./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/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_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/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_0a6d1708-2f4d-448b-8601-9eb760aec01f/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 657dd4ce74fba5c72fa2f5896ce95d8008e5d27bc4193c2b55b587d194433790 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:30,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:30,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:07:30,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:30,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:30,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:30,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:30,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:30,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:30,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:30,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:30,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:30,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:30,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:30,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:30,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:30,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:30,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:30,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:30,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:30,999 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:31,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:31,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:31,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:31,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:31,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:31,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:31,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:31,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:31,005 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:31,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:31,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:31,007 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_0a6d1708-2f4d-448b-8601-9eb760aec01f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657dd4ce74fba5c72fa2f5896ce95d8008e5d27bc4193c2b55b587d194433790 [2023-11-24 23:07:31,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:31,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:31,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:31,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:31,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:31,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i [2023-11-24 23:07:34,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:34,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:34,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i [2023-11-24 23:07:35,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data/0c8bd2aa7/ae37493caa8a41e6a579889d5be7b9c9/FLAG71c032f6e [2023-11-24 23:07:35,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data/0c8bd2aa7/ae37493caa8a41e6a579889d5be7b9c9 [2023-11-24 23:07:35,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:35,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:35,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:35,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:35,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:35,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:35" (1/1) ... [2023-11-24 23:07:35,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46630ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:35, skipping insertion in model container [2023-11-24 23:07:35,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:35" (1/1) ... [2023-11-24 23:07:35,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:36,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:36,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:36,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:36,546 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:36,546 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:36,546 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:36,547 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:36,555 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:36,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36 WrapperNode [2023-11-24 23:07:36,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:36,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:36,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:36,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:36,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,622 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-24 23:07:36,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:36,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:36,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:36,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:36,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:36,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:36,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:36,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:36,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:36" (1/1) ... [2023-11-24 23:07:36,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:36,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:36,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:36,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:07:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:07:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:07:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:36,887 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:36,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:37,094 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:37,146 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:37,146 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:07:37,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:37 BoogieIcfgContainer [2023-11-24 23:07:37,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:37,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:37,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:37,162 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:37,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:37" (1/1) ... [2023-11-24 23:07:37,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:07:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:07:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:07:37,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:37,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:37,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:37,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:37,548 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:07:37,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:07:37,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:37 ImpRootNode [2023-11-24 23:07:37,586 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:37,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:37,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:37,591 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:37,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:37" (3/4) ... [2023-11-24 23:07:37,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:07:37,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:37,606 INFO L158 Benchmark]: Toolchain (without parser) took 2578.66ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 118.9MB in the end (delta: 20.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-24 23:07:37,607 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:37,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.86ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 131.3MB in the end (delta: 8.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:07:37,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.86ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 128.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:37,611 INFO L158 Benchmark]: Boogie Preprocessor took 28.63ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 127.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:37,612 INFO L158 Benchmark]: RCFGBuilder took 496.19ms. Allocated memory is still 172.0MB. Free memory was 127.1MB in the beginning and 133.6MB in the end (delta: -6.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-24 23:07:37,613 INFO L158 Benchmark]: CodeCheck took 437.23ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 118.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:37,615 INFO L158 Benchmark]: Witness Printer took 13.57ms. Allocated memory is still 172.0MB. Free memory was 118.9MB in the beginning and 118.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:37,626 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, 15 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.86ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 131.3MB in the end (delta: 8.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.86ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 128.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.63ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 127.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.19ms. Allocated memory is still 172.0MB. Free memory was 127.1MB in the beginning and 133.6MB in the end (delta: -6.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 437.23ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 118.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 13.57ms. Allocated memory is still 172.0MB. Free memory was 118.9MB in the beginning and 118.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:07:37,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/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_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/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_0a6d1708-2f4d-448b-8601-9eb760aec01f/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 657dd4ce74fba5c72fa2f5896ce95d8008e5d27bc4193c2b55b587d194433790 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:40,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:40,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:07:40,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:40,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:40,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:40,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:40,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:40,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:40,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:40,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:40,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:40,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:40,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:40,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:07:40,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:07:40,749 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:40,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:07:40,750 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:40,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:40,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:40,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:40,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:40,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:40,754 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:40,755 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:40,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:40,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:40,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:40,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:40,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:40,760 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:07:40,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:40,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:40,761 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:07:40,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:40,762 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_0a6d1708-2f4d-448b-8601-9eb760aec01f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657dd4ce74fba5c72fa2f5896ce95d8008e5d27bc4193c2b55b587d194433790 [2023-11-24 23:07:41,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:41,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:41,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:41,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:41,278 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:41,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i [2023-11-24 23:07:44,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:45,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:45,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_14_bad.i [2023-11-24 23:07:45,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data/11e769ded/43d51bbe3a694fc6b87bb9fa29f963f2/FLAGc5b4176ba [2023-11-24 23:07:45,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/data/11e769ded/43d51bbe3a694fc6b87bb9fa29f963f2 [2023-11-24 23:07:45,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:45,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:45,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:45,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:45,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:45,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:45" (1/1) ... [2023-11-24 23:07:45,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d1cda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:45, skipping insertion in model container [2023-11-24 23:07:45,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:45" (1/1) ... [2023-11-24 23:07:45,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:46,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:46,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:46,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:47,153 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:47,153 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:47,154 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:47,154 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:47,163 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:47,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47 WrapperNode [2023-11-24 23:07:47,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:47,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:47,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:47,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:47,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,238 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-24 23:07:47,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:47,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:47,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:47,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:47,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:47,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:47,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:47,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:47,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:47,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:47,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:47,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:07:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:07:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:07:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:07:47,589 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:47,592 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:47,737 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:47,830 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:47,830 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:07:47,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:47 BoogieIcfgContainer [2023-11-24 23:07:47,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:47,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:47,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:47,855 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:47,857 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:07:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:07:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:07:47,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:47,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:47,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:07:47,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:07:47,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:07:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:48,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:48,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:48,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:07:48,322 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:07:48,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:07:48,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:48 ImpRootNode [2023-11-24 23:07:48,369 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:48,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:48,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:48,372 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:48,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:47" (3/4) ... [2023-11-24 23:07:48,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:07:48,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:48,378 INFO L158 Benchmark]: Toolchain (without parser) took 3208.19ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 66.8MB in the beginning and 90.3MB in the end (delta: -23.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:48,378 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:48,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1990.03ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 66.5MB in the beginning and 88.7MB in the end (delta: -22.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-24 23:07:48,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.14ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 85.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:48,381 INFO L158 Benchmark]: Boogie Preprocessor took 60.52ms. Allocated memory is still 127.9MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:48,382 INFO L158 Benchmark]: RCFGBuilder took 531.70ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 67.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:48,383 INFO L158 Benchmark]: CodeCheck took 535.30ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 90.7MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:48,384 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 90.3MB in the end (delta: 352.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:48,395 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, 15 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1990.03ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 66.5MB in the beginning and 88.7MB in the end (delta: -22.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.14ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 85.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.52ms. Allocated memory is still 127.9MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.70ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 67.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 535.30ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 90.7MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 90.3MB in the end (delta: 352.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:07:48,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6d1708-2f4d-448b-8601-9eb760aec01f/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