./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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 3e3f4f77d3ae2afad268d9819a6342368bb4e9d6090e11c6e0e19fbaaaa27246 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:18,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:18,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:18:18,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:18,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:18,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:18,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:18,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:18,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:18,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:18,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:18,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:18,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:18,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:18,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:18,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:18,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:18,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:18,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:18,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:18,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:18,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:18,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:18,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:18,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:18,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:18,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:18,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:18,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:18,923 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:18,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:18,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:18,926 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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e3f4f77d3ae2afad268d9819a6342368bb4e9d6090e11c6e0e19fbaaaa27246 [2023-11-24 22:18:19,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:19,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:19,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:19,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:19,300 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:19,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_bad.i [2023-11-24 22:18:22,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:23,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:23,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_bad.i [2023-11-24 22:18:23,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data/f1c7bfc20/79fd4f5ebc134ce99afbcbaca4ae81d1/FLAGef6a2f892 [2023-11-24 22:18:23,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data/f1c7bfc20/79fd4f5ebc134ce99afbcbaca4ae81d1 [2023-11-24 22:18:23,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:23,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:23,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:23,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:23,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:23,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:23" (1/1) ... [2023-11-24 22:18:23,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666f2501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:23, skipping insertion in model container [2023-11-24 22:18:23,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:23" (1/1) ... [2023-11-24 22:18:23,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:24,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:24,754 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:24,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:25,088 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:25,088 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:25,089 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:25,089 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:25,099 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:25,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25 WrapperNode [2023-11-24 22:18:25,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:25,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:25,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:25,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:25,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,215 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-24 22:18:25,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:25,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:25,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:25,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:25,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:25,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:25,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:25,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:25,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:25,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:25,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:18:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:18:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:18:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:25,555 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:25,557 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:25,700 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:25,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:25,780 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:18:25,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:25 BoogieIcfgContainer [2023-11-24 22:18:25,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:25,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:25,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:25,797 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:25,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-24 22:18:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-24 22:18:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:18:25,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:25,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:26,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:26,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:26,293 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:18:26,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:18:26,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:26 ImpRootNode [2023-11-24 22:18:26,330 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:26,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:26,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:26,335 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:26,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:25" (3/4) ... [2023-11-24 22:18:26,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:18:26,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:26,344 INFO L158 Benchmark]: Toolchain (without parser) took 2883.15ms. Allocated memory is still 216.0MB. Free memory was 167.9MB in the beginning and 146.1MB in the end (delta: 21.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-24 22:18:26,345 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:26,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1638.87ms. Allocated memory is still 216.0MB. Free memory was 167.9MB in the beginning and 179.6MB in the end (delta: -11.7MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:26,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.71ms. Allocated memory is still 216.0MB. Free memory was 179.6MB in the beginning and 176.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:26,348 INFO L158 Benchmark]: Boogie Preprocessor took 60.68ms. Allocated memory is still 216.0MB. Free memory was 176.5MB in the beginning and 175.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:26,349 INFO L158 Benchmark]: RCFGBuilder took 505.25ms. Allocated memory is still 216.0MB. Free memory was 175.4MB in the beginning and 161.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:18:26,351 INFO L158 Benchmark]: CodeCheck took 547.78ms. Allocated memory is still 216.0MB. Free memory was 161.8MB in the beginning and 146.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:18:26,352 INFO L158 Benchmark]: Witness Printer took 8.22ms. Allocated memory is still 216.0MB. Free memory was 146.8MB in the beginning and 146.1MB in the end (delta: 776.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:26,362 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, 13 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \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_predec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1638.87ms. Allocated memory is still 216.0MB. Free memory was 167.9MB in the beginning and 179.6MB in the end (delta: -11.7MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.71ms. Allocated memory is still 216.0MB. Free memory was 179.6MB in the beginning and 176.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.68ms. Allocated memory is still 216.0MB. Free memory was 176.5MB in the beginning and 175.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.25ms. Allocated memory is still 216.0MB. Free memory was 175.4MB in the beginning and 161.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 547.78ms. Allocated memory is still 216.0MB. Free memory was 161.8MB in the beginning and 146.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.22ms. Allocated memory is still 216.0MB. Free memory was 146.8MB in the beginning and 146.1MB in the end (delta: 776.8kB). 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~nondet100 - 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 22:18:26,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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 3e3f4f77d3ae2afad268d9819a6342368bb4e9d6090e11c6e0e19fbaaaa27246 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:29,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:29,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:18:29,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:29,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:29,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:29,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:29,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:29,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:29,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:29,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:29,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:29,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:29,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:29,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:18:29,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:18:29,757 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:29,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:18:29,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:29,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:29,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:29,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:29,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:29,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:29,763 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:29,763 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:29,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:29,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:29,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:29,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:29,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:29,767 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:18:29,768 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:29,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:29,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:18:29,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:29,769 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_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e3f4f77d3ae2afad268d9819a6342368bb4e9d6090e11c6e0e19fbaaaa27246 [2023-11-24 22:18:30,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:30,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:30,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:30,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:30,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:30,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_bad.i [2023-11-24 22:18:34,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:34,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:34,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_03_bad.i [2023-11-24 22:18:34,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data/56916978b/60e664a0e53f41b38c897e714bbb08d0/FLAGc28c617f3 [2023-11-24 22:18:34,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/data/56916978b/60e664a0e53f41b38c897e714bbb08d0 [2023-11-24 22:18:34,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:34,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:34,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:34,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:34,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:34,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:34" (1/1) ... [2023-11-24 22:18:34,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af2d3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:34, skipping insertion in model container [2023-11-24 22:18:34,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:34" (1/1) ... [2023-11-24 22:18:34,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:36,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:36,050 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:36,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:36,461 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:36,461 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:36,461 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:36,462 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:36,470 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:36,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36 WrapperNode [2023-11-24 22:18:36,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:36,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:36,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:36,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:36,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,557 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-24 22:18:36,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:36,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:36,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:36,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:36,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:36,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:36,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:36,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:36,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:36" (1/1) ... [2023-11-24 22:18:36,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:36,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:36,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:36,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:18:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:18:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:18:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:18:36,909 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:36,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:37,134 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:37,225 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:37,226 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:18:37,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:37 BoogieIcfgContainer [2023-11-24 22:18:37,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:37,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:37,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:37,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:37,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:37" (1/1) ... [2023-11-24 22:18:37,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-24 22:18:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-24 22:18:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:18:37,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:37,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:18:37,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:18:37,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:18:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:37,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:37,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:37,757 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:18:37,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:18:37,766 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:18:37,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:18:37,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:37 ImpRootNode [2023-11-24 22:18:37,803 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:37,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:37,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:37,806 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:37,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:37" (3/4) ... [2023-11-24 22:18:37,809 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:18:37,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:37,812 INFO L158 Benchmark]: Toolchain (without parser) took 3099.01ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 43.9MB in the beginning and 71.5MB in the end (delta: -27.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:37,812 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:37,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1757.54ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 43.8MB in the beginning and 74.6MB in the end (delta: -30.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-24 22:18:37,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.16ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 71.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:37,816 INFO L158 Benchmark]: Boogie Preprocessor took 73.08ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:37,818 INFO L158 Benchmark]: RCFGBuilder took 596.22ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 54.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:18:37,818 INFO L158 Benchmark]: CodeCheck took 573.29ms. Allocated memory is still 107.0MB. Free memory was 53.7MB in the beginning and 71.5MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:37,819 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 107.0MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:37,830 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, 13 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1757.54ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 43.8MB in the beginning and 74.6MB in the end (delta: -30.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.16ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 71.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.08ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.22ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 54.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 573.29ms. Allocated memory is still 107.0MB. Free memory was 53.7MB in the beginning and 71.5MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 107.0MB. Free memory is still 71.5MB. 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~nondet98 - 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 22:18:37,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d24f76df-f41b-4de3-9e87-0296c7fd71dd/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