./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_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_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/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_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/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_cf4bc347-7396-4661-a277-73f034df6e28/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 f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:36,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:36,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:14:36,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:14:36,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:14:36,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:36,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:36,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:36,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:36,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:36,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:36,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:36,557 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:36,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:36,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:36,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:36,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:36,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:36,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:14:36,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:14:36,561 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_cf4bc347-7396-4661-a277-73f034df6e28/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 -> f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc [2024-11-25 04:14:36,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:36,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:36,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:36,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:36,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:36,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-11-25 04:14:40,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/aef6129ab/762054be7d0c49ad802b05104a0731ca/FLAG6aa1d9c05 [2024-11-25 04:14:40,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:14:40,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-11-25 04:14:40,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/aef6129ab/762054be7d0c49ad802b05104a0731ca/FLAG6aa1d9c05 [2024-11-25 04:14:40,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/aef6129ab/762054be7d0c49ad802b05104a0731ca [2024-11-25 04:14:40,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:14:40,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:14:40,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:40,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:14:40,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:14:40,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:40" (1/1) ... [2024-11-25 04:14:40,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70489534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:40, skipping insertion in model container [2024-11-25 04:14:40,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:40" (1/1) ... [2024-11-25 04:14:41,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:14:42,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:42,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:14:42,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:42,465 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:14:42,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42 WrapperNode [2024-11-25 04:14:42,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:42,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:42,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:14:42,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:14:42,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,535 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 04:14:42,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:42,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:14:42,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:14:42,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:14:42,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:14:42,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:14:42,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:14:42,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:14:42,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:42" (1/1) ... [2024-11-25 04:14:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:14:42,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:14:42,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:14:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:14:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:14:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:14:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:14:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:14:42,839 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:14:42,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:14:43,104 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 04:14:43,104 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:14:43,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:14:43,420 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:14:43,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:43 BoogieIcfgContainer [2024-11-25 04:14:43,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:14:43,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:14:43,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:14:43,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:14:43,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:43" (1/1) ... [2024-11-25 04:14:43,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:14:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:14:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:14:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:14:43,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:43,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:14:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:43,829 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:44,070 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:44,135 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:14:44,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:14:44 ImpRootNode [2024-11-25 04:14:44,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:14:44,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:14:44,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:14:44,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:14:44,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:43" (3/4) ... [2024-11-25 04:14:44,186 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:14:44,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:14:44,189 INFO L158 Benchmark]: Toolchain (without parser) took 3217.64ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 55.3MB in the end (delta: 33.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-25 04:14:44,190 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:44,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1493.89ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.7MB in the end (delta: 7.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 04:14:44,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.38ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 78.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:14:44,193 INFO L158 Benchmark]: Boogie Preprocessor took 25.81ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:44,194 INFO L158 Benchmark]: RCFGBuilder took 855.35ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 87.5MB in the end (delta: -9.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-25 04:14:44,194 INFO L158 Benchmark]: CodeCheck took 757.33ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 55.3MB in the end (delta: 32.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:14:44,195 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 117.4MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:44,200 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_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [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)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1493.89ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.7MB in the end (delta: 7.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.38ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 78.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.81ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 855.35ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 87.5MB in the end (delta: -9.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * CodeCheck took 757.33ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 55.3MB in the end (delta: 32.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 117.4MB. Free memory is still 55.3MB. 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 04:14:44,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/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 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_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/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_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/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_cf4bc347-7396-4661-a277-73f034df6e28/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 f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:46,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:47,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:14:47,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:47,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:47,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:47,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:47,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:47,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:47,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:47,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:47,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:47,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:47,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:47,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:47,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:47,154 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:47,155 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:14:47,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:47,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:47,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:47,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:47,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:47,157 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:14:47,157 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:47,157 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:14:47,158 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_cf4bc347-7396-4661-a277-73f034df6e28/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 -> f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc [2024-11-25 04:14:47,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:47,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:47,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:47,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:47,556 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:47,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-11-25 04:14:50,984 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/8f34a667b/c586dc35f8e34fa19a2cf96dc8e7f7ad/FLAG21630907e [2024-11-25 04:14:51,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:14:51,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-11-25 04:14:51,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/8f34a667b/c586dc35f8e34fa19a2cf96dc8e7f7ad/FLAG21630907e [2024-11-25 04:14:51,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/data/8f34a667b/c586dc35f8e34fa19a2cf96dc8e7f7ad [2024-11-25 04:14:51,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:14:51,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:14:51,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:51,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:14:51,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:14:51,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:51" (1/1) ... [2024-11-25 04:14:51,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98fc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:51, skipping insertion in model container [2024-11-25 04:14:51,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:51" (1/1) ... [2024-11-25 04:14:51,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:14:53,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:53,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:14:53,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:53,431 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:14:53,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53 WrapperNode [2024-11-25 04:14:53,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:53,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:53,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:14:53,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:14:53,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,482 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 04:14:53,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:53,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:14:53,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:14:53,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:14:53,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:14:53,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:14:53,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:14:53,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:14:53,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:53" (1/1) ... [2024-11-25 04:14:53,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:53,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:14:53,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:14:53,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:14:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:14:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:14:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:14:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:14:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:14:53,766 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:14:53,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:14:53,929 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:14:53,929 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:14:54,043 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:14:54,045 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:14:54,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:54 BoogieIcfgContainer [2024-11-25 04:14:54,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:14:54,047 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:14:54,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:14:54,059 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:14:54,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:54" (1/1) ... [2024-11-25 04:14:54,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:14:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:14:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:14:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:14:54,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:54,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:54,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:54,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:54,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:14:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:54,370 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:54,472 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:54,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:14:54,552 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:14:54,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:14:54 ImpRootNode [2024-11-25 04:14:54,586 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:14:54,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:14:54,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:14:54,587 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:14:54,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:54" (3/4) ... [2024-11-25 04:14:54,589 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:14:54,633 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 04:14:54,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:14:54,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:14:54,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:14:54,694 INFO L158 Benchmark]: Toolchain (without parser) took 3118.27ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 34.0MB in the end (delta: 22.8MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-25 04:14:54,695 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:54,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1856.22ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 04:14:54,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:54,696 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:54,696 INFO L158 Benchmark]: RCFGBuilder took 534.29ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 52.8MB in the end (delta: -6.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-25 04:14:54,697 INFO L158 Benchmark]: CodeCheck took 539.25ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 38.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:14:54,698 INFO L158 Benchmark]: Witness Printer took 104.05ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 34.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:14:54,701 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [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)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1856.22ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.29ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 52.8MB in the end (delta: -6.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 539.25ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 38.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 104.05ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 34.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:14:54,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4bc347-7396-4661-a277-73f034df6e28/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)