./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk --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 ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:47:27,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:47:27,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:47:27,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:47:27,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:47:27,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:47:27,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:47:27,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:47:27,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:47:27,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:47:27,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:47:27,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:47:27,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:47:27,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:47:27,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:47:27,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:47:27,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:47:27,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:47:27,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:47:27,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:47:27,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:47:27,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:47:27,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:47:27,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:47:27,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:47:27,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:47:27,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:27,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:47:27,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:47:27,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:47:27,371 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:47:27,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:47:27,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 [2024-11-08 22:47:27,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:47:27,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:47:27,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:47:27,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:47:27,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:47:27,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i Unable to find full path for "g++" [2024-11-08 22:47:29,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:47:30,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:47:30,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2024-11-08 22:47:30,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data/74cf62de1/a8ad5c4cfe5941d39bfd6885a501c6a2/FLAGbf81d4f9a [2024-11-08 22:47:30,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data/74cf62de1/a8ad5c4cfe5941d39bfd6885a501c6a2 [2024-11-08 22:47:30,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:47:30,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:47:30,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:30,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:47:30,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:47:30,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:30" (1/1) ... [2024-11-08 22:47:30,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b635c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:30, skipping insertion in model container [2024-11-08 22:47:30,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:30" (1/1) ... [2024-11-08 22:47:30,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:47:31,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:31,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:47:32,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:32,347 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:47:32,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32 WrapperNode [2024-11-08 22:47:32,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:32,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:32,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:47:32,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:47:32,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,453 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-08 22:47:32,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:32,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:47:32,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:47:32,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:47:32,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:47:32,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:47:32,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:47:32,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:47:32,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:32" (1/1) ... [2024-11-08 22:47:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:32,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:47:32,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:47:32,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:47:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:47:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:47:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:47:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:47:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:47:32,809 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:47:32,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:47:33,077 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-08 22:47:33,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:47:33,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:47:33,382 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:47:33,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:33 BoogieIcfgContainer [2024-11-08 22:47:33,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:47:33,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:47:33,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:47:33,398 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:47:33,399 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:33" (1/1) ... [2024-11-08 22:47:33,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:47:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:47:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:47:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:47:33,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:33,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:34,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:34,178 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:47:34,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:47:34 ImpRootNode [2024-11-08 22:47:34,217 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:47:34,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:47:34,218 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:47:34,218 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:47:34,219 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:33" (3/4) ... [2024-11-08 22:47:34,222 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:47:34,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:47:34,225 INFO L158 Benchmark]: Toolchain (without parser) took 3732.76ms. Allocated memory is still 201.3MB. Free memory was 165.7MB in the beginning and 136.3MB in the end (delta: 29.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:34,226 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 130.0MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:34,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1854.32ms. Allocated memory is still 201.3MB. Free memory was 165.2MB in the beginning and 155.2MB in the end (delta: 9.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2024-11-08 22:47:34,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.36ms. Allocated memory is still 201.3MB. Free memory was 155.2MB in the beginning and 152.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:34,228 INFO L158 Benchmark]: Boogie Preprocessor took 50.95ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 149.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:34,229 INFO L158 Benchmark]: RCFGBuilder took 872.31ms. Allocated memory is still 201.3MB. Free memory was 149.9MB in the beginning and 107.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:47:34,230 INFO L158 Benchmark]: CodeCheck took 833.24ms. Allocated memory is still 201.3MB. Free memory was 107.9MB in the beginning and 136.3MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:34,230 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 201.3MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:34,234 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568, 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_03_bad() [L1550] int data; [L1551] data = 0 [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)) [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 0.42ms. Allocated memory is still 130.0MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1854.32ms. Allocated memory is still 201.3MB. Free memory was 165.2MB in the beginning and 155.2MB in the end (delta: 9.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.36ms. Allocated memory is still 201.3MB. Free memory was 155.2MB in the beginning and 152.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.95ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 149.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.31ms. Allocated memory is still 201.3MB. Free memory was 149.9MB in the beginning and 107.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 833.24ms. Allocated memory is still 201.3MB. Free memory was 107.9MB in the beginning and 136.3MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 201.3MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:47:34,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk --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 ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:47:37,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:47:37,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:47:37,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:47:37,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:47:37,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:47:37,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:47:37,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:47:37,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:47:37,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:47:37,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:47:37,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:47:37,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:47:37,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:47:37,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:47:37,440 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:47:37,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:47:37,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:47:37,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:47:37,446 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:47:37,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:47:37,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:47:37,448 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:47:37,448 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:47:37,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:47:37,451 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:37,451 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:47:37,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:47:37,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:37,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:47:37,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:47:37,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:47:37,453 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:47:37,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:37,454 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:47:37,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 [2024-11-08 22:47:37,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:47:37,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:47:37,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:47:37,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:47:37,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:47:37,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i Unable to find full path for "g++" [2024-11-08 22:47:40,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:47:40,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:47:40,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2024-11-08 22:47:40,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data/c7b2155bc/ee1ad1749dee413ea0e142cd66a56055/FLAGf26a9b9af [2024-11-08 22:47:40,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/data/c7b2155bc/ee1ad1749dee413ea0e142cd66a56055 [2024-11-08 22:47:40,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:47:40,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:47:40,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:40,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:47:40,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:47:40,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:40" (1/1) ... [2024-11-08 22:47:40,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d3cdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:40, skipping insertion in model container [2024-11-08 22:47:40,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:40" (1/1) ... [2024-11-08 22:47:40,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:47:42,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:42,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:47:42,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:42,578 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:47:42,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42 WrapperNode [2024-11-08 22:47:42,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:42,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:42,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:47:42,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:47:42,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,709 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-08 22:47:42,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:42,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:47:42,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:47:42,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:47:42,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:47:42,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:47:42,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:47:42,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:47:42,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:42" (1/1) ... [2024-11-08 22:47:42,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:47:42,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:47:42,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:47:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:47:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:47:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:47:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:47:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:47:43,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:47:43,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:47:43,262 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:47:43,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:47:43,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:47:43,402 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:47:43,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:43 BoogieIcfgContainer [2024-11-08 22:47:43,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:47:43,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:47:43,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:47:43,420 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:47:43,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:43" (1/1) ... [2024-11-08 22:47:43,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:47:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:47:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:47:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:47:43,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:43,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:43,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:43,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:47:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:43,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:43,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:47:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:43,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:47:43,980 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:47:44,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:47:44 ImpRootNode [2024-11-08 22:47:44,015 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:47:44,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:47:44,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:47:44,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:47:44,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:43" (3/4) ... [2024-11-08 22:47:44,023 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:47:44,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:47:44,026 INFO L158 Benchmark]: Toolchain (without parser) took 3287.19ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 50.1MB in the beginning and 38.3MB in the end (delta: 11.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,026 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 56.6MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:47:44,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1839.56ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 38.6MB in the end (delta: 11.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.87ms. Allocated memory is still 77.6MB. Free memory was 38.6MB in the beginning and 35.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,028 INFO L158 Benchmark]: Boogie Preprocessor took 65.76ms. Allocated memory is still 77.6MB. Free memory was 35.6MB in the beginning and 33.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,030 INFO L158 Benchmark]: RCFGBuilder took 625.17ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 54.0MB in the end (delta: -20.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,031 INFO L158 Benchmark]: CodeCheck took 609.80ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 39.1MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,032 INFO L158 Benchmark]: Witness Printer took 8.66ms. Allocated memory is still 96.5MB. Free memory was 39.1MB in the beginning and 38.3MB in the end (delta: 751.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:47:44,038 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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_03_bad() [L1550] int data; [L1551] data = 0 [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)) [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 0.60ms. Allocated memory is still 56.6MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1839.56ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 38.6MB in the end (delta: 11.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.87ms. Allocated memory is still 77.6MB. Free memory was 38.6MB in the beginning and 35.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.76ms. Allocated memory is still 77.6MB. Free memory was 35.6MB in the beginning and 33.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.17ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 54.0MB in the end (delta: -20.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 609.80ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 39.1MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.66ms. Allocated memory is still 96.5MB. Free memory was 39.1MB in the beginning and 38.3MB in the end (delta: 751.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:47:44,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f147d05-dfca-490a-b836-fffd1c73e5d3/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample