./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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 96e6cb03586c67a7abefad4cebfed76b5f1cb4efab5623dd11c671c0ec7380b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:13,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:13,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:53:13,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:13,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:13,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:13,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:13,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:13,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:13,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:13,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:13,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:13,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:13,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:13,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:13,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:13,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:13,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:53:13,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:13,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:13,458 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:13,459 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:13,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:13,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:13,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:13,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:13,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:13,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:13,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:13,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:13,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:13,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:13,465 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_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96e6cb03586c67a7abefad4cebfed76b5f1cb4efab5623dd11c671c0ec7380b1 [2023-11-24 22:53:13,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:13,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:13,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:13,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:13,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:13,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i [2023-11-24 22:53:16,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:17,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:17,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i [2023-11-24 22:53:17,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data/6bfb6be84/026b03a44f6a4c76b50b421ad0ea0077/FLAGfc1b9190e [2023-11-24 22:53:17,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data/6bfb6be84/026b03a44f6a4c76b50b421ad0ea0077 [2023-11-24 22:53:17,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:17,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:17,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:17,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:17,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:17,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:17" (1/1) ... [2023-11-24 22:53:17,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaece46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:17, skipping insertion in model container [2023-11-24 22:53:17,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:17" (1/1) ... [2023-11-24 22:53:17,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:18,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:18,595 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:18,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:18,905 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:18,905 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:18,905 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:18,905 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:18,924 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:18,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18 WrapperNode [2023-11-24 22:53:18,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:18,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:18,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:18,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:18,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:18,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,013 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 46 [2023-11-24 22:53:19,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:19,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:19,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:19,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:19,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:19,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:19,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:19,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:19,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:19,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:19,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:19,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:19,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:53:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:53:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:53:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:19,305 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:19,307 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:19,499 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:19,556 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:19,556 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:19,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19 BoogieIcfgContainer [2023-11-24 22:53:19,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:19,567 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:19,567 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:19,577 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:19,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:53:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:53:19,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:19,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:19,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:19,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:19,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:19,999 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:53:20,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:20 ImpRootNode [2023-11-24 22:53:20,027 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:20,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:20,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:20,029 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:20,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19" (3/4) ... [2023-11-24 22:53:20,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:20,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:20,038 INFO L158 Benchmark]: Toolchain (without parser) took 2615.93ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 86.3MB in the end (delta: 40.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-11-24 22:53:20,039 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:20,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1499.57ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 119.9MB in the end (delta: 7.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:20,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.51ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:20,042 INFO L158 Benchmark]: Boogie Preprocessor took 34.58ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 115.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:20,043 INFO L158 Benchmark]: RCFGBuilder took 515.79ms. Allocated memory is still 163.6MB. Free memory was 115.7MB in the beginning and 102.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:20,044 INFO L158 Benchmark]: CodeCheck took 460.89ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 86.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:20,045 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 163.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:20,049 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 - UnprovableResult [Line: 1578]: 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.35ms. Allocated memory is still 119.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1499.57ms. Allocated memory is still 163.6MB. Free memory was 127.0MB in the beginning and 119.9MB in the end (delta: 7.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.51ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.58ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 115.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.79ms. Allocated memory is still 163.6MB. Free memory was 115.7MB in the beginning and 102.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 460.89ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 86.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 163.6MB. Free memory is still 86.3MB. 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 22:53:20,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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 96e6cb03586c67a7abefad4cebfed76b5f1cb4efab5623dd11c671c0ec7380b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:22,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:22,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:53:22,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:22,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:22,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:22,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:22,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:22,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:22,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:22,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:22,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:22,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:22,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:22,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:53:22,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:53:22,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:53:22,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:53:22,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:22,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:22,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:22,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:22,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:22,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:22,925 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:22,925 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:22,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:22,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:22,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:22,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:22,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:22,929 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:53:22,929 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:22,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:22,930 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:53:22,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:22,930 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_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96e6cb03586c67a7abefad4cebfed76b5f1cb4efab5623dd11c671c0ec7380b1 [2023-11-24 22:53:23,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:23,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:23,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:23,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:23,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:23,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i [2023-11-24 22:53:26,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:27,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:27,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_53_bad.i [2023-11-24 22:53:27,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data/6222b8b20/8536c1ed664143738ff9a3bd6c05939e/FLAGa4b4b18b1 [2023-11-24 22:53:27,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/data/6222b8b20/8536c1ed664143738ff9a3bd6c05939e [2023-11-24 22:53:27,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:27,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:27,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:27,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:27,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:27,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:27" (1/1) ... [2023-11-24 22:53:27,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c94b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:27, skipping insertion in model container [2023-11-24 22:53:27,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:27" (1/1) ... [2023-11-24 22:53:27,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:28,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:28,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:28,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:28,657 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:28,658 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:28,658 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:28,658 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:28,666 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:28,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28 WrapperNode [2023-11-24 22:53:28,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:28,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:28,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:28,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:28,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,760 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 46 [2023-11-24 22:53:28,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:28,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:28,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:28,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:28,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:28,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:28,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:28,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:28,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:28" (1/1) ... [2023-11-24 22:53:28,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:28,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:28,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:53:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:53:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:53:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:53:29,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:29,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:29,297 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:29,356 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:29,356 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:29,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:29 BoogieIcfgContainer [2023-11-24 22:53:29,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:29,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:29,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:29,369 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:29,369 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:29" (1/1) ... [2023-11-24 22:53:29,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:53:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:53:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:29,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:29,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:29,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:53:29,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:53:29,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:53:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:29,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:29,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:29,792 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:53:29,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:53:29,804 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:29,845 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:53:29,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:29 ImpRootNode [2023-11-24 22:53:29,855 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:29,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:29,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:29,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:29,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:29" (3/4) ... [2023-11-24 22:53:29,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:29,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:29,863 INFO L158 Benchmark]: Toolchain (without parser) took 2619.69ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.7MB in the beginning and 58.8MB in the end (delta: -13.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:29,864 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:29,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.76ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.4MB in the beginning and 68.7MB in the end (delta: -23.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:29,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.60ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 65.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:29,866 INFO L158 Benchmark]: Boogie Preprocessor took 72.58ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:29,867 INFO L158 Benchmark]: RCFGBuilder took 524.11ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 47.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:29,868 INFO L158 Benchmark]: CodeCheck took 496.32ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 59.3MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:29,869 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 98.6MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:29,875 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 - UnprovableResult [Line: 1578]: 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.52ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.76ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.4MB in the beginning and 68.7MB in the end (delta: -23.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.60ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 65.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.58ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.11ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 47.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 496.32ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 59.3MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 98.6MB. Free memory was 58.8MB in the beginning and 58.8MB 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 22:53:29,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58d3ebb-0517-4286-b7dc-4ac8742a63ca/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample