./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_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_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/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_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/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_497db47d-c3b5-49e6-8f64-eaba19076cf9/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:01:50,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:01:50,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:01:50,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:01:50,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:01:50,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:01:50,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:01:50,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:01:50,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:01:50,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:01:50,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:01:50,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:01:50,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:01:50,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:01:50,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:01:50,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:01:50,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:01:50,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:01:50,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:01:50,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:01:50,143 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:01:50,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:01:50,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:01:50,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:01:50,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:01:50,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:01:50,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:01:50,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:01:50,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:01:50,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:01:50,144 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:01:50,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:01:50,144 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_497db47d-c3b5-49e6-8f64-eaba19076cf9/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 -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2024-11-25 03:01:50,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:01:50,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:01:50,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:01:50,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:01:50,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:01:50,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2024-11-25 03:01:53,455 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/93f4a4d9a/aa9771525d314271bf7d0aeb498645d7/FLAGe0c5818e3 [2024-11-25 03:01:53,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:01:53,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2024-11-25 03:01:53,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/93f4a4d9a/aa9771525d314271bf7d0aeb498645d7/FLAGe0c5818e3 [2024-11-25 03:01:53,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/93f4a4d9a/aa9771525d314271bf7d0aeb498645d7 [2024-11-25 03:01:53,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:01:53,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:01:53,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:01:53,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:01:53,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:01:53,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:01:53" (1/1) ... [2024-11-25 03:01:53,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440840c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:53, skipping insertion in model container [2024-11-25 03:01:53,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:01:53" (1/1) ... [2024-11-25 03:01:54,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:01:54,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:01:54,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:01:55,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:01:55,250 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:01:55,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55 WrapperNode [2024-11-25 03:01:55,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:01:55,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:01:55,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:01:55,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:01:55,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,303 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 03:01:55,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:01:55,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:01:55,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:01:55,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:01:55,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,322 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:01:55,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:01:55,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:01:55,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:01:55,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:55" (1/1) ... [2024-11-25 03:01:55,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:01:55,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:01:55,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:01:55,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:01:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:01:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:01:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:01:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:01:55,639 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:01:55,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:01:55,877 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 03:01:55,877 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:01:56,130 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:01:56,130 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:01:56,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:01:56 BoogieIcfgContainer [2024-11-25 03:01:56,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:01:56,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:01:56,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:01:56,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:01:56,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:01:56" (1/1) ... [2024-11-25 03:01:56,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:01:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:01:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:01:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:01:56,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:01:56,548 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:01:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:01:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:01:56,852 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:01:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:01:56,915 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:01:56,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:01:56 ImpRootNode [2024-11-25 03:01:56,954 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:01:56,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:01:56,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:01:56,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:01:56,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:01:56" (3/4) ... [2024-11-25 03:01:56,959 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:01:56,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:01:56,965 INFO L158 Benchmark]: Toolchain (without parser) took 3008.04ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 82.7MB in the end (delta: 33.1MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-25 03:01:56,965 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:01:56,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.50ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 106.1MB in the end (delta: 9.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-25 03:01:56,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 103.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:01:56,967 INFO L158 Benchmark]: Boogie Preprocessor took 27.37ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:01:56,967 INFO L158 Benchmark]: RCFGBuilder took 798.82ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 60.8MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:01:56,969 INFO L158 Benchmark]: CodeCheck took 822.89ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 82.7MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:01:56,969 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:01:56,971 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: 0.8s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.50ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 106.1MB in the end (delta: 9.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 103.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.37ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 798.82ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 60.8MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 822.89ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 82.7MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:01:56,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/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_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/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_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/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_497db47d-c3b5-49e6-8f64-eaba19076cf9/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:01:59,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:01:59,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:01:59,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:01:59,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:01:59,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:01:59,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:01:59,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:01:59,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:01:59,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:01:59,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:01:59,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:01:59,833 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:01:59,833 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:01:59,833 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:01:59,833 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:01:59,833 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:01:59,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:01:59,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:01:59,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:01:59,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:01:59,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:01:59,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:01:59,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:01:59,834 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:01:59,834 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_497db47d-c3b5-49e6-8f64-eaba19076cf9/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 -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2024-11-25 03:02:00,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:02:00,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:02:00,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:02:00,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:02:00,186 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:02:00,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2024-11-25 03:02:03,303 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/1e52a276e/2943f6b09e1a46f8867ae2f5544ffbd0/FLAG5a09163b4 [2024-11-25 03:02:03,715 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:02:03,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2024-11-25 03:02:03,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/1e52a276e/2943f6b09e1a46f8867ae2f5544ffbd0/FLAG5a09163b4 [2024-11-25 03:02:03,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/data/1e52a276e/2943f6b09e1a46f8867ae2f5544ffbd0 [2024-11-25 03:02:03,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:02:03,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:02:03,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:03,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:02:03,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:02:03,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:03" (1/1) ... [2024-11-25 03:02:03,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2464ed78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:03, skipping insertion in model container [2024-11-25 03:02:03,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:03" (1/1) ... [2024-11-25 03:02:03,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:02:04,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:04,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:02:04,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:05,084 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:02:05,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05 WrapperNode [2024-11-25 03:02:05,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:05,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:05,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:02:05,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:02:05,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,164 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 03:02:05,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:05,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:02:05,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:02:05,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:02:05,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:02:05,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:02:05,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:02:05,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:02:05,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:05,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:02:05,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:02:05,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:02:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:02:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:02:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:02:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:02:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:02:05,459 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:02:05,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:02:05,645 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 03:02:05,645 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:02:05,752 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:02:05,752 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:02:05,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:05 BoogieIcfgContainer [2024-11-25 03:02:05,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:02:05,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:02:05,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:02:05,773 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:02:05,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:02:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:05,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:02:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:02:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:02:05,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:05,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:02:05,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:02:05,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:02:05,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:02:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:06,045 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:02:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:06,220 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:02:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:06,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:02:06,257 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:02:06,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:02:06 ImpRootNode [2024-11-25 03:02:06,287 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:02:06,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:02:06,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:02:06,290 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:02:06,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:05" (3/4) ... [2024-11-25 03:02:06,292 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:02:06,349 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:02:06,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:02:06,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:02:06,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:02:06,416 INFO L158 Benchmark]: Toolchain (without parser) took 2645.62ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.9MB in the beginning and 202.4MB in the end (delta: -112.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:06,416 INFO L158 Benchmark]: CDTParser took 3.99ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:06,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1316.03ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 68.1MB in the end (delta: 21.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-25 03:02:06,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.66ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:06,417 INFO L158 Benchmark]: Boogie Preprocessor took 45.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:06,418 INFO L158 Benchmark]: RCFGBuilder took 541.13ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 45.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:06,419 INFO L158 Benchmark]: CodeCheck took 528.84ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 45.6MB in the beginning and 207.1MB in the end (delta: -161.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:06,420 INFO L158 Benchmark]: Witness Printer took 124.84ms. Allocated memory is still 243.3MB. Free memory was 207.1MB in the beginning and 202.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:06,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.99ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1316.03ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 68.1MB in the end (delta: 21.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.66ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.13ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 45.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 528.84ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 45.6MB in the beginning and 207.1MB in the end (delta: -161.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.84ms. Allocated memory is still 243.3MB. Free memory was 207.1MB in the beginning and 202.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:02:06,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497db47d-c3b5-49e6-8f64-eaba19076cf9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)