./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_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_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:55:24,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:55:25,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:55:25,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:55:25,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:55:25,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:55:25,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:55:25,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:55:25,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:55:25,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:55:25,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:55:25,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:55:25,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:55:25,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:55:25,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:55:25,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:55:25,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:55:25,074 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:55:25,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:55:25,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:55:25,074 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:55:25,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:55:25,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:55:25,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:55:25,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:55:25,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:55:25,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:25,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:55:25,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:55:25,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:55:25,080 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:55:25,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:55:25,080 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_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 [2024-11-25 03:55:25,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:55:25,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:55:25,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:55:25,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:55:25,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:55:25,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-11-25 03:55:28,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/30bcce9fe/499eb2f2c0a44e389127ab617f214bcb/FLAGc17bcf796 [2024-11-25 03:55:29,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:55:29,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-11-25 03:55:29,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/30bcce9fe/499eb2f2c0a44e389127ab617f214bcb/FLAGc17bcf796 [2024-11-25 03:55:29,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/30bcce9fe/499eb2f2c0a44e389127ab617f214bcb [2024-11-25 03:55:29,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:55:29,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:55:29,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:29,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:55:29,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:55:29,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:29" (1/1) ... [2024-11-25 03:55:29,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731d747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:29, skipping insertion in model container [2024-11-25 03:55:29,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:29" (1/1) ... [2024-11-25 03:55:29,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:55:30,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:30,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:55:30,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:30,962 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:55:30,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30 WrapperNode [2024-11-25 03:55:30,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:30,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:30,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:55:30,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:55:30,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:30,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,028 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-25 03:55:31,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:31,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:55:31,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:55:31,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:55:31,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,058 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:55:31,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:55:31,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:55:31,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:55:31,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:30" (1/1) ... [2024-11-25 03:55:31,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:31,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:55:31,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:55:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:55:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:55:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:55:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:55:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:55:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:55:31,370 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:55:31,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:55:31,611 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-25 03:55:31,611 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:55:31,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:55:31,880 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:55:31,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:31 BoogieIcfgContainer [2024-11-25 03:55:31,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:55:31,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:55:31,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:55:31,895 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:55:31,895 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:31" (1/1) ... [2024-11-25 03:55:31,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:55:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:55:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:55:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:55:32,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:32,384 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:32,678 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:32,740 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:55:32,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:55:32 ImpRootNode [2024-11-25 03:55:32,782 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:55:32,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:55:32,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:55:32,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:55:32,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:31" (3/4) ... [2024-11-25 03:55:32,789 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:55:32,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:55:32,791 INFO L158 Benchmark]: Toolchain (without parser) took 3435.34ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 53.5MB in the end (delta: 36.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-25 03:55:32,792 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:32,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.74ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.5MB in the end (delta: 7.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-25 03:55:32,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.14ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 78.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:55:32,793 INFO L158 Benchmark]: Boogie Preprocessor took 48.81ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:32,794 INFO L158 Benchmark]: RCFGBuilder took 801.65ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 40.0MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:55:32,794 INFO L158 Benchmark]: CodeCheck took 899.18ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 53.5MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:32,795 INFO L158 Benchmark]: Witness Printer took 7.09ms. Allocated memory is still 117.4MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:32,798 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: 0.8s, 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1570. 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); [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_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.74ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.5MB in the end (delta: 7.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.14ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 78.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.81ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 801.65ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 40.0MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 899.18ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 53.5MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.09ms. Allocated memory is still 117.4MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:55:32,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:55:35,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:55:35,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:55:35,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:55:35,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:55:35,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:55:35,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:55:35,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:55:35,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:55:35,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:55:35,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:55:35,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:55:35,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:55:35,977 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:55:35,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:55:35,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:55:35,978 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:55:35,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:55:35,978 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:35,978 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:55:35,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:55:35,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:35,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:55:35,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:55:35,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:55:35,979 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:55:35,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:35,979 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:55:35,980 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_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 [2024-11-25 03:55:36,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:55:36,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:55:36,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:55:36,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:55:36,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:55:36,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-11-25 03:55:39,549 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/61e388974/f2859447058741afabef5dca241d2404/FLAGa96d8733d [2024-11-25 03:55:40,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:55:40,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-11-25 03:55:40,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/61e388974/f2859447058741afabef5dca241d2404/FLAGa96d8733d [2024-11-25 03:55:40,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/data/61e388974/f2859447058741afabef5dca241d2404 [2024-11-25 03:55:40,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:55:40,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:55:40,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:40,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:55:40,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:55:40,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:40" (1/1) ... [2024-11-25 03:55:40,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e50d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:40, skipping insertion in model container [2024-11-25 03:55:40,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:40" (1/1) ... [2024-11-25 03:55:40,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:55:41,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:41,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:55:41,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:41,814 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:55:41,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41 WrapperNode [2024-11-25 03:55:41,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:41,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:41,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:55:41,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:55:41,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,879 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-25 03:55:41,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:41,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:55:41,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:55:41,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:55:41,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,902 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:55:41,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:55:41,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:55:41,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:55:41,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:41" (1/1) ... [2024-11-25 03:55:41,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:41,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:55:41,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:55:41,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:55:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:55:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:55:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:55:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:55:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:55:42,154 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:55:42,157 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:55:42,324 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-25 03:55:42,326 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:55:42,417 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:55:42,417 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:55:42,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:42 BoogieIcfgContainer [2024-11-25 03:55:42,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:55:42,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:55:42,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:55:42,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:55:42,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:42" (1/1) ... [2024-11-25 03:55:42,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:55:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:55:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:55:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:55:42,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:42,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:42,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:42,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:55:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:42,772 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:42,976 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:55:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:55:43,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:55:43,037 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:55:43,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:55:43 ImpRootNode [2024-11-25 03:55:43,083 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:55:43,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:55:43,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:55:43,087 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:55:43,088 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:42" (3/4) ... [2024-11-25 03:55:43,090 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:55:43,171 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:55:43,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:55:43,236 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:55:43,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:55:43,237 INFO L158 Benchmark]: Toolchain (without parser) took 3043.16ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 77.5MB in the end (delta: 11.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-25 03:55:43,238 INFO L158 Benchmark]: CDTParser took 4.55ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:43,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.35ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.8MB in the end (delta: 21.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 03:55:43,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.71ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 64.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:43,239 INFO L158 Benchmark]: Boogie Preprocessor took 33.49ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:43,240 INFO L158 Benchmark]: RCFGBuilder took 503.42ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 45.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:55:43,240 INFO L158 Benchmark]: CodeCheck took 664.08ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 81.9MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:55:43,241 INFO L158 Benchmark]: Witness Printer took 150.19ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 77.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:55:43,247 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1555]: 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_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.55ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.35ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.8MB in the end (delta: 21.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.71ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 64.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.49ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.42ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 45.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 664.08ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 81.9MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 150.19ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 77.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:55:43,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94ae43ce-69c8-4aae-8c3f-b3a866203084/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)