./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_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_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/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_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/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_ff956dc5-949f-47e2-868e-1b535e554e5c/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 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:20:45,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:20:45,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:20:45,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:20:45,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:20:45,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:20:45,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:20:45,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:20:45,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:20:45,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:20:45,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:20:45,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:20:45,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:20:45,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:20:45,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:20:45,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:20:45,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:20:45,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:20:45,381 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:20:45,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:20:45,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:20:45,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:20:45,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:20:45,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:20:45,391 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:20:45,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:20:45,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:20:45,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:20:45,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:20:45,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:20:45,392 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:20:45,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:20:45,393 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_ff956dc5-949f-47e2-868e-1b535e554e5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 [2024-11-09 00:20:45,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:20:45,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:20:45,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:20:45,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:20:45,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:20:45,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i Unable to find full path for "g++" [2024-11-09 00:20:47,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:20:47,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:20:47,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i [2024-11-09 00:20:47,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data/a7bd9007b/049d3713022f42ed9564db76e60cd15f/FLAGff40b231d [2024-11-09 00:20:48,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data/a7bd9007b/049d3713022f42ed9564db76e60cd15f [2024-11-09 00:20:48,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:20:48,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:20:48,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:20:48,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:20:48,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:20:48,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:48" (1/1) ... [2024-11-09 00:20:48,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318950cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:48, skipping insertion in model container [2024-11-09 00:20:48,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:48" (1/1) ... [2024-11-09 00:20:48,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:20:49,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:20:49,405 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:20:49,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:20:49,714 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:20:49,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49 WrapperNode [2024-11-09 00:20:49,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:20:49,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:20:49,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:20:49,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:20:49,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,772 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 49 [2024-11-09 00:20:49,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:20:49,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:20:49,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:20:49,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:20:49,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:20:49,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:20:49,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:20:49,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:20:49,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:49" (1/1) ... [2024-11-09 00:20:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:20:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:20:49,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:20:49,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:20:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:20:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:20:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:20:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:20:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:20:50,012 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:20:50,014 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:20:50,118 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 00:20:50,118 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:20:50,158 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:20:50,159 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:20:50,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:50 BoogieIcfgContainer [2024-11-09 00:20:50,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:20:50,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:20:50,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:20:50,171 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:20:50,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:50" (1/1) ... [2024-11-09 00:20:50,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:20:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:20:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:20:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:20:50,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:50,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:20:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:50,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:20:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:50,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:20:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:50,483 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:20:50,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:20:50 ImpRootNode [2024-11-09 00:20:50,508 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:20:50,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:20:50,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:20:50,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:20:50,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:50" (3/4) ... [2024-11-09 00:20:50,515 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:20:50,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:20:50,517 INFO L158 Benchmark]: Toolchain (without parser) took 2290.69ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 80.1MB in the end (delta: 51.7MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-09 00:20:50,518 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 64.5MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:50,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1487.04ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 113.6MB in the end (delta: 17.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-09 00:20:50,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.26ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 110.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:20:50,519 INFO L158 Benchmark]: Boogie Preprocessor took 25.08ms. Allocated memory is still 169.9MB. Free memory was 110.7MB in the beginning and 109.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:20:50,520 INFO L158 Benchmark]: RCFGBuilder took 360.34ms. Allocated memory is still 169.9MB. Free memory was 109.5MB in the beginning and 95.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:20:50,523 INFO L158 Benchmark]: CodeCheck took 347.60ms. Allocated memory is still 169.9MB. Free memory was 95.7MB in the beginning and 80.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:20:50,524 INFO L158 Benchmark]: Witness Printer took 7.92ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:50,528 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52c_badSink(data) [L1572] 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 0.34ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 64.5MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1487.04ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 113.6MB in the end (delta: 17.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.26ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 110.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.08ms. Allocated memory is still 169.9MB. Free memory was 110.7MB in the beginning and 109.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.34ms. Allocated memory is still 169.9MB. Free memory was 109.5MB in the beginning and 95.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 347.60ms. Allocated memory is still 169.9MB. Free memory was 95.7MB in the beginning and 80.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.92ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:20:50,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/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_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/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_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/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_ff956dc5-949f-47e2-868e-1b535e554e5c/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 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:20:53,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:20:53,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:20:53,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:20:53,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:20:53,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:20:53,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:20:53,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:20:53,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:20:53,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:20:53,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:20:53,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:20:53,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:20:53,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:20:53,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:20:53,227 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:20:53,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:20:53,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:20:53,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:20:53,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:20:53,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:20:53,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:20:53,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:20:53,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:20:53,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:20:53,234 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:53,234 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:20:53,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:20:53,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:20:53,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:20:53,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:20:53,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:20:53,236 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:20:53,237 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:53,238 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:20:53,238 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_ff956dc5-949f-47e2-868e-1b535e554e5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf3aa12f2c4a1716f09059ff7644a3e029400e37768765cd2add767948dc3c8 [2024-11-09 00:20:53,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:20:53,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:20:53,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:20:53,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:20:53,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:20:53,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i Unable to find full path for "g++" [2024-11-09 00:20:55,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:20:56,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:20:56,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_52_bad.i [2024-11-09 00:20:56,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data/d1fa6031c/a58971a469874f5590c972584f576c6f/FLAGc06653ad1 [2024-11-09 00:20:56,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/data/d1fa6031c/a58971a469874f5590c972584f576c6f [2024-11-09 00:20:56,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:20:56,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:20:56,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:20:56,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:20:56,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:20:56,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:56" (1/1) ... [2024-11-09 00:20:56,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc6e273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:56, skipping insertion in model container [2024-11-09 00:20:56,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:56" (1/1) ... [2024-11-09 00:20:56,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:20:57,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:20:57,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:20:57,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:20:58,196 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:20:58,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58 WrapperNode [2024-11-09 00:20:58,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:20:58,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:20:58,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:20:58,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:20:58,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,266 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-09 00:20:58,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:20:58,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:20:58,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:20:58,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:20:58,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:20:58,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:20:58,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:20:58,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:20:58,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:20:58,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:20:58,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:20:58,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:20:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:20:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:20:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:20:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:20:58,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:20:58,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:20:58,609 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:20:58,772 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 00:20:58,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:20:58,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:20:58,847 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:20:58,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:58 BoogieIcfgContainer [2024-11-09 00:20:58,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:20:58,848 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:20:58,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:20:58,859 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:20:58,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:58" (1/1) ... [2024-11-09 00:20:58,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:20:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:20:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:20:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:20:58,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:58,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:58,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:58,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:58,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:20:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:59,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:20:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:59,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:20:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:20:59,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:59,321 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:20:59,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:20:59 ImpRootNode [2024-11-09 00:20:59,349 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:20:59,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:20:59,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:20:59,350 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:20:59,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:58" (3/4) ... [2024-11-09 00:20:59,353 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:20:59,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:20:59,355 INFO L158 Benchmark]: Toolchain (without parser) took 2941.32ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 41.2MB in the beginning and 65.5MB in the end (delta: -24.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-09 00:20:59,356 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 69.2MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:59,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.84ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 69.9MB in the end (delta: -28.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-09 00:20:59,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.42ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 66.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:20:59,358 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:20:59,358 INFO L158 Benchmark]: RCFGBuilder took 549.55ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 48.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:20:59,359 INFO L158 Benchmark]: CodeCheck took 501.12ms. Allocated memory is still 98.6MB. Free memory was 48.3MB in the beginning and 66.1MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:59,359 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 98.6MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:59,369 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_52c_badSink(data) [L1572] 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 0.50ms. Allocated memory is still 69.2MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.84ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 69.9MB in the end (delta: -28.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.42ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 66.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.55ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 48.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 501.12ms. Allocated memory is still 98.6MB. Free memory was 48.3MB in the beginning and 66.1MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 98.6MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:20:59,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff956dc5-949f-47e2-868e-1b535e554e5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample