./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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 8e4b7b0255cab22b53f6b3fe6a3dfec01905e9d887d44ba4463bb05649e7611c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:32,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:33,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:00:33,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:33,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:33,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:33,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:33,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:33,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:33,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:33,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:33,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:33,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:33,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:33,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:33,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:33,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:33,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:33,188 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:33,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:33,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:33,191 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:33,191 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:33,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:33,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:33,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:33,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:33,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:33,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:33,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:33,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:33,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:33,198 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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4b7b0255cab22b53f6b3fe6a3dfec01905e9d887d44ba4463bb05649e7611c [2023-11-24 23:00:33,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:33,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:33,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:33,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:33,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:33,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_bad.i [2023-11-24 23:00:36,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:37,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:37,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_bad.i [2023-11-24 23:00:37,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data/d7b90afc5/6aed43f5a9c94416b0e3aa174ccd8ad4/FLAG801fea05e [2023-11-24 23:00:37,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data/d7b90afc5/6aed43f5a9c94416b0e3aa174ccd8ad4 [2023-11-24 23:00:37,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:37,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:37,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:37,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:37,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:37,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:37" (1/1) ... [2023-11-24 23:00:37,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1279f1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:37, skipping insertion in model container [2023-11-24 23:00:37,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:37" (1/1) ... [2023-11-24 23:00:37,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:38,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:38,524 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:38,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:38,818 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:38,819 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:38,819 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:38,819 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:38,827 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:38,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38 WrapperNode [2023-11-24 23:00:38,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:38,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:38,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:38,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:38,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,924 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2023-11-24 23:00:38,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:38,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:38,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:38,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:38,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:38,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:38,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:38,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:38,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:38" (1/1) ... [2023-11-24 23:00:38,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:39,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:39,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:00:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:00:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:39,282 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:39,284 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:39,398 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:39,447 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:39,447 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:39,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:39 BoogieIcfgContainer [2023-11-24 23:00:39,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:39,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:39,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:39,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:39,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:39" (1/1) ... [2023-11-24 23:00:39,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:00:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:00:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:39,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:39,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:39,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:39,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:40,017 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:40,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:00:40,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-24 23:00:40,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:40 ImpRootNode [2023-11-24 23:00:40,048 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:40,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:40,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:40,049 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:40,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:39" (3/4) ... [2023-11-24 23:00:40,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:40,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:40,054 INFO L158 Benchmark]: Toolchain (without parser) took 2573.33ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 115.1MB in the end (delta: 33.6MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:40,054 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:40,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.14ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 85.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:40,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.02ms. Allocated memory is still 178.3MB. Free memory was 85.7MB in the beginning and 82.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:40,057 INFO L158 Benchmark]: Boogie Preprocessor took 54.82ms. Allocated memory is still 178.3MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:40,057 INFO L158 Benchmark]: RCFGBuilder took 471.04ms. Allocated memory is still 178.3MB. Free memory was 81.5MB in the beginning and 132.9MB in the end (delta: -51.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:40,059 INFO L158 Benchmark]: CodeCheck took 595.09ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 115.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:40,061 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 115.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:40,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.1s 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_min_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={2439:0}, dataArray={2439:0}, 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 0.36ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.14ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 85.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.02ms. Allocated memory is still 178.3MB. Free memory was 85.7MB in the beginning and 82.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.82ms. Allocated memory is still 178.3MB. Free memory was 82.7MB in the beginning and 81.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.04ms. Allocated memory is still 178.3MB. Free memory was 81.5MB in the beginning and 132.9MB in the end (delta: -51.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 595.09ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 115.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 115.1MB in the end (delta: 2.6kB). 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 Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated - 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 23:00:40,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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 8e4b7b0255cab22b53f6b3fe6a3dfec01905e9d887d44ba4463bb05649e7611c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:42,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:43,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:00:43,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:43,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:43,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:43,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:43,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:43,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:43,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:43,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:43,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:43,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:43,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:43,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:43,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:43,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:43,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:43,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:43,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:43,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:43,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:43,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:43,087 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:43,087 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:43,088 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:43,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:43,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:43,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:43,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:43,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:43,092 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:43,092 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:43,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:43,093 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:43,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:43,094 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_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4b7b0255cab22b53f6b3fe6a3dfec01905e9d887d44ba4463bb05649e7611c [2023-11-24 23:00:43,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:43,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:43,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:43,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:43,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:43,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_bad.i [2023-11-24 23:00:47,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:47,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:47,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_66_bad.i [2023-11-24 23:00:47,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data/943a5781c/f03da3935c3846e280b9fdcfd480cc4b/FLAGf65b80e27 [2023-11-24 23:00:47,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/data/943a5781c/f03da3935c3846e280b9fdcfd480cc4b [2023-11-24 23:00:47,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:47,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:47,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:47,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:47,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:47,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:47" (1/1) ... [2023-11-24 23:00:47,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a47c61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:47, skipping insertion in model container [2023-11-24 23:00:47,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:47" (1/1) ... [2023-11-24 23:00:47,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:48,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:48,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:48,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:49,191 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:49,192 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:49,192 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:49,192 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:49,201 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:49,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49 WrapperNode [2023-11-24 23:00:49,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:49,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:49,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:49,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:49,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,302 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2023-11-24 23:00:49,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:49,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:49,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:49,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:49,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:49,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:49,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:49,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:49,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:49,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:49,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:49,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:00:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:00:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:49,642 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:49,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:49,835 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:49,932 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:49,938 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:49,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:49 BoogieIcfgContainer [2023-11-24 23:00:49,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:49,941 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:49,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:49,952 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:49,952 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:49" (1/1) ... [2023-11-24 23:00:49,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:00:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:00:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:50,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:50,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:50,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:50,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:50,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:50,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:50,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:50,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:00:50,471 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:50,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:00:50,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-24 23:00:50,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:50 ImpRootNode [2023-11-24 23:00:50,503 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:50,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:50,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:50,504 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:50,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:49" (3/4) ... [2023-11-24 23:00:50,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:50,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:50,510 INFO L158 Benchmark]: Toolchain (without parser) took 2829.02ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.8MB in the beginning and 37.5MB in the end (delta: 2.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:50,510 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:50,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.43ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.7MB in the beginning and 52.8MB in the end (delta: -13.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:50,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.68ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 49.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:50,512 INFO L158 Benchmark]: Boogie Preprocessor took 79.13ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:50,513 INFO L158 Benchmark]: RCFGBuilder took 555.09ms. Allocated memory is still 86.0MB. Free memory was 47.3MB in the beginning and 54.8MB in the end (delta: -7.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:50,514 INFO L158 Benchmark]: CodeCheck took 561.97ms. Allocated memory is still 86.0MB. Free memory was 54.8MB in the beginning and 38.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:50,515 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 86.0MB. Free memory was 38.0MB in the beginning and 37.5MB in the end (delta: 492.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:50,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_min_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_min_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={7:0}, dataArray={7:0}, 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 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.43ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.7MB in the beginning and 52.8MB in the end (delta: -13.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.68ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 49.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.13ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.09ms. Allocated memory is still 86.0MB. Free memory was 47.3MB in the beginning and 54.8MB in the end (delta: -7.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 561.97ms. Allocated memory is still 86.0MB. Free memory was 54.8MB in the beginning and 38.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 86.0MB. Free memory was 38.0MB in the beginning and 37.5MB in the end (delta: 492.3kB). 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 Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated - 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 23:00:50,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0ea77e-a5dd-4270-87fe-7fe83b597c95/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