./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_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_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3 --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 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:36:41,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:36:41,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:36:41,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:36:41,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:36:41,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:36:41,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:36:41,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:36:41,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:36:41,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:36:41,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:36:41,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:36:41,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:36:41,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:36:41,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:36:41,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:36:41,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:36:41,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:36:41,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:36:41,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:36:41,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:36:41,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:36:41,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:36:41,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:36:41,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:36:41,763 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_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 [2024-11-25 03:36:42,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:36:42,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:36:42,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:36:42,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:36:42,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:36:42,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2024-11-25 03:36:45,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/69d9ae0df/ba6a9698040b44379655549ffa8f05c5/FLAGcb46ca3c0 [2024-11-25 03:36:45,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:36:45,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2024-11-25 03:36:45,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/69d9ae0df/ba6a9698040b44379655549ffa8f05c5/FLAGcb46ca3c0 [2024-11-25 03:36:45,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/69d9ae0df/ba6a9698040b44379655549ffa8f05c5 [2024-11-25 03:36:45,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:36:45,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:36:45,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:36:45,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:36:45,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:36:45,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:45" (1/1) ... [2024-11-25 03:36:45,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d53ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:45, skipping insertion in model container [2024-11-25 03:36:45,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:45" (1/1) ... [2024-11-25 03:36:45,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:36:46,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:36:46,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:36:47,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:36:47,155 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:36:47,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47 WrapperNode [2024-11-25 03:36:47,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:36:47,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:36:47,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:36:47,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:36:47,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,203 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 03:36:47,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:36:47,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:36:47,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:36:47,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:36:47,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:36:47,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:36:47,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:36:47,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:36:47,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:47" (1/1) ... [2024-11-25 03:36:47,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:36:47,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:36:47,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:36:47,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:36:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:36:47,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:36:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:36:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:36:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:36:47,523 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:36:47,525 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:36:47,820 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 03:36:47,820 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:36:48,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:36:48,117 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:36:48,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:48 BoogieIcfgContainer [2024-11-25 03:36:48,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:36:48,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:36:48,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:36:48,129 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:36:48,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:48" (1/1) ... [2024-11-25 03:36:48,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:36:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:36:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:36:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:36:48,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:48,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:36:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:48,470 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:36:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:48,727 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:36:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:48,802 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:36:48,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:36:48 ImpRootNode [2024-11-25 03:36:48,843 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:36:48,846 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:36:48,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:36:48,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:36:48,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:48" (3/4) ... [2024-11-25 03:36:48,850 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:36:48,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:36:48,856 INFO L158 Benchmark]: Toolchain (without parser) took 3273.48ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 51.7MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-25 03:36:48,856 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:48,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.14ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 81.1MB in the end (delta: 6.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 03:36:48,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.11ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:48,858 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:48,858 INFO L158 Benchmark]: RCFGBuilder took 881.54ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 83.6MB in the end (delta: -6.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:48,859 INFO L158 Benchmark]: CodeCheck took 724.93ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 51.7MB in the end (delta: 31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:36:48,859 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 117.4MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:48,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_03_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-- 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 0.36ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.14ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 81.1MB in the end (delta: 6.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.11ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 881.54ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 83.6MB in the end (delta: -6.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * CodeCheck took 724.93ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 51.7MB in the end (delta: 31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 117.4MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:36:48,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3 --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 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:36:51,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:36:51,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:36:51,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:36:51,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:36:51,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:36:51,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:36:51,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:36:51,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:36:51,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:36:51,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:36:51,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:36:51,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:36:51,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:36:51,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:36:51,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:36:51,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:36:51,873 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:36:51,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:36:51,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:51,874 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:36:51,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:36:51,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:36:51,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:36:51,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:36:51,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:36:51,876 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:36:51,876 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:51,876 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:36:51,877 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_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 [2024-11-25 03:36:52,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:36:52,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:36:52,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:36:52,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:36:52,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:36:52,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2024-11-25 03:36:55,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/784168849/764391d30f4244d4b1cbec3bd92bae5a/FLAG47ccd120a [2024-11-25 03:36:55,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:36:55,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2024-11-25 03:36:55,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/784168849/764391d30f4244d4b1cbec3bd92bae5a/FLAG47ccd120a [2024-11-25 03:36:55,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/data/784168849/764391d30f4244d4b1cbec3bd92bae5a [2024-11-25 03:36:55,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:36:55,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:36:55,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:36:55,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:36:55,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:36:55,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:55" (1/1) ... [2024-11-25 03:36:55,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7701602b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:55, skipping insertion in model container [2024-11-25 03:36:55,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:55" (1/1) ... [2024-11-25 03:36:55,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:36:56,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:36:56,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:36:56,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:36:57,174 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:36:57,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57 WrapperNode [2024-11-25 03:36:57,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:36:57,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:36:57,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:36:57,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:36:57,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,252 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 03:36:57,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:36:57,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:36:57,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:36:57,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:36:57,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:36:57,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:36:57,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:36:57,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:36:57,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:36:57,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:36:57,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:36:57,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:36:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:36:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:36:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:36:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:36:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:36:57,507 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:36:57,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:36:57,661 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 03:36:57,661 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:36:57,787 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:36:57,788 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:36:57,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:57 BoogieIcfgContainer [2024-11-25 03:36:57,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:36:57,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:36:57,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:36:57,801 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:36:57,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:57" (1/1) ... [2024-11-25 03:36:57,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:36:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:36:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:36:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:36:57,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:57,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:57,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:36:57,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:36:57,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:36:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:58,058 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:36:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:58,177 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:36:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:58,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:36:58,223 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:36:58,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:36:58 ImpRootNode [2024-11-25 03:36:58,257 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:36:58,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:36:58,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:36:58,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:36:58,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:57" (3/4) ... [2024-11-25 03:36:58,262 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:36:58,317 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 03:36:58,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:36:58,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:36:58,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:36:58,375 INFO L158 Benchmark]: Toolchain (without parser) took 2515.37ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 35.2MB in the end (delta: 22.2MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-25 03:36:58,376 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:58,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.87ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.3MB in the end (delta: 6.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:58,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.62ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:58,377 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:58,377 INFO L158 Benchmark]: RCFGBuilder took 506.98ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 53.1MB in the end (delta: -6.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-25 03:36:58,377 INFO L158 Benchmark]: CodeCheck took 466.40ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 39.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:58,377 INFO L158 Benchmark]: Witness Printer took 114.21ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 35.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:58,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_03_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-- 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.87ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.3MB in the end (delta: 6.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.62ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 506.98ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 53.1MB in the end (delta: -6.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 466.40ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 39.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 114.21ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 35.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:36:58,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e03a2f2-b89e-4f5b-88d3-b2893179cad5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)