./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:35:41,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:35:41,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:35:41,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:35:41,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:35:41,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:35:41,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:35:41,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:35:41,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:35:41,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:35:41,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:35:41,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:35:41,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:35:41,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:35:41,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:35:41,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:35:41,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:35:41,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:35:41,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:35:41,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:35:41,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:35:41,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:35:41,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:35:41,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:35:41,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:35:41,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:35:41,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:35:41,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:35:41,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:35:41,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:35:41,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:35:41,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:35:41,411 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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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 -> 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 [2024-11-13 16:35:41,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:35:41,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:35:41,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:35:41,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:35:41,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:35:41,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i Unable to find full path for "g++" [2024-11-13 16:35:43,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:35:44,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:35:44,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i [2024-11-13 16:35:44,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data/554c77d8b/54d147cf73b745ed999b301f02e4a2a5/FLAG0f07d0dd4 [2024-11-13 16:35:44,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data/554c77d8b/54d147cf73b745ed999b301f02e4a2a5 [2024-11-13 16:35:44,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:35:44,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:35:44,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:35:44,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:35:44,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:35:44,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:35:44" (1/1) ... [2024-11-13 16:35:44,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5dfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:44, skipping insertion in model container [2024-11-13 16:35:44,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:35:44" (1/1) ... [2024-11-13 16:35:44,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:35:45,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:35:45,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:35:45,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:35:46,005 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:35:46,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46 WrapperNode [2024-11-13 16:35:46,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:35:46,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:35:46,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:35:46,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:35:46,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,095 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 16:35:46,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:35:46,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:35:46,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:35:46,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:35:46,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:35:46,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:35:46,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:35:46,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:35:46,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:46" (1/1) ... [2024-11-13 16:35:46,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:35:46,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:35:46,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:35:46,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:35:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:35:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:35:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:35:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:35:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:35:46,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:35:46,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:35:46,794 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 16:35:46,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:35:47,182 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:35:47,182 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:35:47,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:47 BoogieIcfgContainer [2024-11-13 16:35:47,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:35:47,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:35:47,184 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:35:47,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:35:47,197 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:47" (1/1) ... [2024-11-13 16:35:47,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:35:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:35:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:35:47,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:47,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:47,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:35:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:47,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:35:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:48,061 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:35:48,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:35:48 ImpRootNode [2024-11-13 16:35:48,099 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:35:48,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:35:48,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:35:48,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:35:48,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:47" (3/4) ... [2024-11-13 16:35:48,104 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:35:48,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:35:48,107 INFO L158 Benchmark]: Toolchain (without parser) took 3579.78ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 108.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 16:35:48,107 INFO L158 Benchmark]: CDTParser took 3.10ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:48,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.26ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 55.7MB in the end (delta: 60.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 16:35:48,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.62ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 52.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:35:48,109 INFO L158 Benchmark]: Boogie Preprocessor took 43.44ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 51.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:48,110 INFO L158 Benchmark]: RCFGBuilder took 1042.03ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 79.3MB in the end (delta: -27.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 16:35:48,110 INFO L158 Benchmark]: CodeCheck took 916.08ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 109.7MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:48,111 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.9MB in the end (delta: 803.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:48,114 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 7 NumberOfCodeBlocks, 7 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: 1560]: 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 1568, overapproximation of bitwiseOr at line 1555. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 3.10ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.26ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 55.7MB in the end (delta: 60.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.62ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 52.8MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.44ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 51.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1042.03ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 79.3MB in the end (delta: -27.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 916.08ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 109.7MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.9MB in the end (delta: 803.4kB). 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 16:35:48,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:35:51,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:35:51,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:35:51,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:35:51,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:35:51,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:35:51,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:35:51,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:35:51,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:35:51,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:35:51,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:35:51,646 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:35:51,647 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:35:51,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:35:51,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:35:51,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:35:51,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:35:51,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:35:51,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:35:51,648 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:35:51,648 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:35:51,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:35:51,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:35:51,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:35:51,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:35:51,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:35:51,649 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:35:51,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:35:51,649 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:35:51,649 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_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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 -> 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 [2024-11-13 16:35:52,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:35:52,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:35:52,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:35:52,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:35:52,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:35:52,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i Unable to find full path for "g++" [2024-11-13 16:35:54,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:35:54,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:35:54,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i [2024-11-13 16:35:54,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data/fe040e2b5/b61f057d57fd47f2b550a4b52eb095aa/FLAG965ef7c27 [2024-11-13 16:35:54,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/data/fe040e2b5/b61f057d57fd47f2b550a4b52eb095aa [2024-11-13 16:35:54,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:35:54,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:35:54,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:35:54,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:35:54,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:35:54,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:35:54" (1/1) ... [2024-11-13 16:35:54,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140757f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:54, skipping insertion in model container [2024-11-13 16:35:54,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:35:54" (1/1) ... [2024-11-13 16:35:54,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:35:56,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:35:56,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:35:56,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:35:56,573 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:35:56,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56 WrapperNode [2024-11-13 16:35:56,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:35:56,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:35:56,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:35:56,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:35:56,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,660 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-13 16:35:56,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:35:56,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:35:56,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:35:56,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:35:56,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:35:56,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:35:56,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:35:56,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:35:56,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:35:56" (1/1) ... [2024-11-13 16:35:56,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:35:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:35:56,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:35:56,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:35:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:35:56,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:35:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:35:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:35:56,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:35:56,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:35:56,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:35:57,155 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 16:35:57,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:35:57,299 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:35:57,302 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:35:57,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:57 BoogieIcfgContainer [2024-11-13 16:35:57,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:35:57,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:35:57,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:35:57,316 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:35:57,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:57" (1/1) ... [2024-11-13 16:35:57,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:35:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:35:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:35:57,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:57,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:35:57,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:35:57,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:35:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:35:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:57,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:35:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:57,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:35:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:35:57,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:35:57,965 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:35:58,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:35:58 ImpRootNode [2024-11-13 16:35:58,009 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:35:58,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:35:58,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:35:58,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:35:58,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:35:57" (3/4) ... [2024-11-13 16:35:58,017 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:35:58,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:35:58,022 INFO L158 Benchmark]: Toolchain (without parser) took 3272.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 78.4MB in the end (delta: 9.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-13 16:35:58,022 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:58,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1825.53ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 64.7MB in the end (delta: 23.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 16:35:58,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.99ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:58,024 INFO L158 Benchmark]: Boogie Preprocessor took 33.86ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:58,024 INFO L158 Benchmark]: RCFGBuilder took 606.59ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 42.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:35:58,024 INFO L158 Benchmark]: CodeCheck took 705.93ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 78.5MB in the end (delta: -36.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:35:58,025 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 78.4MB in the end (delta: 42.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:35:58,030 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 7 NumberOfCodeBlocks, 7 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: 1560]: 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 1568. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.58ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1825.53ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 64.7MB in the end (delta: 23.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.99ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.86ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 606.59ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 42.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 705.93ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 78.5MB in the end (delta: -36.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 78.4MB in the end (delta: 42.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:35:58,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2fbe9c-e6a7-4e51-ab0e-4ec16a0d77d2/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample