./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_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_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/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_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/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_6ba36e1d-09ca-44e4-b933-166a7136106a/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:32:43,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:32:43,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:32:43,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:32:43,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:32:43,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:32:43,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:32:43,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:32:43,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:32:43,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:32:43,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:32:43,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:32:43,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:32:43,888 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:32:43,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:32:43,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:32:43,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:32:43,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:32:43,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:32:43,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:43,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:32:43,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:32:43,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:32:43,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:32:43,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:32:43,891 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_6ba36e1d-09ca-44e4-b933-166a7136106a/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 -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2024-11-25 03:32:44,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:32:44,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:32:44,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:32:44,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:32:44,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:32:44,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2024-11-25 03:32:47,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/49d447909/d993d698e0ff435e810428df79ceafe6/FLAGe9aa4432a [2024-11-25 03:32:48,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:32:48,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2024-11-25 03:32:48,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/49d447909/d993d698e0ff435e810428df79ceafe6/FLAGe9aa4432a [2024-11-25 03:32:48,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/49d447909/d993d698e0ff435e810428df79ceafe6 [2024-11-25 03:32:48,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:32:48,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:32:48,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:48,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:32:48,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:32:48,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:48" (1/1) ... [2024-11-25 03:32:48,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b11b38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:48, skipping insertion in model container [2024-11-25 03:32:48,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:48" (1/1) ... [2024-11-25 03:32:48,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:32:49,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:49,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:32:49,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:50,033 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:32:50,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50 WrapperNode [2024-11-25 03:32:50,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:50,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:32:50,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:32:50,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:32:50,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,099 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-25 03:32:50,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:32:50,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:32:50,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:32:50,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:32:50,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:32:50,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:32:50,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:32:50,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:32:50,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:50" (1/1) ... [2024-11-25 03:32:50,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:32:50,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:32:50,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:32:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:32:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:32:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:32:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:32:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:32:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:32:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:32:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:32:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:32:50,431 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:32:50,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:32:50,728 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-25 03:32:50,728 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:32:51,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:32:51,066 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:32:51,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:32:51 BoogieIcfgContainer [2024-11-25 03:32:51,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:32:51,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:32:51,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:32:51,119 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:32:51,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:32:51" (1/1) ... [2024-11-25 03:32:51,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:32:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:32:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:32:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:32:51,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:51,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:32:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:32:51,636 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:32:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:32:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:32:51,847 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:32:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:32:51,911 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:32:51,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:32:51 ImpRootNode [2024-11-25 03:32:51,948 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:32:51,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:32:51,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:32:51,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:32:51,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:32:51" (3/4) ... [2024-11-25 03:32:51,952 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:32:51,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:32:51,957 INFO L158 Benchmark]: Toolchain (without parser) took 3641.30ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 47.3MB in the end (delta: 41.6MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-25 03:32:51,959 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:32:51,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1716.43ms. 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 66.2MB. Max. memory is 16.1GB. [2024-11-25 03:32:51,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.00ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:32:51,960 INFO L158 Benchmark]: Boogie Preprocessor took 35.14ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:32:51,961 INFO L158 Benchmark]: RCFGBuilder took 931.81ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 38.9MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:32:51,961 INFO L158 Benchmark]: CodeCheck took 879.20ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 47.3MB in the end (delta: -8.4MB). Peak memory consumption was 517.3kB. Max. memory is 16.1GB. [2024-11-25 03:32:51,963 INFO L158 Benchmark]: Witness Printer took 7.75ms. Allocated memory is still 117.4MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:32:51,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1716.43ms. 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 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.00ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.14ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 931.81ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 38.9MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 879.20ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 47.3MB in the end (delta: -8.4MB). Peak memory consumption was 517.3kB. Max. memory is 16.1GB. * Witness Printer took 7.75ms. Allocated memory is still 117.4MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:32:51,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/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 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_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/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_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/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_6ba36e1d-09ca-44e4-b933-166a7136106a/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:32:54,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:32:54,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:32:54,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:32:54,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:32:54,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:32:54,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:32:54,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:32:54,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:32:54,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:32:54,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:32:54,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:32:54,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:32:54,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:32:54,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:32:54,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:32:54,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:32:54,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:54,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:32:54,788 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:32:54,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:54,789 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:32:54,789 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_6ba36e1d-09ca-44e4-b933-166a7136106a/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 -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2024-11-25 03:32:55,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:32:55,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:32:55,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:32:55,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:32:55,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:32:55,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2024-11-25 03:32:58,175 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/92b0f7846/4e05351ac6e8417389b1639203cddf45/FLAGe4cda2c56 [2024-11-25 03:32:58,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:32:58,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2024-11-25 03:32:58,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/92b0f7846/4e05351ac6e8417389b1639203cddf45/FLAGe4cda2c56 [2024-11-25 03:32:58,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/data/92b0f7846/4e05351ac6e8417389b1639203cddf45 [2024-11-25 03:32:58,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:32:58,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:32:58,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:58,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:32:58,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:32:58,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:58" (1/1) ... [2024-11-25 03:32:58,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b808f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:58, skipping insertion in model container [2024-11-25 03:32:58,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:58" (1/1) ... [2024-11-25 03:32:58,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:32:59,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:59,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:32:59,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:00,133 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:33:00,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00 WrapperNode [2024-11-25 03:33:00,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:00,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:00,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:33:00,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:33:00,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,215 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-25 03:33:00,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:00,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:33:00,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:33:00,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:33:00,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:33:00,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:33:00,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:33:00,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:33:00,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:33:00,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:33:00,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:33:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:33:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:33:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:33:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:33:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:33:00,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:33:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:33:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:33:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:33:00,494 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:33:00,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:33:00,690 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-25 03:33:00,690 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:33:00,797 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:33:00,797 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:33:00,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:00 BoogieIcfgContainer [2024-11-25 03:33:00,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:33:00,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:33:00,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:33:00,815 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:33:00,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:00" (1/1) ... [2024-11-25 03:33:00,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:33:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:33:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:33:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:33:00,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:00,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:00,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:00,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:33:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:01,149 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:01,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:01,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:33:01,442 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:33:01,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:33:01 ImpRootNode [2024-11-25 03:33:01,483 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:33:01,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:33:01,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:33:01,484 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:33:01,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:00" (3/4) ... [2024-11-25 03:33:01,487 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:33:01,543 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 03:33:01,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:33:01,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:33:01,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:33:01,599 INFO L158 Benchmark]: Toolchain (without parser) took 2837.58ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.3MB in the beginning and 205.8MB in the end (delta: -116.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-25 03:33:01,599 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:01,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.85ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 66.2MB in the end (delta: 23.1MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-25 03:33:01,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:01,600 INFO L158 Benchmark]: Boogie Preprocessor took 32.06ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:01,600 INFO L158 Benchmark]: RCFGBuilder took 549.48ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 42.9MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:33:01,601 INFO L158 Benchmark]: CodeCheck took 680.90ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 42.9MB in the beginning and 210.6MB in the end (delta: -167.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:01,601 INFO L158 Benchmark]: Witness Printer took 111.49ms. Allocated memory is still 251.7MB. Free memory was 210.6MB in the beginning and 205.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:01,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1562]: 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.85ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 66.2MB in the end (delta: 23.1MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.06ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.48ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 42.9MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 680.90ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 42.9MB in the beginning and 210.6MB in the end (delta: -167.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.49ms. Allocated memory is still 251.7MB. Free memory was 210.6MB in the beginning and 205.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:33:01,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba36e1d-09ca-44e4-b933-166a7136106a/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)