./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_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_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:06:26,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:06:26,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:06:26,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:06:26,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:06:26,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:06:26,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:06:26,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:06:26,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:06:26,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:06:26,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:06:26,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:06:26,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:06:26,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:06:26,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:06:26,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:06:26,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:06:26,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:06:26,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:26,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:06:26,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:06:26,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:06:26,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:06:26,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:06:26,576 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_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 [2024-12-06 02:06:26,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:06:26,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:06:26,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:06:26,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:06:26,812 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:06:26,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2024-12-06 02:06:29,443 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/ac8e52aa5/0353e785a0bc4f51833f006e4accc558/FLAG51c97eded [2024-12-06 02:06:29,738 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:06:29,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2024-12-06 02:06:29,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/ac8e52aa5/0353e785a0bc4f51833f006e4accc558/FLAG51c97eded [2024-12-06 02:06:30,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/ac8e52aa5/0353e785a0bc4f51833f006e4accc558 [2024-12-06 02:06:30,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:06:30,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:06:30,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:30,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:06:30,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:06:30,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be2f55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30, skipping insertion in model container [2024-12-06 02:06:30,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:06:30,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:30,725 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:06:30,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:30,906 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:06:30,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30 WrapperNode [2024-12-06 02:06:30,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:30,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:30,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:06:30,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:06:30,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,943 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-12-06 02:06:30,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:30,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:06:30,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:06:30,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:06:30,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,959 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:06:30,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:06:30,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:06:30,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:06:30,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:30" (1/1) ... [2024-12-06 02:06:30,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:30,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:06:30,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:06:31,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:06:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:06:31,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:06:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:06:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:06:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:06:31,128 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:06:31,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:06:31,291 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-12-06 02:06:31,291 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:06:31,435 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:06:31,435 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:06:31,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:31 BoogieIcfgContainer [2024-12-06 02:06:31,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:06:31,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:06:31,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:06:31,443 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:06:31,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:31" (1/1) ... [2024-12-06 02:06:31,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:06:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:06:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:06:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:06:31,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:31,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:31,701 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:06:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:31,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:06:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:31,848 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:06:31,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:06:31 ImpRootNode [2024-12-06 02:06:31,872 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:06:31,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:06:31,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:06:31,873 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:06:31,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:31" (3/4) ... [2024-12-06 02:06:31,875 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:06:31,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:06:31,877 INFO L158 Benchmark]: Toolchain (without parser) took 1844.64ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 62.1MB in the end (delta: 27.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-12-06 02:06:31,877 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:31,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.40ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 81.6MB in the end (delta: 8.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 02:06:31,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.94ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:06:31,879 INFO L158 Benchmark]: Boogie Preprocessor took 22.70ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:31,879 INFO L158 Benchmark]: RCFGBuilder took 467.55ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 40.8MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:06:31,880 INFO L158 Benchmark]: CodeCheck took 435.90ms. Allocated memory is still 117.4MB. Free memory was 40.8MB in the beginning and 62.1MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:31,880 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:31,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1548] int CWE191_Integer_Underflow__int_rand_sub_68_badData; [L1549] int CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_sub_68_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, 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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.40ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 81.6MB in the end (delta: 8.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.94ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.70ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.55ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 40.8MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 435.90ms. Allocated memory is still 117.4MB. Free memory was 40.8MB in the beginning and 62.1MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:06:31,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:06:33,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:06:33,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:06:33,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:06:33,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:06:33,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:06:33,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:06:33,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:06:33,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:06:33,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:33,995 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:06:33,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:06:33,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:33,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:06:33,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:06:33,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:06:33,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:06:33,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:33,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:06:33,996 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_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 [2024-12-06 02:06:34,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:06:34,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:06:34,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:06:34,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:06:34,242 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:06:34,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2024-12-06 02:06:36,948 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/703a6b0e0/0dfaa87ab097417a8ebb98236134da07/FLAGb9b56b350 [2024-12-06 02:06:37,212 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:06:37,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2024-12-06 02:06:37,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/703a6b0e0/0dfaa87ab097417a8ebb98236134da07/FLAGb9b56b350 [2024-12-06 02:06:37,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/data/703a6b0e0/0dfaa87ab097417a8ebb98236134da07 [2024-12-06 02:06:37,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:06:37,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:06:37,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:37,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:06:37,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:06:37,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:37" (1/1) ... [2024-12-06 02:06:37,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7390cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:37, skipping insertion in model container [2024-12-06 02:06:37,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:37" (1/1) ... [2024-12-06 02:06:37,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:06:38,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:38,056 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:06:38,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:38,261 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:06:38,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38 WrapperNode [2024-12-06 02:06:38,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:38,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:38,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:06:38,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:06:38,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,307 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-12-06 02:06:38,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:38,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:06:38,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:06:38,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:06:38,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,326 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:06:38,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:06:38,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:06:38,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:06:38,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:38,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:06:38,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:06:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:06:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:06:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:06:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:06:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:06:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:06:38,511 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:06:38,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:06:38,611 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 02:06:38,611 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:06:38,664 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:06:38,665 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:06:38,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:38 BoogieIcfgContainer [2024-12-06 02:06:38,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:06:38,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:06:38,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:06:38,676 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:06:38,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:38" (1/1) ... [2024-12-06 02:06:38,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:06:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:06:38,724 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:06:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:06:38,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:38,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:38,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:38,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:38,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:06:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:38,866 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:06:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:38,945 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:06:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:06:38,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:06:38,981 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:06:39,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:06:39 ImpRootNode [2024-12-06 02:06:39,003 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:06:39,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:06:39,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:06:39,004 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:06:39,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:38" (3/4) ... [2024-12-06 02:06:39,005 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:06:39,039 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 02:06:39,073 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:06:39,073 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:06:39,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:06:39,074 INFO L158 Benchmark]: Toolchain (without parser) took 1822.32ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 53.7MB in the end (delta: 13.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 02:06:39,074 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:39,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1009.01ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.0MB in the end (delta: 3.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 02:06:39,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.11ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:39,075 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 58.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:39,075 INFO L158 Benchmark]: RCFGBuilder took 330.20ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:06:39,075 INFO L158 Benchmark]: CodeCheck took 337.41ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 58.7MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:39,076 INFO L158 Benchmark]: Witness Printer took 69.37ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 53.7MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:39,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1575]: 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_sub_68_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, 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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1009.01ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 63.0MB in the end (delta: 3.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.11ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.31ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 58.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.20ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 337.41ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 58.7MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.37ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 53.7MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:06:39,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26913303-a4cc-4fc1-9ab2-423482d72357/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)