./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_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_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/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_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/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_7fbc5e4a-8e40-4614-831d-32602eea636b/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:17,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:17,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:19:17,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:19:17,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:19:17,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:17,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:17,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:17,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:17,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:17,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:17,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:17,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:19:17,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:17,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:17,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:17,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:17,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:17,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:17,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:17,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:17,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:17,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:17,837 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:19:17,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:19:17,837 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_7fbc5e4a-8e40-4614-831d-32602eea636b/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 -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-24 18:19:18,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:18,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:18,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:18,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:18,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:18,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-24 18:19:21,612 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/cb069f75c/e5f959dd03d64610bc3719b71f3486e2/FLAG114b6bcdd [2024-11-24 18:19:22,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:22,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-24 18:19:22,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/cb069f75c/e5f959dd03d64610bc3719b71f3486e2/FLAG114b6bcdd [2024-11-24 18:19:22,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/cb069f75c/e5f959dd03d64610bc3719b71f3486e2 [2024-11-24 18:19:22,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:22,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:22,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:22,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:22,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:22,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:22" (1/1) ... [2024-11-24 18:19:22,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c5366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:22, skipping insertion in model container [2024-11-24 18:19:22,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:22" (1/1) ... [2024-11-24 18:19:22,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:23,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:23,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:23,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:23,784 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:23,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23 WrapperNode [2024-11-24 18:19:23,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:23,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:23,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:23,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:23,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,881 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-24 18:19:23,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:23,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:23,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:23,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:23,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:23,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:23,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:23,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:23,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:23" (1/1) ... [2024-11-24 18:19:23,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:23,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:19:23,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:19:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:19:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:19:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:19:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:19:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:19:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:19:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:19:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:19:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:19:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:19:24,220 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:19:24,222 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:19:24,541 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-24 18:19:24,541 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:19:24,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:19:24,772 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:19:24,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:24 BoogieIcfgContainer [2024-11-24 18:19:24,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:19:24,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:19:24,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:19:24,820 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:19:24,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:24" (1/1) ... [2024-11-24 18:19:24,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:19:24,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:24,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:19:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:19:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:19:24,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:25,264 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:25,548 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:25,620 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:19:25,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:19:25 ImpRootNode [2024-11-24 18:19:25,663 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:19:25,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:19:25,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:19:25,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:19:25,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:24" (3/4) ... [2024-11-24 18:19:25,668 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:19:25,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:19:25,672 INFO L158 Benchmark]: Toolchain (without parser) took 3482.86ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 52.6MB in the end (delta: 37.1MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-24 18:19:25,674 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:25,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1594.13ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.5MB in the end (delta: 9.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-24 18:19:25,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.60ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:25,677 INFO L158 Benchmark]: Boogie Preprocessor took 45.06ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:25,678 INFO L158 Benchmark]: RCFGBuilder took 837.66ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 39.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:25,679 INFO L158 Benchmark]: CodeCheck took 889.89ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 53.2MB in the end (delta: -13.8MB). Peak memory consumption was 615.0kB. Max. memory is 16.1GB. [2024-11-24 18:19:25,681 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 117.4MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:25,683 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: 0.8s, 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, 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: 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 1558. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1594.13ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.5MB in the end (delta: 9.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.60ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.06ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 837.66ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 39.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 889.89ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 53.2MB in the end (delta: -13.8MB). Peak memory consumption was 615.0kB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 117.4MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:19:25,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/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_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/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_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/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_7fbc5e4a-8e40-4614-831d-32602eea636b/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:28,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:29,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:19:29,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:29,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:29,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:29,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:29,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:29,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:29,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:29,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:29,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:29,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:29,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:29,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:29,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:29,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:29,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:29,116 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:29,116 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:19:29,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:29,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:29,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:29,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:29,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:29,117 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:19:29,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:29,117 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:19:29,117 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_7fbc5e4a-8e40-4614-831d-32602eea636b/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 -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-24 18:19:29,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:29,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:29,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:29,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:29,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:29,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-24 18:19:33,012 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/3b27b629d/cf7d7ec56b5b4f5fba355e209395522b/FLAG8478ba6e3 [2024-11-24 18:19:33,582 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:33,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-24 18:19:33,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/3b27b629d/cf7d7ec56b5b4f5fba355e209395522b/FLAG8478ba6e3 [2024-11-24 18:19:33,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/data/3b27b629d/cf7d7ec56b5b4f5fba355e209395522b [2024-11-24 18:19:33,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:33,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:33,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:33,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:33,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:33,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:33" (1/1) ... [2024-11-24 18:19:33,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4116b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:33, skipping insertion in model container [2024-11-24 18:19:33,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:33" (1/1) ... [2024-11-24 18:19:33,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:34,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:34,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:34,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:35,186 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:35,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35 WrapperNode [2024-11-24 18:19:35,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:35,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:35,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:35,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:35,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,248 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-24 18:19:35,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:35,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:35,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:35,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:35,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:35,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:35,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:35,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:35,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:35,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:19:35,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:19:35,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:19:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:19:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:19:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:19:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:19:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:19:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:19:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:19:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:19:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:19:35,579 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:19:35,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:19:35,802 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-24 18:19:35,802 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:19:35,888 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:19:35,888 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:19:35,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:35 BoogieIcfgContainer [2024-11-24 18:19:35,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:19:35,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:19:35,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:19:35,909 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:19:35,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:19:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:19:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:19:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:19:35,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:35,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:35,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:35,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:35,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:19:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:36,255 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:36,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:36,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:19:36,531 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:19:36,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:19:36 ImpRootNode [2024-11-24 18:19:36,573 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:19:36,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:19:36,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:19:36,575 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:19:36,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:35" (3/4) ... [2024-11-24 18:19:36,578 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:19:36,640 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-24 18:19:36,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:19:36,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:19:36,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:19:36,706 INFO L158 Benchmark]: Toolchain (without parser) took 3048.50ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 33.3MB in the end (delta: 23.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:36,706 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:36,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.36ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-24 18:19:36,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.89ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 49.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:36,707 INFO L158 Benchmark]: Boogie Preprocessor took 34.07ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:36,708 INFO L158 Benchmark]: RCFGBuilder took 604.12ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 29.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:19:36,708 INFO L158 Benchmark]: CodeCheck took 683.79ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 38.0MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:36,708 INFO L158 Benchmark]: Witness Printer took 127.68ms. Allocated memory is still 83.9MB. Free memory was 38.0MB in the beginning and 33.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:19:36,712 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: 0.6s, 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, 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: 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.36ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.89ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 49.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.07ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 604.12ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 29.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 683.79ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 38.0MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.68ms. Allocated memory is still 83.9MB. Free memory was 38.0MB in the beginning and 33.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:19:36,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fbc5e4a-8e40-4614-831d-32602eea636b/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)