./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44523fe1c151be8c0347b65fb3ae07590a3a442ffc04a3a25420210d7f0ed911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:17:55,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:17:55,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:17:55,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:17:55,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:17:55,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:17:55,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:17:55,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:17:55,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:17:55,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:17:55,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:17:55,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:17:55,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:17:55,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:17:55,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:17:55,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:17:55,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:17:55,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:55,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:17:55,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:17:55,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:17:55,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:17:55,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:17:55,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44523fe1c151be8c0347b65fb3ae07590a3a442ffc04a3a25420210d7f0ed911 [2024-11-25 04:17:56,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:17:56,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:17:56,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:17:56,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:17:56,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:17:56,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i [2024-11-25 04:17:59,142 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/207e0d7b8/c12d553242314b47a7925b566911dcde/FLAG747f12a6d [2024-11-25 04:17:59,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:17:59,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i [2024-11-25 04:17:59,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/207e0d7b8/c12d553242314b47a7925b566911dcde/FLAG747f12a6d [2024-11-25 04:18:00,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/207e0d7b8/c12d553242314b47a7925b566911dcde [2024-11-25 04:18:00,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:18:00,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:18:00,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:00,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:18:00,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:18:00,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4ddebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00, skipping insertion in model container [2024-11-25 04:18:00,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:18:01,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:01,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:18:01,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:01,458 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:18:01,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01 WrapperNode [2024-11-25 04:18:01,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:01,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:01,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:18:01,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:18:01,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,504 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-25 04:18:01,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:01,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:18:01,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:18:01,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:18:01,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:18:01,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:18:01,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:18:01,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:18:01,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:01" (1/1) ... [2024-11-25 04:18:01,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:18:01,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:18:01,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:18:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:18:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:18:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:18:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:18:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:18:01,791 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:18:01,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:18:02,028 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 04:18:02,028 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:18:02,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:18:02,322 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:18:02,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:02 BoogieIcfgContainer [2024-11-25 04:18:02,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:18:02,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:18:02,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:18:02,333 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:18:02,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:02" (1/1) ... [2024-11-25 04:18:02,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:18:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:18:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:18:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:18:02,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:02,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:02,688 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:02,929 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:02,971 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:18:02,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:18:02 ImpRootNode [2024-11-25 04:18:02,995 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:18:02,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:18:02,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:18:02,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:18:02,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:02" (3/4) ... [2024-11-25 04:18:02,999 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:18:03,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:18:03,001 INFO L158 Benchmark]: Toolchain (without parser) took 2771.27ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 46.9MB in the end (delta: 44.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:03,001 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:03,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1226.37ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 82.5MB in the end (delta: 9.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 04:18:03,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:03,002 INFO L158 Benchmark]: Boogie Preprocessor took 23.83ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:03,003 INFO L158 Benchmark]: RCFGBuilder took 792.99ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 87.8MB in the end (delta: -9.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:03,003 INFO L158 Benchmark]: CodeCheck took 671.82ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 46.9MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:18:03,004 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:03,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1226.37ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 82.5MB in the end (delta: 9.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.83ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 792.99ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 87.8MB in the end (delta: -9.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * CodeCheck took 671.82ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 46.9MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:18:03,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44523fe1c151be8c0347b65fb3ae07590a3a442ffc04a3a25420210d7f0ed911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:18:05,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:18:05,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:18:05,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:18:05,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:18:05,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:18:05,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:18:05,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:18:05,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:18:05,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:18:05,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:18:05,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:18:05,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:18:05,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:18:05,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:18:05,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:18:05,904 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:18:05,904 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:18:05,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:18:05,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:18:05,906 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:18:05,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:18:05,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:18:05,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:18:05,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:18:05,906 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:18:05,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:05,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:18:05,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44523fe1c151be8c0347b65fb3ae07590a3a442ffc04a3a25420210d7f0ed911 [2024-11-25 04:18:06,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:18:06,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:18:06,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:18:06,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:18:06,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:18:06,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i [2024-11-25 04:18:09,145 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/9e9542afa/74f675efbab041d488b4b5aace20d676/FLAGaaf854f6a [2024-11-25 04:18:09,592 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:18:09,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_13_bad.i [2024-11-25 04:18:09,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/9e9542afa/74f675efbab041d488b4b5aace20d676/FLAGaaf854f6a [2024-11-25 04:18:09,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/data/9e9542afa/74f675efbab041d488b4b5aace20d676 [2024-11-25 04:18:09,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:18:09,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:18:09,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:09,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:18:09,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:18:09,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:09" (1/1) ... [2024-11-25 04:18:09,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db9fc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:09, skipping insertion in model container [2024-11-25 04:18:09,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:18:09" (1/1) ... [2024-11-25 04:18:09,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:18:10,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:10,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:18:10,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:10,925 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:18:10,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10 WrapperNode [2024-11-25 04:18:10,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:10,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:10,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:18:10,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:18:10,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,978 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-25 04:18:10,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:10,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:18:10,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:18:10,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:18:10,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,996 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:10,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:11,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:11,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:11,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:18:11,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:18:11,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:18:11,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:18:11,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:10" (1/1) ... [2024-11-25 04:18:11,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:11,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:18:11,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:18:11,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:18:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:18:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:18:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:18:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:18:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:18:11,255 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:18:11,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:18:11,407 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:18:11,408 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:18:11,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:18:11,479 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:18:11,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:11 BoogieIcfgContainer [2024-11-25 04:18:11,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:18:11,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:18:11,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:18:11,496 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:18:11,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:11" (1/1) ... [2024-11-25 04:18:11,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:18:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:18:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:18:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:18:11,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:11,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:11,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:18:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:11,776 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:11,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:18:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:18:11,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:18:11,953 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:18:11,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:18:11 ImpRootNode [2024-11-25 04:18:11,988 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:18:11,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:18:11,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:18:11,990 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:18:11,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:11" (3/4) ... [2024-11-25 04:18:11,993 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:18:12,048 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 04:18:12,099 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:18:12,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:18:12,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:18:12,103 INFO L158 Benchmark]: Toolchain (without parser) took 2439.00ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 58.7MB in the beginning and 121.3MB in the end (delta: -62.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-25 04:18:12,104 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:12,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.43ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 58.7MB in the beginning and 164.1MB in the end (delta: -105.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:12,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.40ms. Allocated memory is still 192.9MB. Free memory was 164.1MB in the beginning and 161.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:12,105 INFO L158 Benchmark]: Boogie Preprocessor took 25.33ms. Allocated memory is still 192.9MB. Free memory was 161.2MB in the beginning and 159.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:18:12,105 INFO L158 Benchmark]: RCFGBuilder took 474.64ms. Allocated memory is still 192.9MB. Free memory was 159.7MB in the beginning and 141.1MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:12,106 INFO L158 Benchmark]: CodeCheck took 507.60ms. Allocated memory is still 192.9MB. Free memory was 141.1MB in the beginning and 126.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:18:12,106 INFO L158 Benchmark]: Witness Printer took 110.23ms. Allocated memory is still 192.9MB. Free memory was 126.1MB in the beginning and 121.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:18:12,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.43ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 58.7MB in the beginning and 164.1MB in the end (delta: -105.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.40ms. Allocated memory is still 192.9MB. Free memory was 164.1MB in the beginning and 161.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.33ms. Allocated memory is still 192.9MB. Free memory was 161.2MB in the beginning and 159.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 474.64ms. Allocated memory is still 192.9MB. Free memory was 159.7MB in the beginning and 141.1MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 507.60ms. Allocated memory is still 192.9MB. Free memory was 141.1MB in the beginning and 126.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 110.23ms. Allocated memory is still 192.9MB. Free memory was 126.1MB in the beginning and 121.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:18:12,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b1ec073-752f-48c5-b4c4-82f974374130/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)