./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_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_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/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_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/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_942fbe26-2462-42e6-804a-5ed00959f403/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 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:09:30,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:09:30,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:09:30,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:09:30,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:09:30,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:09:30,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:09:30,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:09:30,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:09:30,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:09:30,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:09:30,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:09:30,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:09:30,312 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:09:30,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:09:30,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:09:30,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:09:30,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:09:30,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:09:30,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:30,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:09:30,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:09:30,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:09:30,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:09:30,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:09:30,315 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_942fbe26-2462-42e6-804a-5ed00959f403/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 -> 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac [2024-11-25 03:09:30,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:09:30,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:09:30,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:09:30,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:09:30,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:09:30,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-11-25 03:09:33,680 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/83ff8f390/9ebb9630426e43be8e13f914707f05e4/FLAG0f17b0ac2 [2024-11-25 03:09:34,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:09:34,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-11-25 03:09:34,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/83ff8f390/9ebb9630426e43be8e13f914707f05e4/FLAG0f17b0ac2 [2024-11-25 03:09:34,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/83ff8f390/9ebb9630426e43be8e13f914707f05e4 [2024-11-25 03:09:34,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:09:34,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:09:34,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:34,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:09:34,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:09:34,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:34" (1/1) ... [2024-11-25 03:09:34,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba7464d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:34, skipping insertion in model container [2024-11-25 03:09:34,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:34" (1/1) ... [2024-11-25 03:09:34,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:09:35,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:35,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:09:35,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:35,464 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:09:35,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35 WrapperNode [2024-11-25 03:09:35,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:35,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:35,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:09:35,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:09:35,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,550 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-25 03:09:35,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:35,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:09:35,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:09:35,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:09:35,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:09:35,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:09:35,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:09:35,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:09:35,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:35" (1/1) ... [2024-11-25 03:09:35,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:35,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:09:35,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:09:35,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:09:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:09:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:09:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:09:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:09:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:09:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:09:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:09:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:09:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:09:35,837 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:09:35,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:09:36,087 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-25 03:09:36,087 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:09:36,335 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:09:36,335 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:09:36,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:36 BoogieIcfgContainer [2024-11-25 03:09:36,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:09:36,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:09:36,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:09:36,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:09:36,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:36" (1/1) ... [2024-11-25 03:09:36,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:09:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:09:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:09:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:09:36,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:36,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:09:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:36,759 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:09:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:37,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:09:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:37,080 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:09:37,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:09:37 ImpRootNode [2024-11-25 03:09:37,121 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:09:37,122 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:09:37,122 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:09:37,122 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:09:37,123 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:36" (3/4) ... [2024-11-25 03:09:37,125 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:09:37,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:09:37,129 INFO L158 Benchmark]: Toolchain (without parser) took 2865.06ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 50.3MB in the end (delta: 38.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-25 03:09:37,130 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:37,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1199.41ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.0MB in the end (delta: 9.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 03:09:37,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.00ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:37,132 INFO L158 Benchmark]: Boogie Preprocessor took 46.78ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:37,133 INFO L158 Benchmark]: RCFGBuilder took 738.71ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 36.1MB in the end (delta: 38.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:09:37,134 INFO L158 Benchmark]: CodeCheck took 783.45ms. Allocated memory is still 117.4MB. Free memory was 36.1MB in the beginning and 51.1MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:37,135 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 50.3MB in the end (delta: 775.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:37,139 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1199.41ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.0MB in the end (delta: 9.8MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.00ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.78ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 738.71ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 36.1MB in the end (delta: 38.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 783.45ms. Allocated memory is still 117.4MB. Free memory was 36.1MB in the beginning and 51.1MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 50.3MB in the end (delta: 775.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:09:37,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/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_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/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_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/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_942fbe26-2462-42e6-804a-5ed00959f403/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 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:09:39,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:09:39,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:09:40,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:09:40,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:09:40,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:09:40,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:09:40,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:09:40,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:09:40,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:09:40,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:09:40,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:09:40,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:09:40,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:09:40,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:09:40,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:09:40,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:09:40,066 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:40,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:09:40,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:09:40,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:40,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:09:40,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:09:40,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:09:40,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:09:40,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:40,067 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:09:40,067 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_942fbe26-2462-42e6-804a-5ed00959f403/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 -> 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac [2024-11-25 03:09:40,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:09:40,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:09:40,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:09:40,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:09:40,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:09:40,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-11-25 03:09:43,331 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/13722b81e/4b2e1100e6764772bd4936454a24a195/FLAGe707bf940 [2024-11-25 03:09:43,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:09:43,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2024-11-25 03:09:43,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/13722b81e/4b2e1100e6764772bd4936454a24a195/FLAGe707bf940 [2024-11-25 03:09:43,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/data/13722b81e/4b2e1100e6764772bd4936454a24a195 [2024-11-25 03:09:43,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:09:43,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:09:43,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:43,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:09:43,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:09:43,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:43" (1/1) ... [2024-11-25 03:09:43,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d42bb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:43, skipping insertion in model container [2024-11-25 03:09:43,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:43" (1/1) ... [2024-11-25 03:09:43,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:09:44,918 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:09:44,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:44,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:09:45,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:09:45,173 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:09:45,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45 WrapperNode [2024-11-25 03:09:45,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:09:45,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:45,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:09:45,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:09:45,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,229 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-25 03:09:45,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:09:45,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:09:45,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:09:45,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:09:45,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:09:45,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:09:45,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:09:45,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:09:45,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:09:45,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:09:45,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:09:45,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:09:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:09:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:09:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:09:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:09:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:09:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:09:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:09:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:09:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:09:45,554 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:09:45,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:09:45,771 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-25 03:09:45,771 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:09:45,881 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:09:45,881 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:09:45,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:45 BoogieIcfgContainer [2024-11-25 03:09:45,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:09:45,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:09:45,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:09:45,896 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:09:45,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:45" (1/1) ... [2024-11-25 03:09:45,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:09:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:09:45,965 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:09:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:09:45,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:45,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:45,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:45,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:45,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:09:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:46,232 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:09:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:46,436 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:09:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:09:46,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:09:46,511 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:09:46,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:09:46 ImpRootNode [2024-11-25 03:09:46,548 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:09:46,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:09:46,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:09:46,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:09:46,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:45" (3/4) ... [2024-11-25 03:09:46,552 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:09:46,613 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:09:46,665 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:09:46,668 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:09:46,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:09:46,669 INFO L158 Benchmark]: Toolchain (without parser) took 2753.76ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 88.6MB in the beginning and 214.8MB in the end (delta: -126.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-25 03:09:46,670 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:46,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.74ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 67.1MB in the end (delta: 21.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 03:09:46,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.11ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:46,673 INFO L158 Benchmark]: Boogie Preprocessor took 37.47ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:46,673 INFO L158 Benchmark]: RCFGBuilder took 613.47ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 43.9MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:09:46,673 INFO L158 Benchmark]: CodeCheck took 665.52ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 43.9MB in the beginning and 219.6MB in the end (delta: -175.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:46,674 INFO L158 Benchmark]: Witness Printer took 119.52ms. Allocated memory is still 260.0MB. Free memory was 219.6MB in the beginning and 214.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:46,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1570]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] COND TRUE data < 0 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] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1257.74ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 67.1MB in the end (delta: 21.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.11ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.47ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.47ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 43.9MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 665.52ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 43.9MB in the beginning and 219.6MB in the end (delta: -175.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.52ms. Allocated memory is still 260.0MB. Free memory was 219.6MB in the beginning and 214.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:09:46,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942fbe26-2462-42e6-804a-5ed00959f403/bin/ukojak-verify-ENZ3QT5qd3/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)