./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/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_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/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_28086eb2-f02f-49fa-888e-a91d95e2282c/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 c1c3859b172166c04af73150708025b476430666e4f00cc6b82fca49649b4759 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:48,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:48,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:54:48,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:48,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:48,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:48,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:48,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:48,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:48,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:48,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:48,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:48,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:48,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:48,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:48,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:48,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:48,313 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:48,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:48,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:48,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:48,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:48,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:48,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:48,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:48,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:48,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:48,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:48,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:48,329 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:48,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:48,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:48,331 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_28086eb2-f02f-49fa-888e-a91d95e2282c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c3859b172166c04af73150708025b476430666e4f00cc6b82fca49649b4759 [2023-11-24 22:54:48,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:48,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:48,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:48,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:48,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:48,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i [2023-11-24 22:54:51,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:52,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:52,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i [2023-11-24 22:54:52,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data/93e6142f2/5255ccde096646d0b7609ec766f82741/FLAG33b1a9f22 [2023-11-24 22:54:52,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data/93e6142f2/5255ccde096646d0b7609ec766f82741 [2023-11-24 22:54:52,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:52,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:52,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:52,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:52,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:52,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e2de6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52, skipping insertion in model container [2023-11-24 22:54:52,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:53,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:53,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:53,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:54,040 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:54,040 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:54,040 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:54,041 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:54,049 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:54,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54 WrapperNode [2023-11-24 22:54:54,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:54,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:54,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:54,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:54,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,107 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-24 22:54:54,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:54,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:54,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:54,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:54,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:54,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:54,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:54,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:54,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:54,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:54,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:54,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:54:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:54:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:54:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:54,411 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:54,412 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:54,519 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:54,563 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:54,564 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:54,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54 BoogieIcfgContainer [2023-11-24 22:54:54,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:54,567 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:54,567 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:54,577 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:54,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:54:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:54:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:54,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:54,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:54,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:54,972 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:54:55,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:54:55,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-24 22:54:55,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:55 ImpRootNode [2023-11-24 22:54:55,012 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:55,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:55,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:55,016 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:55,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54" (3/4) ... [2023-11-24 22:54:55,021 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:55,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:55,023 INFO L158 Benchmark]: Toolchain (without parser) took 2538.47ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 92.9MB in the end (delta: 44.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:55,024 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:55,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1560.68ms. Allocated memory is still 184.5MB. Free memory was 137.0MB in the beginning and 126.4MB in the end (delta: 10.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:55,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.16ms. Allocated memory is still 184.5MB. Free memory was 126.4MB in the beginning and 123.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:55,027 INFO L158 Benchmark]: Boogie Preprocessor took 28.00ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 122.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:55,028 INFO L158 Benchmark]: RCFGBuilder took 429.36ms. Allocated memory is still 184.5MB. Free memory was 122.2MB in the beginning and 108.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:54:55,029 INFO L158 Benchmark]: CodeCheck took 445.19ms. Allocated memory is still 184.5MB. Free memory was 108.9MB in the beginning and 93.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:55,030 INFO L158 Benchmark]: Witness Printer took 7.18ms. Allocated memory is still 184.5MB. Free memory was 92.9MB in the beginning and 92.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:55,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1560.68ms. Allocated memory is still 184.5MB. Free memory was 137.0MB in the beginning and 126.4MB in the end (delta: 10.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.16ms. Allocated memory is still 184.5MB. Free memory was 126.4MB in the beginning and 123.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.00ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 122.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.36ms. Allocated memory is still 184.5MB. Free memory was 122.2MB in the beginning and 108.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 445.19ms. Allocated memory is still 184.5MB. Free memory was 108.9MB in the beginning and 93.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.18ms. Allocated memory is still 184.5MB. Free memory was 92.9MB in the beginning and 92.9MB 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 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 22:54:55,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/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_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/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_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/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_28086eb2-f02f-49fa-888e-a91d95e2282c/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 c1c3859b172166c04af73150708025b476430666e4f00cc6b82fca49649b4759 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:57,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:57,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:54:58,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:58,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:58,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:58,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:58,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:58,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:58,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:58,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:58,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:58,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:58,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:58,039 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:54:58,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:54:58,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:58,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:54:58,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:58,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:58,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:58,044 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:58,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:58,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:58,045 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:58,045 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:58,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:58,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:58,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:58,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:58,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:58,049 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:54:58,049 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:58,050 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:58,050 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:54:58,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:58,050 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_28086eb2-f02f-49fa-888e-a91d95e2282c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c3859b172166c04af73150708025b476430666e4f00cc6b82fca49649b4759 [2023-11-24 22:54:58,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:58,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:58,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:58,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:58,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:58,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i [2023-11-24 22:55:01,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:02,179 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:02,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_06_bad.i [2023-11-24 22:55:02,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data/0b28624c2/e52c7820ad2443e7892ee4abda9dadac/FLAG16f0b4d2b [2023-11-24 22:55:02,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/data/0b28624c2/e52c7820ad2443e7892ee4abda9dadac [2023-11-24 22:55:02,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:02,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:02,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:02,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:02,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:02,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602c121d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02, skipping insertion in model container [2023-11-24 22:55:02,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:03,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:03,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:03,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:03,923 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:03,923 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:03,923 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:03,923 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:03,931 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:03,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03 WrapperNode [2023-11-24 22:55:03,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:03,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:03,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:03,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:03,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:03,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:03,996 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-24 22:55:03,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:03,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:03,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:03,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:04,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:04,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:04,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:04,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:04,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:04,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:04,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:04,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:04,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:04,296 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:04,299 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:04,483 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:04,536 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:04,536 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:04,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:04 BoogieIcfgContainer [2023-11-24 22:55:04,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:04,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:04,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:04,550 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:04,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:04" (1/1) ... [2023-11-24 22:55:04,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:55:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:55:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:55:04,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:04,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:55:04,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:55:04,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:55:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:04,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:05,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:05,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:55:05,112 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:55:05,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:55:05,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-24 22:55:05,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:05 ImpRootNode [2023-11-24 22:55:05,157 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:05,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:05,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:05,160 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:05,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:04" (3/4) ... [2023-11-24 22:55:05,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:55:05,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:05,165 INFO L158 Benchmark]: Toolchain (without parser) took 2935.58ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 80.2MB in the end (delta: 3.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:05,165 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 58.4MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:05,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1701.96ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 83.0MB in the end (delta: 463.3kB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:05,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.16ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 80.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:05,168 INFO L158 Benchmark]: Boogie Preprocessor took 39.10ms. Allocated memory is still 111.1MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:05,169 INFO L158 Benchmark]: RCFGBuilder took 501.09ms. Allocated memory is still 111.1MB. Free memory was 77.9MB in the beginning and 62.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:05,170 INFO L158 Benchmark]: CodeCheck took 617.43ms. Allocated memory is still 111.1MB. Free memory was 62.1MB in the beginning and 80.9MB in the end (delta: -18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:05,171 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 111.1MB. Free memory was 80.9MB in the beginning and 80.2MB in the end (delta: 630.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:05,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 58.4MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1701.96ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 83.0MB in the end (delta: 463.3kB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.16ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 80.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.10ms. Allocated memory is still 111.1MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.09ms. Allocated memory is still 111.1MB. Free memory was 77.9MB in the beginning and 62.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 617.43ms. Allocated memory is still 111.1MB. Free memory was 62.1MB in the beginning and 80.9MB in the end (delta: -18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 111.1MB. Free memory was 80.9MB in the beginning and 80.2MB in the end (delta: 630.1kB). Peak memory consumption was 2.1MB. 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 Unfinished Backtranslation: IdentifierExpression #t~post96 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 22:55:05,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28086eb2-f02f-49fa-888e-a91d95e2282c/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