./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:17:49,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:17:49,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:17:49,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:17:49,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:17:49,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:17:49,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:17:49,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:17:49,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:17:49,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:17:49,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:17:49,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:17:49,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:17:49,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:17:49,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:17:49,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:49,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:17:49,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:17:49,221 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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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 -> 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d [2024-12-06 05:17:49,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:17:49,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:17:49,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:17:49,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:17:49,508 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:17:49,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2024-12-06 05:17:52,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/13675ddf1/2a5b31a61715430aa88ecb268dc53545/FLAGccd9644a2 [2024-12-06 05:17:52,821 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:17:52,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2024-12-06 05:17:52,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/13675ddf1/2a5b31a61715430aa88ecb268dc53545/FLAGccd9644a2 [2024-12-06 05:17:53,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/13675ddf1/2a5b31a61715430aa88ecb268dc53545 [2024-12-06 05:17:53,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:17:53,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:17:53,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:53,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:17:53,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:17:53,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:53" (1/1) ... [2024-12-06 05:17:53,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d53927c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:53, skipping insertion in model container [2024-12-06 05:17:53,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:53" (1/1) ... [2024-12-06 05:17:53,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:17:53,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:53,832 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:17:53,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:54,040 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:17:54,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54 WrapperNode [2024-12-06 05:17:54,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:54,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:54,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:17:54,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:17:54,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,090 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2024-12-06 05:17:54,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:54,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:17:54,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:17:54,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:17:54,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:17:54,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:17:54,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:17:54,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:17:54,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:17:54,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:17:54,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:17:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:17:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:17:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:17:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:17:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:17:54,295 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:17:54,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:17:54,478 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-12-06 05:17:54,478 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:17:54,654 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:17:54,654 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:17:54,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:54 BoogieIcfgContainer [2024-12-06 05:17:54,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:17:54,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:17:54,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:17:54,665 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:17:54,665 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:54" (1/1) ... [2024-12-06 05:17:54,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:17:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:17:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:17:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:17:54,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:54,949 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:17:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:55,091 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:17:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:55,133 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:17:55,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:17:55 ImpRootNode [2024-12-06 05:17:55,158 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:17:55,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:17:55,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:17:55,159 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:17:55,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:54" (3/4) ... [2024-12-06 05:17:55,162 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:17:55,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:17:55,164 INFO L158 Benchmark]: Toolchain (without parser) took 2107.79ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 104.2MB in the end (delta: 10.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-12-06 05:17:55,165 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:55,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.31ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 54.1MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:17:55,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.10ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 113.0MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 05:17:55,166 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:55,167 INFO L158 Benchmark]: RCFGBuilder took 537.29ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 75.1MB in the end (delta: 36.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:17:55,167 INFO L158 Benchmark]: CodeCheck took 502.56ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 104.2MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:55,168 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 104.2MB in the end (delta: 9.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:55,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1558]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_18_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)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.31ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 54.1MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.10ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 113.0MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.29ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 75.1MB in the end (delta: 36.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 502.56ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 104.2MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 104.2MB in the end (delta: 9.0kB). 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 [2024-12-06 05:17:55,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:17:57,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:17:57,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:17:57,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:17:57,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:17:57,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:17:57,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:17:57,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:17:57,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:17:57,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:17:57,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:17:57,464 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:17:57,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:17:57,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:17:57,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:17:57,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:17:57,464 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:57,464 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:17:57,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:17:57,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:57,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:17:57,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:17:57,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:17:57,465 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:17:57,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:57,465 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:17:57,465 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_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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 -> 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d [2024-12-06 05:17:57,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:17:57,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:17:57,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:17:57,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:17:57,754 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:17:57,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2024-12-06 05:18:00,620 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/0cc781390/9134548fcad94b3e81b7d1dd2ff97d7b/FLAG05f588f9e [2024-12-06 05:18:00,914 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:18:00,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2024-12-06 05:18:00,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/0cc781390/9134548fcad94b3e81b7d1dd2ff97d7b/FLAG05f588f9e [2024-12-06 05:18:00,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/data/0cc781390/9134548fcad94b3e81b7d1dd2ff97d7b [2024-12-06 05:18:00,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:18:00,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:18:00,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:00,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:18:00,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:18:00,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:00" (1/1) ... [2024-12-06 05:18:00,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755c1227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:00, skipping insertion in model container [2024-12-06 05:18:00,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:00" (1/1) ... [2024-12-06 05:18:01,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:18:01,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:01,733 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:18:01,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:01,956 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:18:01,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01 WrapperNode [2024-12-06 05:18:01,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:01,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:01,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:18:01,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:18:01,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:01,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,000 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-12-06 05:18:02,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:02,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:18:02,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:18:02,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:18:02,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:18:02,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:18:02,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:18:02,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:18:02,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:01" (1/1) ... [2024-12-06 05:18:02,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:02,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:18:02,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:18:02,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:18:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:18:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:18:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:18:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:18:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:18:02,207 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:18:02,209 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:18:02,317 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 05:18:02,317 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:18:02,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:18:02,370 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:18:02,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:02 BoogieIcfgContainer [2024-12-06 05:18:02,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:18:02,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:18:02,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:18:02,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:18:02,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:02" (1/1) ... [2024-12-06 05:18:02,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:18:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 05:18:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 05:18:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:18:02,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:02,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:02,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:02,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:18:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:18:02,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:18:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:18:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:18:02,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:18:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:18:02,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:18:02,718 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:18:02,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:18:02 ImpRootNode [2024-12-06 05:18:02,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:18:02,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:18:02,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:18:02,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:18:02,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:02" (3/4) ... [2024-12-06 05:18:02,745 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:18:02,784 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 05:18:02,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:18:02,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:18:02,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:18:02,831 INFO L158 Benchmark]: Toolchain (without parser) took 1872.83ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 53.8MB in the end (delta: 12.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 05:18:02,831 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:18:02,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 996.72ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.0MB in the end (delta: 3.6MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 05:18:02,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.64ms. 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. [2024-12-06 05:18:02,832 INFO L158 Benchmark]: Boogie Preprocessor took 26.24ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:18:02,833 INFO L158 Benchmark]: RCFGBuilder took 342.67ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 42.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:18:02,833 INFO L158 Benchmark]: CodeCheck took 371.19ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 58.6MB in the end (delta: -16.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-12-06 05:18:02,833 INFO L158 Benchmark]: Witness Printer took 86.94ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 53.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:18:02,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1558]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_18_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)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 996.72ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.0MB in the end (delta: 3.6MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.64ms. 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 26.24ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.67ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 42.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 371.19ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 58.6MB in the end (delta: -16.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 86.94ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 53.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:18:02,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62269e6-fbb0-4b88-ac77-13c0b6fe9664/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)