./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_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_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/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_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/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_af3f451d-7e60-48fe-a540-7d5c81a14f60/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 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:37:06,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:37:06,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:37:06,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:37:06,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:37:06,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:37:06,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:37:06,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:37:06,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:37:06,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:37:06,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:37:06,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:37:06,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:37:06,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:37:06,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:37:06,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:37:06,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:37:06,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:37:06,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:37:06,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:37:06,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:37:06,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:37:06,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:37:06,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:37:06,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:37:06,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:37:06,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:37:06,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:37:06,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:37:06,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:37:06,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:37:06,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:37:06,525 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_af3f451d-7e60-48fe-a540-7d5c81a14f60/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 -> 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 [2024-11-25 04:37:06,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:37:06,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:37:06,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:37:06,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:37:06,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:37:06,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-11-25 04:37:09,942 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/2607c4232/3721fad20edc4a42986a168286ff0404/FLAGb1be22fdc [2024-11-25 04:37:10,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:37:10,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-11-25 04:37:10,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/2607c4232/3721fad20edc4a42986a168286ff0404/FLAGb1be22fdc [2024-11-25 04:37:10,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/2607c4232/3721fad20edc4a42986a168286ff0404 [2024-11-25 04:37:10,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:37:10,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:37:10,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:37:10,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:37:10,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:37:10,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:37:10" (1/1) ... [2024-11-25 04:37:10,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d24ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:10, skipping insertion in model container [2024-11-25 04:37:10,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:37:10" (1/1) ... [2024-11-25 04:37:10,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:37:11,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:37:11,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:37:11,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:37:12,043 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:37:12,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12 WrapperNode [2024-11-25 04:37:12,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:37:12,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:37:12,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:37:12,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:37:12,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,092 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-25 04:37:12,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:37:12,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:37:12,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:37:12,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:37:12,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:37:12,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:37:12,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:37:12,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:37:12,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:37:12,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:37:12,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:37:12,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:37:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:37:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:37:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:37:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:37:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:37:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-25 04:37:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-25 04:37:12,374 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:37:12,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:37:12,642 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 04:37:12,642 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:37:12,960 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:37:12,960 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:37:12,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:37:12 BoogieIcfgContainer [2024-11-25 04:37:12,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:37:12,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:37:12,962 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:37:12,972 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:37:12,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:37:12" (1/1) ... [2024-11-25 04:37:12,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:37:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-25 04:37:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-25 04:37:13,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:37:13,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:37:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:13,468 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:37:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:13,677 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:37:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:13,764 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:37:13,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:37:13 ImpRootNode [2024-11-25 04:37:13,808 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:37:13,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:37:13,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:37:13,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:37:13,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:37:12" (3/4) ... [2024-11-25 04:37:13,813 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:37:13,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:37:13,818 INFO L158 Benchmark]: Toolchain (without parser) took 3277.59ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 38.0MB in the end (delta: 53.3MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 04:37:13,818 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 142.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:37:13,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1503.06ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 82.8MB in the end (delta: 8.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 04:37:13,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.50ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 80.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:37:13,820 INFO L158 Benchmark]: Boogie Preprocessor took 23.31ms. 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 04:37:13,820 INFO L158 Benchmark]: RCFGBuilder took 844.13ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 87.5MB in the end (delta: -8.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-25 04:37:13,820 INFO L158 Benchmark]: CodeCheck took 846.32ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 38.0MB in the end (delta: 49.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:37:13,821 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 117.4MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:37:13,823 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] --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 1.48ms. Allocated memory is still 142.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1503.06ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 82.8MB in the end (delta: 8.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.50ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 80.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.31ms. 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 844.13ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 87.5MB in the end (delta: -8.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * CodeCheck took 846.32ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 38.0MB in the end (delta: 49.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 117.4MB. Free memory is still 38.0MB. 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 04:37:13,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/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_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/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_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/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_af3f451d-7e60-48fe-a540-7d5c81a14f60/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 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:37:16,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:37:16,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:37:16,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:37:16,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:37:16,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:37:16,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:37:16,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:37:16,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:37:16,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:37:16,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:37:16,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:37:16,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:37:16,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:37:16,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:37:16,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:37:16,775 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:37:16,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:16,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:37:16,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:37:16,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:37:16,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:37:16,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:37:16,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:37:16,776 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:37:16,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:16,776 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:37:16,776 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_af3f451d-7e60-48fe-a540-7d5c81a14f60/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 -> 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 [2024-11-25 04:37:17,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:37:17,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:37:17,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:37:17,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:37:17,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:37:17,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-11-25 04:37:20,208 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/31b19d53a/7353d7e3d06043dd9254adc24857351c/FLAGadf57e672 [2024-11-25 04:37:20,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:37:20,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-11-25 04:37:20,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/31b19d53a/7353d7e3d06043dd9254adc24857351c/FLAGadf57e672 [2024-11-25 04:37:20,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/data/31b19d53a/7353d7e3d06043dd9254adc24857351c [2024-11-25 04:37:20,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:37:20,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:37:20,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:37:20,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:37:20,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:37:20,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:37:20" (1/1) ... [2024-11-25 04:37:20,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b808f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:20, skipping insertion in model container [2024-11-25 04:37:20,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:37:20" (1/1) ... [2024-11-25 04:37:20,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:37:21,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:37:21,985 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:37:22,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:37:22,358 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:37:22,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22 WrapperNode [2024-11-25 04:37:22,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:37:22,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:37:22,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:37:22,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:37:22,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,435 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 04:37:22,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:37:22,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:37:22,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:37:22,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:37:22,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,464 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:37:22,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:37:22,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:37:22,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:37:22,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:37:22" (1/1) ... [2024-11-25 04:37:22,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:37:22,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:37:22,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:37:22,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:37:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:37:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:37:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:37:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:37:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:37:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-25 04:37:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-25 04:37:22,734 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:37:22,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:37:22,908 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:37:22,909 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:37:23,029 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:37:23,033 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:37:23,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:37:23 BoogieIcfgContainer [2024-11-25 04:37:23,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:37:23,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:37:23,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:37:23,047 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:37:23,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:37:23" (1/1) ... [2024-11-25 04:37:23,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:37:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-25 04:37:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-25 04:37:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:37:23,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:23,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:23,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:23,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:23,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:37:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:23,336 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:37:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:23,483 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:37:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:37:23,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:37:23,544 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:37:23,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:37:23 ImpRootNode [2024-11-25 04:37:23,582 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:37:23,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:37:23,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:37:23,585 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:37:23,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:37:23" (3/4) ... [2024-11-25 04:37:23,587 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:37:23,660 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-11-25 04:37:23,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:37:23,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:37:23,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:37:23,733 INFO L158 Benchmark]: Toolchain (without parser) took 2953.11ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 56.6MB in the end (delta: 25.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-25 04:37:23,733 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:37:23,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1574.94ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 60.2MB in the end (delta: 21.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 04:37:23,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.97ms. Allocated memory is still 109.1MB. Free memory was 60.2MB in the beginning and 57.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:37:23,736 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 55.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:37:23,737 INFO L158 Benchmark]: RCFGBuilder took 550.19ms. Allocated memory is still 109.1MB. Free memory was 55.6MB in the beginning and 77.0MB in the end (delta: -21.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-25 04:37:23,737 INFO L158 Benchmark]: CodeCheck took 548.31ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 62.1MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:37:23,737 INFO L158 Benchmark]: Witness Printer took 148.29ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 56.6MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:37:23,739 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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: 1567]: 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] --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 0.51ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1574.94ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 60.2MB in the end (delta: 21.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.97ms. Allocated memory is still 109.1MB. Free memory was 60.2MB in the beginning and 57.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 55.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.19ms. Allocated memory is still 109.1MB. Free memory was 55.6MB in the beginning and 77.0MB in the end (delta: -21.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * CodeCheck took 548.31ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 62.1MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 148.29ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 56.6MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:37:23,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af3f451d-7e60-48fe-a540-7d5c81a14f60/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)