./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:39:10,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:39:10,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:39:10,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:39:10,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:39:10,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:39:10,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:39:10,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:39:10,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:39:10,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:39:10,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:39:10,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:39:10,296 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:39:10,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:39:10,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:39:10,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:39:10,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:39:10,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:39:10,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:10,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:39:10,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:39:10,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:39:10,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:39:10,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:39:10,299 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_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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 -> 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 [2024-11-25 04:39:10,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:39:10,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:39:10,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:39:10,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:39:10,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:39:10,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-11-25 04:39:13,529 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/4f4841878/f584af8234684f7e9c22ac7dac3cea82/FLAGddc9eb5b3 [2024-11-25 04:39:14,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:39:14,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-11-25 04:39:14,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/4f4841878/f584af8234684f7e9c22ac7dac3cea82/FLAGddc9eb5b3 [2024-11-25 04:39:14,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/4f4841878/f584af8234684f7e9c22ac7dac3cea82 [2024-11-25 04:39:14,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:39:14,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:39:14,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:14,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:39:14,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:39:14,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:14" (1/1) ... [2024-11-25 04:39:14,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e143415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:14, skipping insertion in model container [2024-11-25 04:39:14,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:14" (1/1) ... [2024-11-25 04:39:14,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:39:15,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:15,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:39:15,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:15,503 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:39:15,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15 WrapperNode [2024-11-25 04:39:15,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:15,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:15,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:39:15,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:39:15,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,563 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-25 04:39:15,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:15,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:39:15,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:39:15,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:39:15,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:39:15,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:39:15,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:39:15,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:39:15,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:15" (1/1) ... [2024-11-25 04:39:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:15,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:39:15,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:39:15,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:39:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:39:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:39:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:39:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:39:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:39:15,842 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:39:15,845 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:39:16,111 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 04:39:16,111 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:39:16,388 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:39:16,389 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:39:16,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:16 BoogieIcfgContainer [2024-11-25 04:39:16,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:39:16,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:39:16,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:39:16,401 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:39:16,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:16" (1/1) ... [2024-11-25 04:39:16,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:39:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:16,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:39:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:39:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:39:16,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:16,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:16,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:17,047 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:17,098 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:39:17,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:39:17 ImpRootNode [2024-11-25 04:39:17,132 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:39:17,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:39:17,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:39:17,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:39:17,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:16" (3/4) ... [2024-11-25 04:39:17,138 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:39:17,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:39:17,139 INFO L158 Benchmark]: Toolchain (without parser) took 3034.14ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 49.1MB in the end (delta: 39.8MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-25 04:39:17,140 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:17,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1397.33ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.6MB in the end (delta: 9.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 04:39:17,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.67ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:17,142 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:17,143 INFO L158 Benchmark]: RCFGBuilder took 797.79ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 34.6MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:39:17,144 INFO L158 Benchmark]: CodeCheck took 742.50ms. Allocated memory is still 117.4MB. Free memory was 34.6MB in the beginning and 49.1MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:17,145 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:17,148 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1560]: 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_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 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] [L1558] COND TRUE data < 0 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] [L1560] data * 2 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1397.33ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.6MB in the end (delta: 9.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.67ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.62ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 797.79ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 34.6MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 742.50ms. Allocated memory is still 117.4MB. Free memory was 34.6MB in the beginning and 49.1MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:39:17,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:39:19,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:39:19,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:39:19,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:39:19,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:39:19,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:39:19,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:39:19,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:39:19,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:39:19,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:39:19,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:39:19,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:39:19,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:39:19,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:39:19,955 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:39:19,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:39:19,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:39:19,955 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:39:19,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:39:19,956 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:19,956 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:39:19,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:39:19,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:19,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:39:19,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:39:19,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:39:19,957 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:39:19,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:19,957 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:39:19,957 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_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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 -> 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 [2024-11-25 04:39:20,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:39:20,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:39:20,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:39:20,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:39:20,288 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:39:20,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-11-25 04:39:23,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/8d29097a7/f39171a29a7b4a9283ea9a437192c8f3/FLAG8bb601473 [2024-11-25 04:39:23,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:39:23,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-11-25 04:39:23,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/8d29097a7/f39171a29a7b4a9283ea9a437192c8f3/FLAG8bb601473 [2024-11-25 04:39:23,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/data/8d29097a7/f39171a29a7b4a9283ea9a437192c8f3 [2024-11-25 04:39:23,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:39:23,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:39:23,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:23,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:39:23,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:39:23,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:23" (1/1) ... [2024-11-25 04:39:23,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c240d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:23, skipping insertion in model container [2024-11-25 04:39:23,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:23" (1/1) ... [2024-11-25 04:39:23,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:39:24,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:24,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:39:24,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:25,158 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:39:25,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25 WrapperNode [2024-11-25 04:39:25,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:25,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:25,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:39:25,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:39:25,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,233 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-25 04:39:25,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:25,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:39:25,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:39:25,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:39:25,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:39:25,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:39:25,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:39:25,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:39:25,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:39:25,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:39:25,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:39:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:39:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:39:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:39:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:39:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:39:25,530 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:39:25,532 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:39:25,730 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 04:39:25,730 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:39:25,840 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:39:25,840 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:39:25,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:25 BoogieIcfgContainer [2024-11-25 04:39:25,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:39:25,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:39:25,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:39:25,852 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:39:25,853 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:25" (1/1) ... [2024-11-25 04:39:25,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:39:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:39:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:39:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:39:25,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:25,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:39:25,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:39:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:39:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:26,137 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:26,265 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:26,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:39:26,316 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:39:26,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:39:26 ImpRootNode [2024-11-25 04:39:26,350 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:39:26,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:39:26,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:39:26,351 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:39:26,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:25" (3/4) ... [2024-11-25 04:39:26,354 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:39:26,416 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 04:39:26,469 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:39:26,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:39:26,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:39:26,474 INFO L158 Benchmark]: Toolchain (without parser) took 2681.33ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 33.9MB in the end (delta: 23.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-25 04:39:26,474 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:26,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1367.79ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:39:26,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.10ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:26,475 INFO L158 Benchmark]: Boogie Preprocessor took 45.33ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:26,476 INFO L158 Benchmark]: RCFGBuilder took 559.75ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 52.7MB in the end (delta: -6.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-25 04:39:26,476 INFO L158 Benchmark]: CodeCheck took 508.30ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 38.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:39:26,476 INFO L158 Benchmark]: Witness Printer took 120.75ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 33.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:39:26,479 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1560]: 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_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1367.79ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.10ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.33ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.75ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 52.7MB in the end (delta: -6.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 508.30ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 38.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 120.75ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 33.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:39:26,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1eae10-a5b4-4f95-9090-dc7596352c8a/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)