./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:54:57,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:54:57,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:54:57,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:54:57,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:54:57,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:54:57,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:54:57,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:54:57,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:54:57,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:54:57,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:54:57,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:54:57,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:54:57,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:54:57,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:54:57,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:54:57,953 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_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 [2024-12-06 00:54:58,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:54:58,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:54:58,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:54:58,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:54:58,197 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:54:58,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-12-06 00:55:00,829 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/2213eeebf/ea1981cd5e6843d397bef9ea80217dd7/FLAG763469107 [2024-12-06 00:55:01,118 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:55:01,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-12-06 00:55:01,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/2213eeebf/ea1981cd5e6843d397bef9ea80217dd7/FLAG763469107 [2024-12-06 00:55:01,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/2213eeebf/ea1981cd5e6843d397bef9ea80217dd7 [2024-12-06 00:55:01,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:55:01,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:55:01,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:01,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:55:01,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:55:01,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:01" (1/1) ... [2024-12-06 00:55:01,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8664bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:01, skipping insertion in model container [2024-12-06 00:55:01,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:01" (1/1) ... [2024-12-06 00:55:01,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:55:01,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:01,856 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:55:01,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:02,016 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:55:02,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02 WrapperNode [2024-12-06 00:55:02,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:02,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:02,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:55:02,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:55:02,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,062 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-12-06 00:55:02,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:02,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:55:02,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:55:02,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:55:02,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:55:02,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:55:02,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:55:02,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:55:02,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:02,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:55:02,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:55:02,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:55:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:55:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:55:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:55:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:55:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:55:02,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:55:02,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:55:02,418 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-12-06 00:55:02,418 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:55:02,576 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:55:02,576 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:55:02,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:02 BoogieIcfgContainer [2024-12-06 00:55:02,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:55:02,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:55:02,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:55:02,587 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:55:02,587 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:02" (1/1) ... [2024-12-06 00:55:02,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:55:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:55:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:55:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:55:02,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:55:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:02,845 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:55:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:02,985 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:55:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:03,023 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:55:03,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:55:03 ImpRootNode [2024-12-06 00:55:03,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:55:03,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:55:03,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:55:03,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:55:03,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:02" (3/4) ... [2024-12-06 00:55:03,050 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:55:03,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:55:03,052 INFO L158 Benchmark]: Toolchain (without parser) took 1896.48ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 91.6MB in the end (delta: 21.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-06 00:55:03,052 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:03,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.15ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 54.6MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:55:03,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.10ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 111.7MB in the end (delta: -57.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-06 00:55:03,054 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 111.0MB in the end (delta: 663.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:03,054 INFO L158 Benchmark]: RCFGBuilder took 490.93ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 72.7MB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:55:03,055 INFO L158 Benchmark]: CodeCheck took 468.19ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 92.5MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:03,055 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 91.6MB in the end (delta: 889.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:03,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.15ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 54.6MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.10ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 111.7MB in the end (delta: -57.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.87ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 111.0MB in the end (delta: 663.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.93ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 72.7MB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 468.19ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 92.5MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 91.6MB in the end (delta: 889.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:55:03,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:55:04,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:55:05,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:55:05,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:55:05,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:55:05,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:55:05,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:55:05,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:55:05,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:55:05,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:55:05,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:55:05,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:55:05,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:55:05,095 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:55:05,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:55:05,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:55:05,095 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:05,095 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:55:05,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:55:05,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:05,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:55:05,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:55:05,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:55:05,096 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:55:05,096 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:05,096 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:55:05,096 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_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f477b5fb0e7c3844245e013fefa70a4cbac2bb935d243d894c8ceb7ab6616078 [2024-12-06 00:55:05,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:55:05,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:55:05,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:55:05,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:55:05,354 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:55:05,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-12-06 00:55:08,013 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/63cc0fc21/3e225cb77df044b6a5c88926769ff9fa/FLAGa435dbff5 [2024-12-06 00:55:08,318 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:55:08,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_bad.i [2024-12-06 00:55:08,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/63cc0fc21/3e225cb77df044b6a5c88926769ff9fa/FLAGa435dbff5 [2024-12-06 00:55:08,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/data/63cc0fc21/3e225cb77df044b6a5c88926769ff9fa [2024-12-06 00:55:08,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:55:08,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:55:08,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:08,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:55:08,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:55:08,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:08" (1/1) ... [2024-12-06 00:55:08,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:08, skipping insertion in model container [2024-12-06 00:55:08,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:08" (1/1) ... [2024-12-06 00:55:08,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:55:09,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:09,032 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:55:09,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:09,216 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:55:09,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09 WrapperNode [2024-12-06 00:55:09,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:09,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:09,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:55:09,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:55:09,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,258 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-12-06 00:55:09,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:09,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:55:09,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:55:09,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:55:09,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,275 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:55:09,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:55:09,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:55:09,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:55:09,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:09,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:55:09,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:55:09,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:55:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:55:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:55:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:55:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:55:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:55:09,461 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:55:09,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:55:09,568 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-06 00:55:09,569 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:55:09,621 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:55:09,621 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:55:09,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:09 BoogieIcfgContainer [2024-12-06 00:55:09,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:55:09,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:55:09,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:55:09,632 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:55:09,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:09" (1/1) ... [2024-12-06 00:55:09,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:55:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:55:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:55:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:55:09,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:09,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:09,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:09,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:55:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:09,834 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:55:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:09,919 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:55:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:09,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:55:09,951 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:55:09,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:55:09 ImpRootNode [2024-12-06 00:55:09,975 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:55:09,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:55:09,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:55:09,976 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:55:09,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:09" (3/4) ... [2024-12-06 00:55:09,977 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:55:10,015 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 00:55:10,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:55:10,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:55:10,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:55:10,060 INFO L158 Benchmark]: Toolchain (without parser) took 1702.67ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 50.8MB in the end (delta: 15.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-06 00:55:10,061 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:10,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.69ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 60.7MB in the end (delta: 5.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 00:55:10,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.25ms. Allocated memory is still 92.3MB. Free memory was 60.7MB in the beginning and 58.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:10,061 INFO L158 Benchmark]: Boogie Preprocessor took 23.75ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:10,062 INFO L158 Benchmark]: RCFGBuilder took 338.43ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 39.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:55:10,062 INFO L158 Benchmark]: CodeCheck took 352.13ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 55.2MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:10,062 INFO L158 Benchmark]: Witness Printer took 84.17ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 50.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:55:10,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1555]: 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.69ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 60.7MB in the end (delta: 5.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.25ms. Allocated memory is still 92.3MB. Free memory was 60.7MB in the beginning and 58.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.75ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.43ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 39.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 352.13ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 55.2MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.17ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 50.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:55:10,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71c20b3-8ff8-4831-9cf8-d413438f4ea9/bin/ukojak-verify-CZk0znPC7b/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)