38,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:38,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:38,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:38,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:38,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:38,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:08:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:08:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:38,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:38,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:38,818 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:38,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:38,946 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:38,946 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:38,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:38 BoogieIcfgContainer [2024-11-08 22:08:38,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:38,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:38,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:38,960 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:38,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:38" (1/1) ... [2024-11-08 22:08:38,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:08:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:08:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:08:39,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:39,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:39,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:39,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:39,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:08:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:39,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:39,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:39,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:08:39,474 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:08:39,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:39 ImpRootNode [2024-11-08 22:08:39,518 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:39,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:39,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:39,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:39,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:38" (3/4) ... [2024-11-08 22:08:39,526 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:08:39,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:39,529 INFO L158 Benchmark]: Toolchain (without parser) took 2949.60ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.9MB in the beginning and 54.2MB in the end (delta: -3.3MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-08 22:08:39,530 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:39,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1539.72ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.7MB in the beginning and 63.7MB in the end (delta: -13.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-08 22:08:39,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.45ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 60.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:08:39,532 INFO L158 Benchmark]: Boogie Preprocessor took 38.78ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:39,534 INFO L158 Benchmark]: RCFGBuilder took 717.38ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 67.8MB in the end (delta: -9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:08:39,535 INFO L158 Benchmark]: CodeCheck took 570.42ms. Allocated memory is still 98.6MB. Free memory was 67.8MB in the beginning and 54.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:08:39,536 INFO L158 Benchmark]: Witness Printer took 8.89ms. Allocated memory is still 98.6MB. Free memory was 54.7MB in the beginning and 54.2MB in the end (delta: 490.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:39,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 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_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] 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 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1539.72ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.7MB in the beginning and 63.7MB in the end (delta: -13.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.45ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 60.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.78ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.38ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 67.8MB in the end (delta: -9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 570.42ms. Allocated memory is still 98.6MB. Free memory was 67.8MB in the beginning and 54.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.89ms. Allocated memory is still 98.6MB. Free memory was 54.7MB in the beginning and 54.2MB in the end (delta: 490.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:08:39,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00609a22-c9c5-4b9c-bddb-cd6f66b6205d/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