./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_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_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:10:41,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:10:41,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:10:41,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:10:41,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:10:41,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:10:41,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:10:41,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:10:41,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:10:41,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:10:41,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:10:41,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:10:41,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:10:41,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:10:41,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:10:41,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:10:41,579 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_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2024-12-06 04:10:41,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:10:41,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:10:41,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:10:41,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:10:41,823 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:10:41,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-12-06 04:10:44,477 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/71f76d8db/b2c6835bb6ac48ed8bccf7be3fe49427/FLAGaf8fa801a [2024-12-06 04:10:44,763 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:10:44,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-12-06 04:10:44,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/71f76d8db/b2c6835bb6ac48ed8bccf7be3fe49427/FLAGaf8fa801a [2024-12-06 04:10:44,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/71f76d8db/b2c6835bb6ac48ed8bccf7be3fe49427 [2024-12-06 04:10:44,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:10:44,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:10:44,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:10:44,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:10:44,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:10:44,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:10:44" (1/1) ... [2024-12-06 04:10:44,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b329050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:44, skipping insertion in model container [2024-12-06 04:10:44,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:10:44" (1/1) ... [2024-12-06 04:10:44,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:10:45,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:10:45,453 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:10:45,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:10:45,641 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:10:45,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45 WrapperNode [2024-12-06 04:10:45,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:10:45,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:10:45,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:10:45,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:10:45,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,680 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 99 [2024-12-06 04:10:45,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:10:45,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:10:45,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:10:45,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:10:45,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,696 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:10:45,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:10:45,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:10:45,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:10:45,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:45" (1/1) ... [2024-12-06 04:10:45,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:10:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:10:45,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:10:45,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:10:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:10:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:10:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:10:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:10:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:10:45,860 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:10:45,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:10:46,030 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-06 04:10:46,030 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:10:46,187 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:10:46,188 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:10:46,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:46 BoogieIcfgContainer [2024-12-06 04:10:46,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:10:46,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:10:46,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:10:46,198 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:10:46,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:46" (1/1) ... [2024-12-06 04:10:46,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:10:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 04:10:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 04:10:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:10:46,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:46,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:10:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:46,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:10:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:46,581 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:10:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:46,618 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:10:46,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:10:46 ImpRootNode [2024-12-06 04:10:46,641 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:10:46,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:10:46,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:10:46,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:10:46,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:46" (3/4) ... [2024-12-06 04:10:46,644 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:10:46,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:10:46,646 INFO L158 Benchmark]: Toolchain (without parser) took 1848.31ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 92.2MB in the end (delta: 21.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-12-06 04:10:46,647 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:46,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 842.30ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 111.7MB in the end (delta: 1.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2024-12-06 04:10:46,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.15ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 109.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:46,648 INFO L158 Benchmark]: Boogie Preprocessor took 21.48ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:46,648 INFO L158 Benchmark]: RCFGBuilder took 484.71ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 70.5MB in the end (delta: 37.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:10:46,649 INFO L158 Benchmark]: CodeCheck took 452.19ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 92.3MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:46,649 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:46,651 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 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] [L1552] 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 842.30ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 111.7MB in the end (delta: 1.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.15ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 109.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.48ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.71ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 70.5MB in the end (delta: 37.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 452.19ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 92.3MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:10:46,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:10:48,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:10:48,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:10:48,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:10:48,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:10:48,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:10:48,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:10:48,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:10:48,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:10:48,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:10:48,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:10:48,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:10:48,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:10:48,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:10:48,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:10:48,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:10:48,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:10:48,739 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:10:48,739 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_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2024-12-06 04:10:48,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:10:48,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:10:48,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:10:48,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:10:48,998 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:10:48,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-12-06 04:10:51,660 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/2c9835181/c79d4fbfacb84b399d7a118a78232f69/FLAGbd43b4618 [2024-12-06 04:10:51,935 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:10:51,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-12-06 04:10:51,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/2c9835181/c79d4fbfacb84b399d7a118a78232f69/FLAGbd43b4618 [2024-12-06 04:10:51,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/data/2c9835181/c79d4fbfacb84b399d7a118a78232f69 [2024-12-06 04:10:51,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:10:51,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:10:51,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:10:51,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:10:51,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:10:51,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:10:51" (1/1) ... [2024-12-06 04:10:51,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3572e61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:51, skipping insertion in model container [2024-12-06 04:10:51,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:10:51" (1/1) ... [2024-12-06 04:10:52,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:10:52,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:10:52,602 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:10:52,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:10:52,790 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:10:52,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52 WrapperNode [2024-12-06 04:10:52,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:10:52,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:10:52,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:10:52,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:10:52,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,833 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2024-12-06 04:10:52,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:10:52,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:10:52,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:10:52,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:10:52,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,851 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:10:52,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:10:52,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:10:52,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:10:52,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:10:52" (1/1) ... [2024-12-06 04:10:52,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:10:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:10:52,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:10:52,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:10:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:10:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:10:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:10:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:10:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:10:53,023 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:10:53,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:10:53,138 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-12-06 04:10:53,139 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:10:53,190 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:10:53,190 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:10:53,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:53 BoogieIcfgContainer [2024-12-06 04:10:53,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:10:53,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:10:53,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:10:53,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:10:53,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:53" (1/1) ... [2024-12-06 04:10:53,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:10:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 04:10:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 04:10:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:10:53,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:53,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:10:53,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:10:53,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:10:53,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:10:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:53,390 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:10:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:53,480 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:10:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:10:53,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:10:53,512 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:10:53,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:10:53 ImpRootNode [2024-12-06 04:10:53,534 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:10:53,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:10:53,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:10:53,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:10:53,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:10:53" (3/4) ... [2024-12-06 04:10:53,536 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:10:53,569 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 04:10:53,605 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:10:53,605 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:10:53,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:10:53,606 INFO L158 Benchmark]: Toolchain (without parser) took 1638.52ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 49.7MB in the end (delta: 16.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 04:10:53,606 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:53,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.14ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 59.9MB in the end (delta: 5.8MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 04:10:53,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.65ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:53,608 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:53,608 INFO L158 Benchmark]: RCFGBuilder took 330.33ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 38.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:10:53,608 INFO L158 Benchmark]: CodeCheck took 342.23ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 54.2MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:10:53,609 INFO L158 Benchmark]: Witness Printer took 71.18ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 49.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:10:53,610 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1552]: 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 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] [L1552] 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.14ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 59.9MB in the end (delta: 5.8MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.65ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.33ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 38.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 342.23ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 54.2MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.18ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 49.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:10:53,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac2c2c5-9a2a-4f67-aa97-3d91c0f188b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)