./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:21:47,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:21:47,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:21:47,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:21:47,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:21:47,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:21:47,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:21:47,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:21:47,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:21:47,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:21:47,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:21:47,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:21:47,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:21:47,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:21:47,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:21:47,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:21:47,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:21:47,876 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:21:47,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:21:47,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:21:47,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:47,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:21:47,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:21:47,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:21:47,878 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:21:47,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:21:47,878 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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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 -> 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 [2024-11-25 04:21:48,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:21:48,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:21:48,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:21:48,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:21:48,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:21:48,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-11-25 04:21:51,199 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/16651d548/dedcc9b48ee441b89aa9e9f124fa21d7/FLAG84cdbab25 [2024-11-25 04:21:51,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:21:51,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-11-25 04:21:51,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/16651d548/dedcc9b48ee441b89aa9e9f124fa21d7/FLAG84cdbab25 [2024-11-25 04:21:51,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/16651d548/dedcc9b48ee441b89aa9e9f124fa21d7 [2024-11-25 04:21:51,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:21:51,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:21:51,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:51,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:21:51,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:21:51,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:51" (1/1) ... [2024-11-25 04:21:51,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8b1af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:51, skipping insertion in model container [2024-11-25 04:21:51,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:51" (1/1) ... [2024-11-25 04:21:51,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:21:52,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:52,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:21:52,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:53,083 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:21:53,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53 WrapperNode [2024-11-25 04:21:53,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:53,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:53,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:21:53,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:21:53,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,152 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 97 [2024-11-25 04:21:53,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:53,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:21:53,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:21:53,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:21:53,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:21:53,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:21:53,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:21:53,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:21:53,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:53,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:53,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:21:53,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:21:53,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:21:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:21:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:21:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:21:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:21:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:21:53,478 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:21:53,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:21:53,721 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-25 04:21:53,721 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:21:53,959 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:21:53,959 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:21:53,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:53 BoogieIcfgContainer [2024-11-25 04:21:53,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:21:53,960 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:21:53,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:21:54,005 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:21:54,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:53" (1/1) ... [2024-11-25 04:21:54,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:21:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:21:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:21:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:21:54,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:54,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:54,399 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:21:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:54,611 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:21:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:54,669 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:21:54,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:21:54 ImpRootNode [2024-11-25 04:21:54,709 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:21:54,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:21:54,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:21:54,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:21:54,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:53" (3/4) ... [2024-11-25 04:21:54,716 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:21:54,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:21:54,719 INFO L158 Benchmark]: Toolchain (without parser) took 2956.25ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 53.9MB in the end (delta: 35.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-25 04:21:54,719 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:54,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1320.41ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.9MB in the end (delta: 8.0MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-25 04:21:54,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.87ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:21:54,723 INFO L158 Benchmark]: Boogie Preprocessor took 42.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:54,723 INFO L158 Benchmark]: RCFGBuilder took 763.57ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 39.4MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:21:54,724 INFO L158 Benchmark]: CodeCheck took 748.99ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 53.9MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:54,724 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 117.4MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:54,726 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_52c_badSink(data) [L1571] 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] [L1573] 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 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1320.41ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.9MB in the end (delta: 8.0MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.87ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 763.57ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 39.4MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 748.99ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 53.9MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 117.4MB. Free memory is still 53.9MB. 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 04:21:54,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:21:57,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:21:57,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:21:57,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:21:57,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:21:57,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:21:57,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:21:57,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:21:57,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:21:57,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:21:57,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:21:57,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:21:57,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:21:57,674 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:57,674 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:21:57,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:21:57,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:57,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:21:57,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:21:57,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:21:57,675 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:21:57,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:57,675 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:21:57,675 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_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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 -> 7816a20e2e7d55d784f2865970a3ca4a7f185dbfff6808b3fd0d54b3f019aa40 [2024-11-25 04:21:58,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:21:58,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:21:58,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:21:58,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:21:58,040 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:21:58,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-11-25 04:22:01,208 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/e32ed56e9/20ff6084744e44f8929940de368469d3/FLAGc8ab45514 [2024-11-25 04:22:01,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:22:01,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_52_bad.i [2024-11-25 04:22:01,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/e32ed56e9/20ff6084744e44f8929940de368469d3/FLAGc8ab45514 [2024-11-25 04:22:01,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/data/e32ed56e9/20ff6084744e44f8929940de368469d3 [2024-11-25 04:22:01,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:22:01,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:22:01,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:01,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:22:01,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:22:01,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:01" (1/1) ... [2024-11-25 04:22:01,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19336219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:01, skipping insertion in model container [2024-11-25 04:22:01,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:01" (1/1) ... [2024-11-25 04:22:01,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:22:02,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:02,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:22:03,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:03,166 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:22:03,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03 WrapperNode [2024-11-25 04:22:03,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:03,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:03,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:22:03,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:22:03,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,232 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2024-11-25 04:22:03,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:03,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:22:03,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:22:03,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:22:03,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,253 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:22:03,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:22:03,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:22:03,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:22:03,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:03,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:22:03,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:22:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:22:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:22:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:22:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:22:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:22:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:22:03,518 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:22:03,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:22:03,690 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-25 04:22:03,691 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:22:03,781 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:22:03,782 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:22:03,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:03 BoogieIcfgContainer [2024-11-25 04:22:03,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:22:03,783 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:22:03,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:22:03,799 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:22:03,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:03" (1/1) ... [2024-11-25 04:22:03,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:22:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:22:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:22:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:22:03,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:03,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:03,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:03,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:22:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:04,096 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:22:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:04,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:22:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:04,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:22:04,243 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:22:04,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:22:04 ImpRootNode [2024-11-25 04:22:04,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:22:04,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:22:04,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:22:04,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:22:04,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:03" (3/4) ... [2024-11-25 04:22:04,288 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:22:04,350 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 04:22:04,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:22:04,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:22:04,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:22:04,417 INFO L158 Benchmark]: Toolchain (without parser) took 2695.83ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 58.3MB in the beginning and 104.4MB in the end (delta: -46.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-25 04:22:04,418 INFO L158 Benchmark]: CDTParser took 4.25ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:04,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.31ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 58.1MB in the beginning and 146.4MB in the end (delta: -88.3MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:04,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.84ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 143.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:04,420 INFO L158 Benchmark]: Boogie Preprocessor took 28.33ms. Allocated memory is still 176.2MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:04,421 INFO L158 Benchmark]: RCFGBuilder took 520.30ms. Allocated memory is still 176.2MB. Free memory was 141.5MB in the beginning and 123.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:04,421 INFO L158 Benchmark]: CodeCheck took 499.28ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 109.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:04,421 INFO L158 Benchmark]: Witness Printer took 131.00ms. Allocated memory is still 176.2MB. Free memory was 109.3MB in the beginning and 104.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:22:04,424 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 - CounterExampleResult [Line: 1573]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] 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 4.25ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.31ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 58.1MB in the beginning and 146.4MB in the end (delta: -88.3MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.84ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 143.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.33ms. Allocated memory is still 176.2MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.30ms. Allocated memory is still 176.2MB. Free memory was 141.5MB in the beginning and 123.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 499.28ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 109.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 131.00ms. Allocated memory is still 176.2MB. Free memory was 109.3MB in the beginning and 104.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:22:04,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbf19f5-f646-4b0e-a9c2-64dd0814d5df/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)