./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:21,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:21,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:12:21,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:12:21,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:12:21,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:21,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:21,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:21,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:21,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:21,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:21,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:21,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:21,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:21,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:21,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:21,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:21,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:21,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:21,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:21,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:21,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:21,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:21,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:21,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:12:21,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:12:21,483 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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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 -> 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 [2024-11-25 04:12:21,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:21,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:21,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:21,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:21,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:21,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-11-25 04:12:25,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/b02deeaef/ac7e1b3010b345c0955049415c6e0432/FLAGd9b363890 [2024-11-25 04:12:25,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:25,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-11-25 04:12:25,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/b02deeaef/ac7e1b3010b345c0955049415c6e0432/FLAGd9b363890 [2024-11-25 04:12:26,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/b02deeaef/ac7e1b3010b345c0955049415c6e0432 [2024-11-25 04:12:26,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:26,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:26,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:26,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:26,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:26,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:26" (1/1) ... [2024-11-25 04:12:26,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f131bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:26, skipping insertion in model container [2024-11-25 04:12:26,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:26" (1/1) ... [2024-11-25 04:12:26,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:27,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:27,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:27,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:27,982 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:27,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27 WrapperNode [2024-11-25 04:12:27,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:27,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:27,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:27,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:27,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,048 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-11-25 04:12:28,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:28,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:28,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:28,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:28,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:28,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:28,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:28,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:28,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:27" (1/1) ... [2024-11-25 04:12:28,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:28,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:28,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-25 04:12:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-25 04:12:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-25 04:12:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-25 04:12:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:12:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:12:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:28,370 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:28,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:28,683 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:28,683 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:29,060 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:29,060 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:12:29,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:29 BoogieIcfgContainer [2024-11-25 04:12:29,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:29,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:29,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:29,071 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:29,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:29" (1/1) ... [2024-11-25 04:12:29,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-11-25 04:12:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-25 04:12:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:12:29,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:29,501 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:29,780 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:29,857 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:12:29,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:12:29 ImpRootNode [2024-11-25 04:12:29,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:12:29,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:12:29,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:12:29,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:12:29,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:29" (3/4) ... [2024-11-25 04:12:29,906 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:12:29,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:12:29,908 INFO L158 Benchmark]: Toolchain (without parser) took 3498.15ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 81.1MB in the beginning and 212.0MB in the end (delta: -130.9MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:29,910 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:29,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.71ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.2MB in the end (delta: 9.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:29,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.94ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 68.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:29,912 INFO L158 Benchmark]: Boogie Preprocessor took 31.52ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 67.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:29,913 INFO L158 Benchmark]: RCFGBuilder took 978.39ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 67.0MB in the beginning and 257.7MB in the end (delta: -190.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:12:29,914 INFO L158 Benchmark]: CodeCheck took 839.07ms. Allocated memory is still 293.6MB. Free memory was 257.7MB in the beginning and 212.7MB in the end (delta: 45.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:12:29,914 INFO L158 Benchmark]: Witness Printer took 6.21ms. Allocated memory is still 293.6MB. Free memory was 212.7MB in the beginning and 212.0MB in the end (delta: 675.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:29,919 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 4 procedures, 32 locations, 4 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: 1563]: 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_rand_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [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)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --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 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.71ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.2MB in the end (delta: 9.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.94ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 68.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.52ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 67.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 978.39ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 67.0MB in the beginning and 257.7MB in the end (delta: -190.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 839.07ms. Allocated memory is still 293.6MB. Free memory was 257.7MB in the beginning and 212.7MB in the end (delta: 45.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.21ms. Allocated memory is still 293.6MB. Free memory was 212.7MB in the beginning and 212.0MB in the end (delta: 675.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:12:29,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:32,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:32,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:12:32,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:32,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:32,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:32,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:32,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:32,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:32,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:32,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:32,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:32,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:32,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:32,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:32,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:32,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:32,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:32,790 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:32,790 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:12:32,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:32,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:32,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:32,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:32,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:32,791 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:12:32,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:32,791 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:12:32,791 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_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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 -> 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 [2024-11-25 04:12:33,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:33,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:33,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:33,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:33,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:33,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-11-25 04:12:36,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/0a35cc37a/eddafc6940a84357b708b09ae3175760/FLAGad01adbdb [2024-11-25 04:12:36,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:36,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-11-25 04:12:36,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/0a35cc37a/eddafc6940a84357b708b09ae3175760/FLAGad01adbdb [2024-11-25 04:12:36,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/data/0a35cc37a/eddafc6940a84357b708b09ae3175760 [2024-11-25 04:12:36,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:36,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:36,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:36,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:36,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:36,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:36" (1/1) ... [2024-11-25 04:12:36,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59638f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:36, skipping insertion in model container [2024-11-25 04:12:36,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:36" (1/1) ... [2024-11-25 04:12:36,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:37,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:37,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:37,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:38,057 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:38,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38 WrapperNode [2024-11-25 04:12:38,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:38,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:38,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:38,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:38,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,111 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-25 04:12:38,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:38,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:38,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:38,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:38,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:38,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:38,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:38,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:38,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:38,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:38,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:38,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-25 04:12:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-25 04:12:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-25 04:12:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-25 04:12:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:12:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:12:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:38,426 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:38,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:38,638 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:38,639 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:38,728 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:38,728 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:12:38,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:38 BoogieIcfgContainer [2024-11-25 04:12:38,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:38,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:38,732 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:38,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:38,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:38" (1/1) ... [2024-11-25 04:12:38,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-11-25 04:12:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-25 04:12:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:12:38,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:38,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:38,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:12:38,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:12:38,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:12:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:39,100 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:39,291 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:39,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:12:39,377 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:12:39,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:12:39 ImpRootNode [2024-11-25 04:12:39,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:12:39,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:12:39,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:12:39,415 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:12:39,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:38" (3/4) ... [2024-11-25 04:12:39,417 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:12:39,482 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-11-25 04:12:39,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:12:39,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:12:39,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:12:39,547 INFO L158 Benchmark]: Toolchain (without parser) took 2783.77ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.5MB in the beginning and 231.1MB in the end (delta: -142.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-25 04:12:39,547 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:39,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.60ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 66.9MB in the end (delta: 21.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:39,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.98ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:39,550 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:39,550 INFO L158 Benchmark]: RCFGBuilder took 589.26ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 43.2MB in the end (delta: 19.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:12:39,553 INFO L158 Benchmark]: CodeCheck took 682.39ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 43.2MB in the beginning and 236.7MB in the end (delta: -193.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:39,553 INFO L158 Benchmark]: Witness Printer took 131.58ms. Allocated memory is still 276.8MB. Free memory was 236.7MB in the beginning and 231.1MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:39,556 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 4 procedures, 31 locations, 4 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, 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: 1563]: 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_rand_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [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)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.60ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 66.9MB in the end (delta: 21.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.98ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 589.26ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 43.2MB in the end (delta: 19.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 682.39ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 43.2MB in the beginning and 236.7MB in the end (delta: -193.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 131.58ms. Allocated memory is still 276.8MB. Free memory was 236.7MB in the beginning and 231.1MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:12:39,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d7cc6f1-c8cd-4e29-887d-344b1138c058/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)