./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_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_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/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_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/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_4628952e-563c-4f99-a7d4-33dec3808349/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 e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:43,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:43,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:48:43,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:48:43,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:48:43,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:43,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:43,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:43,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:43,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:43,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:43,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:43,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:48:43,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:43,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:43,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:43,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:43,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:43,121 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:48:43,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:48:43,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:43,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:43,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:43,126 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:43,126 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:43,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:43,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:43,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:43,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:43,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:43,128 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:48:43,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:48:43,133 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_4628952e-563c-4f99-a7d4-33dec3808349/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 [2024-11-08 19:48:43,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:43,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:43,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:43,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:43,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:43,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i Unable to find full path for "g++" [2024-11-08 19:48:45,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:45,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:45,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2024-11-08 19:48:45,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data/ce0c47d3e/cb00f8fdcf474237aff104dd7cccd06c/FLAGf0fdb0e42 [2024-11-08 19:48:45,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data/ce0c47d3e/cb00f8fdcf474237aff104dd7cccd06c [2024-11-08 19:48:45,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:45,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:45,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:45,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:45,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:45,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:45" (1/1) ... [2024-11-08 19:48:45,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c555a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:45, skipping insertion in model container [2024-11-08 19:48:45,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:45" (1/1) ... [2024-11-08 19:48:46,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:47,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:47,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:47,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:47,267 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:47,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47 WrapperNode [2024-11-08 19:48:47,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:47,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:47,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:47,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:47,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,325 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-08 19:48:47,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:47,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:47,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:47,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:47,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:47,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:47,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:47,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:47,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:47" (1/1) ... [2024-11-08 19:48:47,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:47,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:47,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:47,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:48:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:48:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:48:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:48:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:48:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:48:47,647 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:47,650 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:48:47,882 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-08 19:48:47,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:48:48,163 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:48:48,164 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:48:48,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:48 BoogieIcfgContainer [2024-11-08 19:48:48,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:48:48,166 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:48:48,167 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:48:48,177 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:48:48,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:48" (1/1) ... [2024-11-08 19:48:48,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:48:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:48:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:48:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:48:48,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:48,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:48,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:48,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:48:48,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:48:48 ImpRootNode [2024-11-08 19:48:48,925 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:48:48,926 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:48:48,926 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:48:48,926 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:48:48,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:48" (3/4) ... [2024-11-08 19:48:48,929 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:48:48,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:48:48,932 INFO L158 Benchmark]: Toolchain (without parser) took 2989.45ms. Allocated memory is still 167.8MB. Free memory was 134.2MB in the beginning and 129.4MB in the end (delta: 4.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-08 19:48:48,932 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:48,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.74ms. Allocated memory is still 167.8MB. Free memory was 134.2MB in the beginning and 71.2MB in the end (delta: 63.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 19:48:48,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.00ms. Allocated memory is still 167.8MB. Free memory was 71.2MB in the beginning and 67.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:48,934 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 66.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:48,935 INFO L158 Benchmark]: RCFGBuilder took 801.46ms. Allocated memory is still 167.8MB. Free memory was 66.4MB in the beginning and 99.4MB in the end (delta: -33.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:48:48,935 INFO L158 Benchmark]: CodeCheck took 759.08ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 129.4MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:48,936 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 167.8MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:48,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.74ms. Allocated memory is still 167.8MB. Free memory was 134.2MB in the beginning and 71.2MB in the end (delta: 63.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.00ms. Allocated memory is still 167.8MB. Free memory was 71.2MB in the beginning and 67.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 167.8MB. Free memory was 67.8MB in the beginning and 66.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.46ms. Allocated memory is still 167.8MB. Free memory was 66.4MB in the beginning and 99.4MB in the end (delta: -33.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 759.08ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 129.4MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 167.8MB. Free memory is still 129.4MB. 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 19:48:48,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/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 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_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/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_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/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_4628952e-563c-4f99-a7d4-33dec3808349/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 e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:51,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:51,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:48:51,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:51,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:51,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:51,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:51,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:51,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:51,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:51,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:51,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:51,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:51,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:51,591 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:48:51,591 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:48:51,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:51,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:48:51,592 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:48:51,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:48:51,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:51,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:51,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:51,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:51,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:51,594 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:51,594 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:48:51,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:51,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:51,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:51,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:51,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:51,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:48:51,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:51,601 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:48:51,601 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_4628952e-563c-4f99-a7d4-33dec3808349/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 [2024-11-08 19:48:52,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:52,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:52,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:52,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:52,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:52,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i Unable to find full path for "g++" [2024-11-08 19:48:54,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:54,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:54,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2024-11-08 19:48:54,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data/b52693669/bb998e33fecf481f93ca7639252d5a80/FLAGa31746493 [2024-11-08 19:48:54,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/data/b52693669/bb998e33fecf481f93ca7639252d5a80 [2024-11-08 19:48:54,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:54,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:54,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:54,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:54,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:54,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:54" (1/1) ... [2024-11-08 19:48:54,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c3c93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:54, skipping insertion in model container [2024-11-08 19:48:54,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:54" (1/1) ... [2024-11-08 19:48:54,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:55,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:55,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:56,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:56,228 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:56,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56 WrapperNode [2024-11-08 19:48:56,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:56,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:56,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:56,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:56,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,314 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-08 19:48:56,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:56,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:56,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:56,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:56,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:56,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:56,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:56,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:56,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:56,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:56,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:56,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:48:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:48:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:48:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:48:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:48:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:48:56,680 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:56,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:48:56,859 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 19:48:56,859 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:48:56,959 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:48:56,960 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:48:56,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:56 BoogieIcfgContainer [2024-11-08 19:48:56,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:48:56,962 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:48:56,962 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:48:56,974 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:48:56,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:56" (1/1) ... [2024-11-08 19:48:56,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:48:57,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:48:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:48:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:48:57,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:57,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:57,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:48:57,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:48:57,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:48:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:57,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:57,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:48:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:48:57,568 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:48:57,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:48:57,573 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:48:57,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:48:57 ImpRootNode [2024-11-08 19:48:57,600 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:48:57,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:48:57,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:48:57,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:48:57,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:56" (3/4) ... [2024-11-08 19:48:57,605 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:48:57,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:48:57,607 INFO L158 Benchmark]: Toolchain (without parser) took 2750.41ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 62.4MB in the beginning and 48.5MB in the end (delta: 13.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,608 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:57,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.98ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 52.3MB in the end (delta: 10.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.12ms. Allocated memory is still 90.2MB. Free memory was 52.3MB in the beginning and 48.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,610 INFO L158 Benchmark]: Boogie Preprocessor took 47.75ms. Allocated memory is still 90.2MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,611 INFO L158 Benchmark]: RCFGBuilder took 595.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 46.8MB in the beginning and 67.4MB in the end (delta: -20.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,612 INFO L158 Benchmark]: CodeCheck took 638.38ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 49.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,612 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 109.1MB. Free memory was 49.3MB in the beginning and 49.1MB in the end (delta: 195.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:48:57,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.98ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 52.3MB in the end (delta: 10.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.12ms. Allocated memory is still 90.2MB. Free memory was 52.3MB in the beginning and 48.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.75ms. Allocated memory is still 90.2MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 46.8MB in the beginning and 67.4MB in the end (delta: -20.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 638.38ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 49.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 109.1MB. Free memory was 49.3MB in the beginning and 49.1MB in the end (delta: 195.2kB). 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 19:48:57,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4628952e-563c-4f99-a7d4-33dec3808349/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