./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi --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 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:32,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:32,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:56:32,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:32,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:32,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:32,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:32,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:32,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:32,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:32,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:32,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:32,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:32,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:32,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:32,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:32,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:32,169 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:32,169 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:32,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:32,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:32,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:32,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:32,173 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:32,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:32,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:32,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:32,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:32,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:32,177 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:32,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:32,178 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:32,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 [2023-11-24 22:56:32,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:32,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:32,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:32,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:32,515 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:32,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-11-24 22:56:35,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:35,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:35,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-11-24 22:56:35,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data/dd1eee3b9/15101f572cb04bd289208257d145c5a6/FLAGb8f59920d [2023-11-24 22:56:36,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data/dd1eee3b9/15101f572cb04bd289208257d145c5a6 [2023-11-24 22:56:36,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:36,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:36,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:36,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:36,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:36,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af40ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36, skipping insertion in model container [2023-11-24 22:56:36,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:37,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:37,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:37,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:37,426 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:37,426 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:37,426 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:37,427 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:37,435 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:37,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37 WrapperNode [2023-11-24 22:56:37,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:37,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:37,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:37,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:37,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,497 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-24 22:56:37,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:37,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:37,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:37,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:37,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:37,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:37,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:37,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:37,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:37,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:37,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:37,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:37,838 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:37,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:37,942 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:37,994 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:37,995 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:37,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:37 BoogieIcfgContainer [2023-11-24 22:56:37,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:38,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:38,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:38,013 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:38,013 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:38,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:56:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:56:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:38,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:38,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:38,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:38,314 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:56:38,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:56:38,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:38 ImpRootNode [2023-11-24 22:56:38,350 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:38,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:38,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:38,354 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:38,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:37" (3/4) ... [2023-11-24 22:56:38,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:38,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:38,362 INFO L158 Benchmark]: Toolchain (without parser) took 2339.05ms. Allocated memory is still 192.9MB. Free memory was 161.3MB in the beginning and 132.0MB in the end (delta: 29.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,363 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:38,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1410.78ms. Allocated memory is still 192.9MB. Free memory was 160.4MB in the beginning and 97.4MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.89ms. Allocated memory is still 192.9MB. Free memory was 97.4MB in the beginning and 94.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,366 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 192.9MB. Free memory was 94.5MB in the beginning and 93.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,366 INFO L158 Benchmark]: RCFGBuilder took 471.30ms. Allocated memory is still 192.9MB. Free memory was 93.3MB in the beginning and 147.8MB in the end (delta: -54.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,368 INFO L158 Benchmark]: CodeCheck took 349.64ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 132.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,369 INFO L158 Benchmark]: Witness Printer took 7.24ms. Allocated memory is still 192.9MB. Free memory was 132.8MB in the beginning and 132.0MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:38,374 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1410.78ms. Allocated memory is still 192.9MB. Free memory was 160.4MB in the beginning and 97.4MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.89ms. Allocated memory is still 192.9MB. Free memory was 97.4MB in the beginning and 94.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 192.9MB. Free memory was 94.5MB in the beginning and 93.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.30ms. Allocated memory is still 192.9MB. Free memory was 93.3MB in the beginning and 147.8MB in the end (delta: -54.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 349.64ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 132.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.24ms. Allocated memory is still 192.9MB. Free memory was 132.8MB in the beginning and 132.0MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:38,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi --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 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:41,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:41,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:56:41,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:41,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:41,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:41,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:41,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:41,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:41,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:41,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:41,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:41,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:41,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:41,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:41,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:41,267 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:41,267 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:41,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:41,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:41,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:41,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:41,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:41,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:41,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:41,273 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:41,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:41,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:41,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:41,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:41,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:41,277 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:41,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:41,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:41,279 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:41,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:41,279 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 [2023-11-24 22:56:41,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:41,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:41,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:41,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:41,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:41,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-11-24 22:56:44,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:45,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:45,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-11-24 22:56:45,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data/1e74a9572/5fc36edd777748c681fc56553adc6b56/FLAG35b48780c [2023-11-24 22:56:45,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/data/1e74a9572/5fc36edd777748c681fc56553adc6b56 [2023-11-24 22:56:45,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:45,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:45,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:45,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:45,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:45,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c3f3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45, skipping insertion in model container [2023-11-24 22:56:45,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:46,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:46,538 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:46,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:46,750 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:46,750 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:46,750 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:46,750 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:46,757 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:46,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46 WrapperNode [2023-11-24 22:56:46,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:46,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:46,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:46,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:46,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,821 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-24 22:56:46,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:46,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:46,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:46,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:46,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:46,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:46,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:46,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:46,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:46,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:46,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:46,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:47,131 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:47,134 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:47,288 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:47,343 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:47,343 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:47,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:47 BoogieIcfgContainer [2023-11-24 22:56:47,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:47,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:47,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:47,357 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:47,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:56:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:56:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:47,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:47,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:47,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:47,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:56:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:47,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:47,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:47,853 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:47,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:47,862 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:56:47,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:56:47,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:47 ImpRootNode [2023-11-24 22:56:47,896 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:47,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:47,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:47,899 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:47,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:47" (3/4) ... [2023-11-24 22:56:47,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:47,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:47,904 INFO L158 Benchmark]: Toolchain (without parser) took 2477.87ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 53.7MB in the end (delta: 21.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-24 22:56:47,904 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:47,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.77ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 60.7MB in the end (delta: 14.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:47,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.28ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 57.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:47,907 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:47,908 INFO L158 Benchmark]: RCFGBuilder took 487.11ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 68.4MB in the end (delta: -12.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:47,909 INFO L158 Benchmark]: CodeCheck took 549.95ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 54.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:47,909 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 102.8MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:47,919 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, 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 0.65ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.77ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 60.7MB in the end (delta: 14.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.28ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 57.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.43ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.11ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 68.4MB in the end (delta: -12.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 549.95ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 54.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 102.8MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:47,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0e96f-0607-461a-bc9b-3fbb807fb568/bin/ukojak-verify-afCqCEvfdi/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 Result: UNKNOWN: Overapproximated counterexample