./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_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_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:13:52,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:13:52,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:13:52,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:13:52,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:13:52,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:13:52,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:13:52,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:13:52,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:13:52,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:13:52,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:13:52,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:13:52,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:13:52,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:13:52,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:13:52,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:13:52,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:52,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:13:52,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:13:52,890 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_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc [2024-12-06 04:13:53,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:13:53,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:13:53,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:13:53,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:13:53,140 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:13:53,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-12-06 04:13:55,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/ad471ba9f/ccac976ce80b4b14980c0d00efffc22f/FLAG4199d53b2 [2024-12-06 04:13:56,143 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:13:56,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-12-06 04:13:56,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/ad471ba9f/ccac976ce80b4b14980c0d00efffc22f/FLAG4199d53b2 [2024-12-06 04:13:56,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/ad471ba9f/ccac976ce80b4b14980c0d00efffc22f [2024-12-06 04:13:56,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:13:56,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:13:56,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:56,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:13:56,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:13:56,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:56" (1/1) ... [2024-12-06 04:13:56,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e63eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:56, skipping insertion in model container [2024-12-06 04:13:56,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:13:56" (1/1) ... [2024-12-06 04:13:56,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:13:57,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:57,020 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:13:57,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:13:57,169 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:13:57,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57 WrapperNode [2024-12-06 04:13:57,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:13:57,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:57,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:13:57,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:13:57,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,211 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-12-06 04:13:57,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:13:57,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:13:57,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:13:57,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:13:57,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,227 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:13:57,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:13:57,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:13:57,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:13:57,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:13:57,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:13:57,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:13:57,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:13:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:13:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:13:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:13:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:13:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:13:57,396 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:13:57,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:13:57,571 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 04:13:57,571 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:13:57,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:13:57,750 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:13:57,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:57 BoogieIcfgContainer [2024-12-06 04:13:57,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:13:57,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:13:57,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:13:57,760 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:13:57,760 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:57" (1/1) ... [2024-12-06 04:13:57,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:13:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 04:13:57,816 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 04:13:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:13:57,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:57,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:58,016 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:58,136 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:13:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:13:58,172 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:13:58,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:13:58 ImpRootNode [2024-12-06 04:13:58,194 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:13:58,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:13:58,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:13:58,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:13:58,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:57" (3/4) ... [2024-12-06 04:13:58,198 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:13:58,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:13:58,200 INFO L158 Benchmark]: Toolchain (without parser) took 1794.27ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 93.8MB in the end (delta: 19.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-06 04:13:58,200 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:58,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.03ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 53.3MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:13:58,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.48ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 111.9MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 04:13:58,201 INFO L158 Benchmark]: Boogie Preprocessor took 22.62ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 111.2MB in the end (delta: 665.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:58,202 INFO L158 Benchmark]: RCFGBuilder took 515.56ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 70.3MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:13:58,202 INFO L158 Benchmark]: CodeCheck took 443.44ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 93.8MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:58,202 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.8MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:13:58,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.03ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 53.3MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.48ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 111.9MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.62ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 111.2MB in the end (delta: 665.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.56ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 70.3MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 443.44ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 93.8MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.8MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:13:58,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:14:00,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:14:00,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:14:00,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:14:00,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:14:00,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:14:00,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:14:00,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:14:00,246 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:14:00,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:14:00,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:14:00,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:14:00,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:14:00,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:14:00,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:14:00,248 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:14:00,248 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:14:00,248 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:14:00,248 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_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc [2024-12-06 04:14:00,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:14:00,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:14:00,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:14:00,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:14:00,494 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:14:00,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-12-06 04:14:03,196 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/357f06839/a2ea38b6e3e949fdadb648804862bde5/FLAGb5fc3c9f1 [2024-12-06 04:14:03,455 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:14:03,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2024-12-06 04:14:03,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/357f06839/a2ea38b6e3e949fdadb648804862bde5/FLAGb5fc3c9f1 [2024-12-06 04:14:03,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/data/357f06839/a2ea38b6e3e949fdadb648804862bde5 [2024-12-06 04:14:03,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:14:03,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:14:03,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:14:03,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:14:03,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:14:03,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:14:03" (1/1) ... [2024-12-06 04:14:03,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714c29f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:03, skipping insertion in model container [2024-12-06 04:14:03,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:14:03" (1/1) ... [2024-12-06 04:14:03,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:14:04,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:14:04,417 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:14:04,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:14:04,620 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:14:04,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04 WrapperNode [2024-12-06 04:14:04,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:14:04,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:14:04,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:14:04,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:14:04,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,665 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-06 04:14:04,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:14:04,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:14:04,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:14:04,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:14:04,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:14:04,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:14:04,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:14:04,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:14:04,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:04" (1/1) ... [2024-12-06 04:14:04,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:14:04,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:14:04,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:14:04,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:14:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:14:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:14:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:14:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:14:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:14:04,853 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:14:04,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:14:04,952 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 04:14:04,953 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:14:05,009 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:14:05,009 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:14:05,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:14:05 BoogieIcfgContainer [2024-12-06 04:14:05,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:14:05,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:14:05,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:14:05,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:14:05,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:14:05" (1/1) ... [2024-12-06 04:14:05,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:14:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:14:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 04:14:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 04:14:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:14:05,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:14:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:14:05,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:14:05,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:14:05,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:14:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:14:05,213 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:14:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:14:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:14:05,313 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:14:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:14:05,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:14:05,366 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:14:05,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:14:05 ImpRootNode [2024-12-06 04:14:05,388 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:14:05,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:14:05,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:14:05,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:14:05,389 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:14:05" (3/4) ... [2024-12-06 04:14:05,390 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:14:05,429 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 04:14:05,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:14:05,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:14:05,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:14:05,474 INFO L158 Benchmark]: Toolchain (without parser) took 1728.41ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 52.3MB in the end (delta: 14.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-12-06 04:14:05,474 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:14:05,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.11ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 63.4MB in the end (delta: 3.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-06 04:14:05,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.04ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 60.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:14:05,475 INFO L158 Benchmark]: Boogie Preprocessor took 23.46ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 59.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:14:05,476 INFO L158 Benchmark]: RCFGBuilder took 319.38ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 41.0MB in the end (delta: 18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:14:05,476 INFO L158 Benchmark]: CodeCheck took 378.08ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 57.3MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:14:05,476 INFO L158 Benchmark]: Witness Printer took 84.88ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 52.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:14:05,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.11ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 63.4MB in the end (delta: 3.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.04ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 60.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.46ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 59.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.38ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 41.0MB in the end (delta: 18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 378.08ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 57.3MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.88ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 52.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:14:05,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6738fa1-8111-44d3-8808-35271a8ef85f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)