./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a83bbe71d95f90bda7be75f87886bf3447de0fd6d22250a6029d14606d039a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:01:40,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:01:40,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:01:40,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:01:40,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:01:40,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:01:40,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:01:40,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:01:40,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:01:40,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:01:40,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:01:40,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:01:40,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:01:40,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:01:40,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:01:40,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:01:40,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:01:40,593 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:01:40,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:01:40,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:40,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:01:40,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:01:40,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:01:40,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:01:40,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:01:40,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a83bbe71d95f90bda7be75f87886bf3447de0fd6d22250a6029d14606d039a3 [2024-11-13 22:01:40,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:01:40,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:01:40,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:01:40,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:01:40,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:01:40,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i Unable to find full path for "g++" [2024-11-13 22:01:42,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:01:43,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:01:43,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i [2024-11-13 22:01:43,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data/b059fec92/269e93b80631441ebf5f735cdd2949c7/FLAG7b586b394 [2024-11-13 22:01:43,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data/b059fec92/269e93b80631441ebf5f735cdd2949c7 [2024-11-13 22:01:43,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:01:43,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:01:43,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:43,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:01:43,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:01:43,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:43" (1/1) ... [2024-11-13 22:01:43,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c18938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:43, skipping insertion in model container [2024-11-13 22:01:43,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:43" (1/1) ... [2024-11-13 22:01:43,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:01:44,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:44,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:01:44,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:45,045 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:01:45,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45 WrapperNode [2024-11-13 22:01:45,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:45,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:45,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:01:45,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:01:45,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,098 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-13 22:01:45,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:45,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:01:45,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:01:45,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:01:45,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:01:45,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:01:45,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:01:45,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:01:45,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:45,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:01:45,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:01:45,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:01:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:01:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:01:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:01:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:01:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:01:45,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:01:45,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:45,634 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:45,634 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:45,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:45,681 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:01:45,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:45 BoogieIcfgContainer [2024-11-13 22:01:45,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:45,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:45,682 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:45,696 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:45,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:45" (1/1) ... [2024-11-13 22:01:45,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:01:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:01:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:01:45,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:45,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:45,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:46,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:46,219 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:01:46,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:01:46 ImpRootNode [2024-11-13 22:01:46,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:01:46,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:01:46,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:01:46,275 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:01:46,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:45" (3/4) ... [2024-11-13 22:01:46,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:01:46,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:01:46,283 INFO L158 Benchmark]: Toolchain (without parser) took 2666.29ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 93.2MB in the end (delta: 22.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 22:01:46,284 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:46,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1428.93ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 56.2MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:01:46,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.77ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:01:46,286 INFO L158 Benchmark]: Boogie Preprocessor took 23.94ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 52.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:46,286 INFO L158 Benchmark]: RCFGBuilder took 557.20ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 108.0MB in the end (delta: -55.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 22:01:46,287 INFO L158 Benchmark]: CodeCheck took 591.23ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 93.2MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:01:46,287 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory is still 142.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:46,292 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, 21 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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: 1566]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 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 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1428.93ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 56.2MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.77ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.94ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 52.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 557.20ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 108.0MB in the end (delta: -55.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 591.23ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 93.2MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory is still 142.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:01:46,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a83bbe71d95f90bda7be75f87886bf3447de0fd6d22250a6029d14606d039a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:01:49,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:01:49,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:01:49,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:01:49,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:01:49,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:01:49,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:01:49,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:01:49,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:01:49,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:01:49,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:01:49,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:01:49,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:01:49,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:01:49,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:49,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:01:49,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:01:49,479 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:01:49,479 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:49,479 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:01:49,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a83bbe71d95f90bda7be75f87886bf3447de0fd6d22250a6029d14606d039a3 [2024-11-13 22:01:49,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:01:49,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:01:49,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:01:49,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:01:49,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:01:49,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i Unable to find full path for "g++" [2024-11-13 22:01:52,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:01:52,709 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:01:52,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_15_bad.i [2024-11-13 22:01:52,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data/d40629653/6b17bb4918384071bb65b4b90a951ccf/FLAG64ceba664 [2024-11-13 22:01:52,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/data/d40629653/6b17bb4918384071bb65b4b90a951ccf [2024-11-13 22:01:52,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:01:52,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:01:52,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:52,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:01:52,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:01:52,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:52" (1/1) ... [2024-11-13 22:01:52,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4304295a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:52, skipping insertion in model container [2024-11-13 22:01:52,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:52" (1/1) ... [2024-11-13 22:01:52,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:01:54,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:54,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:01:54,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:54,406 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:01:54,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54 WrapperNode [2024-11-13 22:01:54,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:54,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:54,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:01:54,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:01:54,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,490 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 22:01:54,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:54,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:01:54,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:01:54,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:01:54,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:01:54,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:01:54,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:01:54,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:01:54,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:54" (1/1) ... [2024-11-13 22:01:54,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:54,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:01:54,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:01:54,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:01:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:01:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:01:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:01:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:01:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:01:54,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:01:54,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:54,986 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:54,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:55,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:55,069 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:01:55,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:55 BoogieIcfgContainer [2024-11-13 22:01:55,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:55,072 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:55,072 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:55,087 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:55,088 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:55" (1/1) ... [2024-11-13 22:01:55,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:01:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:01:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:01:55,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:55,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:55,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:55,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:55,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:01:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:55,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:55,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:55,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:01:55,589 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:01:55,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:01:55 ImpRootNode [2024-11-13 22:01:55,632 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:01:55,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:01:55,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:01:55,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:01:55,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:55" (3/4) ... [2024-11-13 22:01:55,639 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:01:55,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:01:55,644 INFO L158 Benchmark]: Toolchain (without parser) took 2845.91ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 84.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-13 22:01:55,645 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:55,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1607.98ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 69.8MB in the end (delta: 19.8MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 22:01:55,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.69ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 66.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:55,646 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:55,647 INFO L158 Benchmark]: RCFGBuilder took 545.01ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 49.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:01:55,647 INFO L158 Benchmark]: CodeCheck took 560.97ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 84.4MB in the end (delta: -35.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 22:01:55,648 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:55,650 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, 21 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, 10 NumberOfCodeBlocks, 10 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: 1566]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1607.98ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 69.8MB in the end (delta: 19.8MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.69ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 66.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.01ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 49.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 560.97ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 84.4MB in the end (delta: -35.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:01:55,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe2ac55-d2bb-4507-911b-4f414c00cef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample