./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/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_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/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_37d127c7-722f-4819-b81b-67a1bdf91fad/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 f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:34,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:34,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:44:34,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:44:34,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:44:34,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:34,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:34,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:34,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:34,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:34,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:34,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:34,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:44:34,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:34,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:34,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:34,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:34,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:34,932 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:44:34,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:44:34,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:34,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:34,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:34,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:34,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:34,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:34,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:34,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:34,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:34,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:34,939 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:44:34,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:44:34,940 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_37d127c7-722f-4819-b81b-67a1bdf91fad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 [2024-11-08 22:44:35,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:35,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:35,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:35,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:35,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:35,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i Unable to find full path for "g++" [2024-11-08 22:44:37,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:37,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:37,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-11-08 22:44:37,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data/52013ebe3/631d3c80934b4c7ca35ebd7b61589d77/FLAGd15f513bb [2024-11-08 22:44:37,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data/52013ebe3/631d3c80934b4c7ca35ebd7b61589d77 [2024-11-08 22:44:37,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:37,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:37,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:37,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:37,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:37,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:37" (1/1) ... [2024-11-08 22:44:37,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2692e68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:37, skipping insertion in model container [2024-11-08 22:44:37,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:37" (1/1) ... [2024-11-08 22:44:37,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:38,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:38,878 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:38,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:39,124 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:39,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39 WrapperNode [2024-11-08 22:44:39,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:39,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:39,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:39,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:39,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,192 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-08 22:44:39,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:39,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:39,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:39,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:39,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:39,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:39,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:39,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:39,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:39" (1/1) ... [2024-11-08 22:44:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:39,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:39,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:39,526 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:39,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:39,782 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:39,782 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:40,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:40,002 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:44:40,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:40 BoogieIcfgContainer [2024-11-08 22:44:40,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:40,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:40,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:40,015 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:40,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:40" (1/1) ... [2024-11-08 22:44:40,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:44:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:44:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:44:40,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:40,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:40,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:40,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:40,753 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:40,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:40 ImpRootNode [2024-11-08 22:44:40,792 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:40,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:40,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:40,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:40,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:40" (3/4) ... [2024-11-08 22:44:40,798 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:40,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:40,801 INFO L158 Benchmark]: Toolchain (without parser) took 3015.07ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 106.2MB in the end (delta: 38.0MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-08 22:44:40,802 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:40,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1338.38ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 133.4MB in the end (delta: 10.9MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:40,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.00ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 130.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:40,805 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:40,806 INFO L158 Benchmark]: RCFGBuilder took 780.32ms. Allocated memory is still 180.4MB. Free memory was 128.4MB in the beginning and 88.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:40,806 INFO L158 Benchmark]: CodeCheck took 788.29ms. Allocated memory is still 180.4MB. Free memory was 88.6MB in the beginning and 106.2MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:40,806 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 180.4MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:40,812 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1563, overapproximation of bitwiseOr at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1338.38ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 133.4MB in the end (delta: 10.9MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.00ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 130.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.32ms. Allocated memory is still 180.4MB. Free memory was 128.4MB in the beginning and 88.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 788.29ms. Allocated memory is still 180.4MB. Free memory was 88.6MB in the beginning and 106.2MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 180.4MB. Free memory is still 106.2MB. 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 22:44:40,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/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_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/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_37d127c7-722f-4819-b81b-67a1bdf91fad/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 f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:43,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:43,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:44:43,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:43,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:43,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:43,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:43,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:43,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:43,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:43,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:43,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:43,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:43,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:43,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:44:43,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:44:43,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:43,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:44:43,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:44:43,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:44:43,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:43,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:43,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:43,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:43,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:43,483 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:43,484 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:44:43,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:43,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:43,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:43,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:43,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:43,486 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:44:43,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:43,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:44:43,486 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_37d127c7-722f-4819-b81b-67a1bdf91fad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 [2024-11-08 22:44:43,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:43,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:43,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:43,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:43,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:43,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i Unable to find full path for "g++" [2024-11-08 22:44:45,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:46,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:46,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-11-08 22:44:46,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data/8403c0481/49f3b7bada0b44a2b5b8517e7a46a403/FLAG92de85e4b [2024-11-08 22:44:46,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/data/8403c0481/49f3b7bada0b44a2b5b8517e7a46a403 [2024-11-08 22:44:46,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:46,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:46,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:46,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:46,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:46,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:46" (1/1) ... [2024-11-08 22:44:46,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63807fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:46, skipping insertion in model container [2024-11-08 22:44:46,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:46" (1/1) ... [2024-11-08 22:44:46,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:47,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:47,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:47,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:47,848 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:47,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47 WrapperNode [2024-11-08 22:44:47,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:47,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:47,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:47,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:47,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,921 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-08 22:44:47,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:47,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:47,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:47,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:47,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:47,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:47,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:47,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:47,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:47" (1/1) ... [2024-11-08 22:44:47,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:48,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:48,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:48,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:44:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:44:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:48,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:48,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:48,358 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:48,359 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:48,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:48,459 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:44:48,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:48 BoogieIcfgContainer [2024-11-08 22:44:48,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:48,460 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:48,460 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:48,470 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:48,471 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:48" (1/1) ... [2024-11-08 22:44:48,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:44:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:44:48,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:44:48,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:48,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:48,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:48,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:44:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:48,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:48,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:44:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:44:48,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:48,921 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:44:48,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:44:48 ImpRootNode [2024-11-08 22:44:48,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:44:48,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:44:48,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:44:48,960 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:44:48,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:48" (3/4) ... [2024-11-08 22:44:48,963 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:44:48,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:44:48,965 INFO L158 Benchmark]: Toolchain (without parser) took 2564.26ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 53.3MB in the beginning and 58.4MB in the end (delta: -5.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,966 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:48,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.31ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 53.1MB in the beginning and 70.3MB in the end (delta: -17.2MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.30ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 67.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,968 INFO L158 Benchmark]: Boogie Preprocessor took 53.38ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 65.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,969 INFO L158 Benchmark]: RCFGBuilder took 481.58ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 74.0MB in the end (delta: -8.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,970 INFO L158 Benchmark]: CodeCheck took 496.69ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 58.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:44:48,971 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:44:48,976 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1555]: 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 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.31ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 53.1MB in the beginning and 70.3MB in the end (delta: -17.2MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.30ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 67.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.38ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 65.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.58ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 74.0MB in the end (delta: -8.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * CodeCheck took 496.69ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 58.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 2.6kB). 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 22:44:49,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d127c7-722f-4819-b81b-67a1bdf91fad/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