./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_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_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/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_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/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_26eaf381-7c45-440a-b120-82ec7579b307/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 ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:01,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:01,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:11:01,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:11:01,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:11:01,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:01,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:01,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:01,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:01,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:01,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:01,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:01,850 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:01,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:01,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:01,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:01,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:01,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:01,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:01,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:01,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:11:01,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:11:01,851 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_26eaf381-7c45-440a-b120-82ec7579b307/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 -> ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb [2024-12-05 22:11:02,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:02,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:02,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:02,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:02,064 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:02,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-12-05 22:11:04,747 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/a0dc26e25/cf6476232c7b4c4fbd1b0c0ffc23d48f/FLAG35eef4a52 [2024-12-05 22:11:05,042 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:05,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-12-05 22:11:05,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/a0dc26e25/cf6476232c7b4c4fbd1b0c0ffc23d48f/FLAG35eef4a52 [2024-12-05 22:11:05,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/a0dc26e25/cf6476232c7b4c4fbd1b0c0ffc23d48f [2024-12-05 22:11:05,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:05,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:05,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:05,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:05,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:05,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:05,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ef55ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05, skipping insertion in model container [2024-12-05 22:11:05,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:05,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:05,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:05,784 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:05,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:05,979 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:05,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05 WrapperNode [2024-12-05 22:11:05,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:05,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:05,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:05,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:05,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,025 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-12-05 22:11:06,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:06,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:06,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:06,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:06,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,041 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:06,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:06,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:06,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:06,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:05" (1/1) ... [2024-12-05 22:11:06,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:06,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:06,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:06,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:11:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:11:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:06,223 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:06,224 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:11:06,390 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-05 22:11:06,390 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:11:06,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:11:06,561 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:11:06,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:06 BoogieIcfgContainer [2024-12-05 22:11:06,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:11:06,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:11:06,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:11:06,571 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:11:06,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:06" (1/1) ... [2024-12-05 22:11:06,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:11:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:11:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:11:06,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:11:06,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:11:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:06,856 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:11:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:06,973 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:11:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:07,016 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:11:07,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:11:07 ImpRootNode [2024-12-05 22:11:07,040 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:11:07,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:11:07,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:11:07,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:11:07,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:06" (3/4) ... [2024-12-05 22:11:07,043 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:11:07,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:11:07,045 INFO L158 Benchmark]: Toolchain (without parser) took 1966.30ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 86.9MB in the end (delta: 28.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-05 22:11:07,045 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:07,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.38ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 107.6MB in the end (delta: 7.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-12-05 22:11:07,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.02ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:07,046 INFO L158 Benchmark]: Boogie Preprocessor took 21.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:07,047 INFO L158 Benchmark]: RCFGBuilder took 512.54ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 62.1MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 22:11:07,047 INFO L158 Benchmark]: CodeCheck took 477.65ms. Allocated memory is still 142.6MB. Free memory was 62.1MB in the beginning and 87.7MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:07,047 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 86.9MB in the end (delta: 760.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:07,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1561]: 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] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [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)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 142.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.38ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 107.6MB in the end (delta: 7.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.02ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.54ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 62.1MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 477.65ms. Allocated memory is still 142.6MB. Free memory was 62.1MB in the beginning and 87.7MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 86.9MB in the end (delta: 760.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:11:07,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/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_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/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_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/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_26eaf381-7c45-440a-b120-82ec7579b307/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 ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:08,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:09,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:11:09,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:09,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:09,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:09,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:09,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:09,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:09,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:09,079 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:11:09,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:09,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:09,080 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:11:09,081 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_26eaf381-7c45-440a-b120-82ec7579b307/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 -> ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb [2024-12-05 22:11:09,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:09,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:09,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:09,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:09,303 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:09,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-12-05 22:11:11,933 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/f39493aa0/174f062670b64a049dda73932e25ced2/FLAG67fb7e39f [2024-12-05 22:11:12,251 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:12,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-12-05 22:11:12,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/f39493aa0/174f062670b64a049dda73932e25ced2/FLAG67fb7e39f [2024-12-05 22:11:12,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/data/f39493aa0/174f062670b64a049dda73932e25ced2 [2024-12-05 22:11:12,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:12,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:12,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:12,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:12,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:12,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:12" (1/1) ... [2024-12-05 22:11:12,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2a995f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:12, skipping insertion in model container [2024-12-05 22:11:12,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:12" (1/1) ... [2024-12-05 22:11:12,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:13,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:13,170 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:13,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:13,370 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:13,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13 WrapperNode [2024-12-05 22:11:13,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:13,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:13,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:13,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:13,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,413 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-12-05 22:11:13,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:13,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:13,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:13,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:13,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:13,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:13,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:13,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:13,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:13,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:13,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:11:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:11:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:13,614 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:13,616 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:11:13,714 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-05 22:11:13,714 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:11:13,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:11:13,771 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:11:13,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:13 BoogieIcfgContainer [2024-12-05 22:11:13,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:11:13,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:11:13,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:11:13,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:11:13,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:13" (1/1) ... [2024-12-05 22:11:13,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:11:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:11:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:11:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:11:13,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:13,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:13,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:13,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:13,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:11:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:13,973 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:11:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:14,073 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:11:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:11:14,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:11:14,107 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:11:14,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:11:14 ImpRootNode [2024-12-05 22:11:14,129 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:11:14,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:11:14,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:11:14,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:11:14,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:13" (3/4) ... [2024-12-05 22:11:14,132 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:11:14,164 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:11:14,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:11:14,199 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:11:14,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:11:14,200 INFO L158 Benchmark]: Toolchain (without parser) took 1680.29ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 51.1MB in the end (delta: 15.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-05 22:11:14,200 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:14,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.03ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 63.0MB in the end (delta: 3.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-05 22:11:14,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.16ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:14,201 INFO L158 Benchmark]: Boogie Preprocessor took 23.56ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:14,201 INFO L158 Benchmark]: RCFGBuilder took 332.91ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 40.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:11:14,202 INFO L158 Benchmark]: CodeCheck took 357.29ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 56.1MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:11:14,202 INFO L158 Benchmark]: Witness Printer took 69.02ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 51.1MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:11:14,204 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: 0.3s, 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, 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: 1561]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [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)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.03ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 63.0MB in the end (delta: 3.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.16ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.56ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.91ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 40.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 357.29ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 56.1MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.02ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 51.1MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:11:14,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26eaf381-7c45-440a-b120-82ec7579b307/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)