./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b --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 49704bb8c7c903f86a60c1409d13977243487e52eba8e685b645151ac5138c5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:56,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:56,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:41:56,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:56,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:56,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:56,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:56,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:56,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:56,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:56,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:56,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:56,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:56,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:56,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:56,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:56,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:56,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:56,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:56,859 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_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b 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 -> 49704bb8c7c903f86a60c1409d13977243487e52eba8e685b645151ac5138c5c [2024-12-05 21:41:57,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:57,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:57,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:57,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:57,081 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:57,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i [2024-12-05 21:41:59,740 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/baf8451c3/c0c24495fa024bd68012290f444321c9/FLAG1b783619a [2024-12-05 21:42:00,079 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:42:00,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i [2024-12-05 21:42:00,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/baf8451c3/c0c24495fa024bd68012290f444321c9/FLAG1b783619a [2024-12-05 21:42:00,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/baf8451c3/c0c24495fa024bd68012290f444321c9 [2024-12-05 21:42:00,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:42:00,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:42:00,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:00,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:42:00,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:42:00,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:00" (1/1) ... [2024-12-05 21:42:00,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450e1291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:00, skipping insertion in model container [2024-12-05 21:42:00,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:00" (1/1) ... [2024-12-05 21:42:00,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:42:00,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:00,993 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:42:01,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:01,171 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:42:01,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01 WrapperNode [2024-12-05 21:42:01,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:01,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:01,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:42:01,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:42:01,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,225 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-12-05 21:42:01,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:01,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:42:01,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:42:01,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:42:01,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:42:01,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:42:01,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:42:01,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:42:01,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:01,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:42:01,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:42:01,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:42:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:42:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:42:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:42:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:42:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:42:01,406 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:42:01,408 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:42:01,594 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-05 21:42:01,594 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:42:01,761 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:42:01,761 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:42:01,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:01 BoogieIcfgContainer [2024-12-05 21:42:01,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:42:01,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:42:01,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:42:01,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:42:01,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:01" (1/1) ... [2024-12-05 21:42:01,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:42:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 21:42:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 21:42:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:42:01,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:01,975 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:02,143 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:02,180 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:42:02,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:42:02 ImpRootNode [2024-12-05 21:42:02,204 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:42:02,205 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:42:02,205 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:42:02,205 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:42:02,206 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:01" (3/4) ... [2024-12-05 21:42:02,208 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:42:02,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:42:02,210 INFO L158 Benchmark]: Toolchain (without parser) took 1883.78ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 93.2MB in the end (delta: 20.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-12-05 21:42:02,211 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:02,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.91ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 54.8MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 21:42:02,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.48ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 113.4MB in the end (delta: -58.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-05 21:42:02,212 INFO L158 Benchmark]: Boogie Preprocessor took 17.00ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:02,213 INFO L158 Benchmark]: RCFGBuilder took 518.88ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 71.5MB in the end (delta: 40.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:42:02,213 INFO L158 Benchmark]: CodeCheck took 442.18ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 94.0MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:02,214 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.2MB in the end (delta: 788.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:02,216 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data - 1 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 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.91ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 54.8MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.48ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 113.4MB in the end (delta: -58.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.00ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.88ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 71.5MB in the end (delta: 40.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 442.18ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 94.0MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.2MB in the end (delta: 788.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:42:02,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/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_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b --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 49704bb8c7c903f86a60c1409d13977243487e52eba8e685b645151ac5138c5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:42:04,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:42:04,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 21:42:04,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:42:04,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:42:04,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:42:04,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:42:04,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:42:04,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:42:04,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:42:04,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:42:04,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:42:04,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:42:04,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:42:04,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:42:04,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:42:04,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:42:04,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:04,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:42:04,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:42:04,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:04,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:42:04,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:42:04,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:42:04,330 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:42:04,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:04,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:42:04,330 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_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b 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 -> 49704bb8c7c903f86a60c1409d13977243487e52eba8e685b645151ac5138c5c [2024-12-05 21:42:04,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:42:04,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:42:04,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:42:04,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:42:04,601 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:42:04,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i [2024-12-05 21:42:07,285 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/b153f05c1/d4e8b4900af543f9a09c753a2a3175cf/FLAGea6a8c59a [2024-12-05 21:42:07,585 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:42:07,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_02_bad.i [2024-12-05 21:42:07,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/b153f05c1/d4e8b4900af543f9a09c753a2a3175cf/FLAGea6a8c59a [2024-12-05 21:42:07,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/data/b153f05c1/d4e8b4900af543f9a09c753a2a3175cf [2024-12-05 21:42:07,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:42:07,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:42:07,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:07,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:42:07,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:42:07,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:07" (1/1) ... [2024-12-05 21:42:07,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29de9a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:07, skipping insertion in model container [2024-12-05 21:42:07,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:07" (1/1) ... [2024-12-05 21:42:07,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:42:08,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:08,553 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:42:08,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:08,757 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:42:08,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08 WrapperNode [2024-12-05 21:42:08,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:08,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:08,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:42:08,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:42:08,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,799 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-12-05 21:42:08,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:08,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:42:08,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:42:08,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:42:08,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:42:08,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:42:08,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:42:08,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:42:08,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:08" (1/1) ... [2024-12-05 21:42:08,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:08,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:42:08,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:42:08,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:42:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:42:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:42:09,004 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:42:09,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:42:09,108 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-05 21:42:09,108 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:42:09,166 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:42:09,166 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:42:09,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:09 BoogieIcfgContainer [2024-12-05 21:42:09,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:42:09,167 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:42:09,167 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:42:09,174 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:42:09,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:09" (1/1) ... [2024-12-05 21:42:09,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:42:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 21:42:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 21:42:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:42:09,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:09,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:09,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:09,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:42:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:09,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:09,436 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:42:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:42:09,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:42:09,476 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:42:09,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:42:09 ImpRootNode [2024-12-05 21:42:09,501 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:42:09,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:42:09,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:42:09,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:42:09,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:09" (3/4) ... [2024-12-05 21:42:09,503 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:42:09,543 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-05 21:42:09,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:42:09,589 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:42:09,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:42:09,590 INFO L158 Benchmark]: Toolchain (without parser) took 1749.46ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.7MB in the beginning and 103.7MB in the end (delta: -37.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-05 21:42:09,590 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:09,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.85ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.0MB in the end (delta: 3.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-05 21:42:09,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.19ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:09,591 INFO L158 Benchmark]: Boogie Preprocessor took 24.32ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:09,591 INFO L158 Benchmark]: RCFGBuilder took 341.96ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 41.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:42:09,592 INFO L158 Benchmark]: CodeCheck took 333.60ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.4MB in the beginning and 108.6MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:09,592 INFO L158 Benchmark]: Witness Printer took 87.26ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 103.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:09,594 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 915.85ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.0MB in the end (delta: 3.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.19ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.32ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.96ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 41.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 333.60ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.4MB in the beginning and 108.6MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.26ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 103.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:42:09,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ed2aa-aa86-46a2-8ff1-23688f87edd7/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)