./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_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_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/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_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/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_cf4129ad-28ce-492f-8ba4-31898d56dc03/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 cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:06:21,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:06:21,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:06:21,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:06:21,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:06:21,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:06:21,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:06:21,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:06:21,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:06:21,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:06:21,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:06:21,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:06:21,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:06:21,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:06:21,588 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:06:21,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:06:21,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:06:21,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:06:21,588 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:06:21,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:06:21,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:21,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:06:21,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:06:21,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:06:21,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:06:21,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:06:21,589 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_cf4129ad-28ce-492f-8ba4-31898d56dc03/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 -> cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 [2024-11-25 03:06:21,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:06:21,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:06:21,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:06:21,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:06:21,909 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:06:21,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2024-11-25 03:06:24,868 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/50893bec4/d4ea4072525e401cab58a3b729a55d6a/FLAGfa8efc264 [2024-11-25 03:06:25,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:06:25,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2024-11-25 03:06:25,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/50893bec4/d4ea4072525e401cab58a3b729a55d6a/FLAGfa8efc264 [2024-11-25 03:06:25,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/50893bec4/d4ea4072525e401cab58a3b729a55d6a [2024-11-25 03:06:25,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:06:25,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:06:25,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:25,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:06:25,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:06:25,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:25" (1/1) ... [2024-11-25 03:06:25,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ec290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:25, skipping insertion in model container [2024-11-25 03:06:25,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:25" (1/1) ... [2024-11-25 03:06:25,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:06:26,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:26,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:06:26,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:26,876 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:06:26,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26 WrapperNode [2024-11-25 03:06:26,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:26,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:26,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:06:26,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:06:26,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,927 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2024-11-25 03:06:26,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:26,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:06:26,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:06:26,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:06:26,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,946 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:06:26,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:06:26,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:06:26,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:06:26,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:26" (1/1) ... [2024-11-25 03:06:26,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:26,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:06:27,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:06:27,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:06:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:06:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:06:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:06:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:06:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:06:27,238 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:06:27,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:06:27,498 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-25 03:06:27,498 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:06:27,785 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:06:27,785 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:06:27,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:27 BoogieIcfgContainer [2024-11-25 03:06:27,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:06:27,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:06:27,787 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:06:27,797 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:06:27,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:27" (1/1) ... [2024-11-25 03:06:27,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:06:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 03:06:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 03:06:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:06:27,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:27,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:28,250 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:28,481 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:28,562 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:06:28,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:06:28 ImpRootNode [2024-11-25 03:06:28,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:06:28,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:06:28,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:06:28,599 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:06:28,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:27" (3/4) ... [2024-11-25 03:06:28,603 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:06:28,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:06:28,605 INFO L158 Benchmark]: Toolchain (without parser) took 3184.00ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 48.2MB in the end (delta: 41.0MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-25 03:06:28,608 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:28,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.84ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.0MB in the end (delta: 9.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 03:06:28,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.96ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:28,609 INFO L158 Benchmark]: Boogie Preprocessor took 26.50ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:28,610 INFO L158 Benchmark]: RCFGBuilder took 830.74ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 38.8MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:06:28,610 INFO L158 Benchmark]: CodeCheck took 811.33ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 48.3MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:28,612 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 48.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:28,617 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 10 NumberOfCodeBlocks, 10 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: 1566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 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 0.26ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.84ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.0MB in the end (delta: 9.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.96ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.50ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 830.74ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 38.8MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 811.33ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 48.3MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 48.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:06:28,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/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_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/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_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/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_cf4129ad-28ce-492f-8ba4-31898d56dc03/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 cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:06:31,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:06:31,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:06:31,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:06:31,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:06:31,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:06:31,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:06:31,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:06:31,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:06:31,463 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:06:31,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:06:31,464 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:31,465 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:06:31,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:06:31,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:31,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:06:31,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:06:31,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:06:31,465 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:06:31,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:31,466 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:06:31,466 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_cf4129ad-28ce-492f-8ba4-31898d56dc03/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 -> cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 [2024-11-25 03:06:31,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:06:31,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:06:31,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:06:31,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:06:31,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:06:31,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2024-11-25 03:06:34,764 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/cce065d08/feb30fc21ebb493d97fef628285ce831/FLAGa64991a2e [2024-11-25 03:06:35,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:06:35,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2024-11-25 03:06:35,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/cce065d08/feb30fc21ebb493d97fef628285ce831/FLAGa64991a2e [2024-11-25 03:06:35,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/data/cce065d08/feb30fc21ebb493d97fef628285ce831 [2024-11-25 03:06:35,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:06:35,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:06:35,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:35,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:06:35,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:06:35,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:35" (1/1) ... [2024-11-25 03:06:35,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffddaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:35, skipping insertion in model container [2024-11-25 03:06:35,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:35" (1/1) ... [2024-11-25 03:06:35,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:06:36,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:36,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:06:36,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:36,515 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:06:36,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36 WrapperNode [2024-11-25 03:06:36,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:36,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:36,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:06:36,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:06:36,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,572 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-25 03:06:36,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:36,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:06:36,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:06:36,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:06:36,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:06:36,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:06:36,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:06:36,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:06:36,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:36" (1/1) ... [2024-11-25 03:06:36,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:06:36,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:06:36,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:06:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:06:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:06:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:06:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:06:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:06:36,897 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:06:36,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:06:37,113 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-25 03:06:37,113 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:06:37,212 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:06:37,213 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:06:37,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:37 BoogieIcfgContainer [2024-11-25 03:06:37,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:06:37,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:06:37,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:06:37,234 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:06:37,234 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:37" (1/1) ... [2024-11-25 03:06:37,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:06:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 03:06:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 03:06:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:06:37,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:37,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:06:37,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:06:37,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:06:37,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:06:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:37,523 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:37,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:37,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:06:37,725 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:06:37,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:06:37 ImpRootNode [2024-11-25 03:06:37,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:06:37,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:06:37,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:06:37,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:06:37,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:37" (3/4) ... [2024-11-25 03:06:37,771 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:06:37,828 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 03:06:37,881 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:06:37,881 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:06:37,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:06:37,884 INFO L158 Benchmark]: Toolchain (without parser) took 2680.28ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.5MB in the beginning and 159.6MB in the end (delta: -70.1MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-25 03:06:37,885 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:37,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1312.89ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.5MB in the beginning and 203.4MB in the end (delta: -113.9MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-25 03:06:37,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.90ms. Allocated memory is still 251.7MB. Free memory was 203.4MB in the beginning and 201.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:37,886 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 251.7MB. Free memory was 201.0MB in the beginning and 199.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:37,887 INFO L158 Benchmark]: RCFGBuilder took 610.79ms. Allocated memory is still 251.7MB. Free memory was 199.0MB in the beginning and 180.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:06:37,887 INFO L158 Benchmark]: CodeCheck took 551.86ms. Allocated memory is still 251.7MB. Free memory was 180.4MB in the beginning and 164.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:06:37,888 INFO L158 Benchmark]: Witness Printer took 114.05ms. Allocated memory is still 251.7MB. Free memory was 164.3MB in the beginning and 159.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:06:37,891 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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: 1566]: 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1312.89ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.5MB in the beginning and 203.4MB in the end (delta: -113.9MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.90ms. Allocated memory is still 251.7MB. Free memory was 203.4MB in the beginning and 201.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 251.7MB. Free memory was 201.0MB in the beginning and 199.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.79ms. Allocated memory is still 251.7MB. Free memory was 199.0MB in the beginning and 180.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 551.86ms. Allocated memory is still 251.7MB. Free memory was 180.4MB in the beginning and 164.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 114.05ms. Allocated memory is still 251.7MB. Free memory was 164.3MB in the beginning and 159.6MB 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! [2024-11-25 03:06:37,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4129ad-28ce-492f-8ba4-31898d56dc03/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)