./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_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_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/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_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/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_c1be379e-6459-4581-a6ea-452c0643712b/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 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:04,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:04,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:51:04,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:04,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:05,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:05,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:05,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:05,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:05,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:05,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:05,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:05,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:05,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:05,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:05,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:05,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:05,047 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:05,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:05,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:05,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:05,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:05,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:05,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:05,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:05,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:05,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:05,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:05,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:05,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:05,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:05,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:05,055 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_c1be379e-6459-4581-a6ea-452c0643712b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 [2023-11-24 22:51:05,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:05,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:05,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:05,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:05,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:05,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-11-24 22:51:08,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:08,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:08,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-11-24 22:51:09,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data/e0d8fca20/e28c164c3f1a4347b1b33b3a1d70736e/FLAG2569104da [2023-11-24 22:51:09,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data/e0d8fca20/e28c164c3f1a4347b1b33b3a1d70736e [2023-11-24 22:51:09,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:09,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:09,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:09,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:09,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:09,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc6bf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:09, skipping insertion in model container [2023-11-24 22:51:09,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:10,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:10,334 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:10,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:10,599 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:10,599 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:10,599 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:10,600 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:10,607 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:10,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10 WrapperNode [2023-11-24 22:51:10,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:10,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:10,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:10,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:10,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,671 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-24 22:51:10,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:10,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:10,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:10,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:10,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:10,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:10,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:10,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:10,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:10,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:10,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:10,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:51:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:51:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:51:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:11,043 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:11,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:11,162 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:11,212 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:11,212 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:51:11,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:11 BoogieIcfgContainer [2023-11-24 22:51:11,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:11,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:11,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:11,223 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:11,224 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:51:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:51:11,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:11,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:11,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:11,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:11,601 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:11,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:51:11,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:11 ImpRootNode [2023-11-24 22:51:11,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:11,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:11,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:11,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:11,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:11" (3/4) ... [2023-11-24 22:51:11,647 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:11,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:11,650 INFO L158 Benchmark]: Toolchain (without parser) took 2538.11ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 87.2MB in the beginning and 81.5MB in the end (delta: 5.6MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:11,650 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 136.3MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:11,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1493.30ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 86.8MB in the beginning and 115.1MB in the end (delta: -28.3MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:11,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 112.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:11,653 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 110.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:11,654 INFO L158 Benchmark]: RCFGBuilder took 510.37ms. Allocated memory is still 174.1MB. Free memory was 110.9MB in the beginning and 97.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:51:11,656 INFO L158 Benchmark]: CodeCheck took 423.13ms. Allocated memory is still 174.1MB. Free memory was 97.0MB in the beginning and 81.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:51:11,656 INFO L158 Benchmark]: Witness Printer took 7.55ms. Allocated memory is still 174.1MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:11,663 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: 1561]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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] [L1561] 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 0.37ms. Allocated memory is still 136.3MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1493.30ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 86.8MB in the beginning and 115.1MB in the end (delta: -28.3MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 174.1MB. Free memory was 115.1MB in the beginning and 112.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 110.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.37ms. Allocated memory is still 174.1MB. Free memory was 110.9MB in the beginning and 97.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 423.13ms. Allocated memory is still 174.1MB. Free memory was 97.0MB in the beginning and 81.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.55ms. Allocated memory is still 174.1MB. Free memory was 81.5MB in the beginning and 81.5MB 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 22:51:11,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/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_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/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_c1be379e-6459-4581-a6ea-452c0643712b/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 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:14,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:14,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:51:14,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:14,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:14,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:14,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:14,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:14,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:14,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:14,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:14,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:14,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:14,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:14,571 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:51:14,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:51:14,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:14,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:51:14,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:14,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:14,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:14,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:14,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:14,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:14,577 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:14,578 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:14,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:14,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:14,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:14,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:14,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:14,581 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:51:14,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:14,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:14,583 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:51:14,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:51:14,584 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_c1be379e-6459-4581-a6ea-452c0643712b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 [2023-11-24 22:51:14,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:14,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:14,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:14,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:14,946 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:14,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-11-24 22:51:18,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:18,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:18,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2023-11-24 22:51:18,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data/cea63094a/b14ed975ecd3436795291f8127ac0a3d/FLAGf23c57d19 [2023-11-24 22:51:19,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/data/cea63094a/b14ed975ecd3436795291f8127ac0a3d [2023-11-24 22:51:19,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:19,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:19,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:19,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:19,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:19,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:19" (1/1) ... [2023-11-24 22:51:19,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f02127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:19, skipping insertion in model container [2023-11-24 22:51:19,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:19" (1/1) ... [2023-11-24 22:51:19,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:20,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:20,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:20,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:20,809 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:20,809 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:20,809 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:20,810 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:20,818 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:20,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20 WrapperNode [2023-11-24 22:51:20,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:20,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:20,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:20,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:20,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,911 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-24 22:51:20,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:20,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:20,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:20,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:20,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:20,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:20,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:20,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:20,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:20" (1/1) ... [2023-11-24 22:51:20,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:20,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:21,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:21,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:51:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:51:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:51:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:51:21,222 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:21,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:21,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:21,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:21,452 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:51:21,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:21 BoogieIcfgContainer [2023-11-24 22:51:21,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:21,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:21,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:21,465 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:21,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:21" (1/1) ... [2023-11-24 22:51:21,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:51:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:51:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:21,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:21,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:51:21,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:51:21,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:51:21,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:51:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:21,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:21,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:51:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:51:21,891 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:51:21,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:51:21,901 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:51:21,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:51:21,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:51:21 ImpRootNode [2023-11-24 22:51:21,940 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:51:21,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:51:21,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:51:21,943 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:51:21,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:21" (3/4) ... [2023-11-24 22:51:21,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:51:21,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:51:21,948 INFO L158 Benchmark]: Toolchain (without parser) took 2907.64ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 37.5MB in the beginning and 54.9MB in the end (delta: -17.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,948 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:51:21,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1777.61ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 37.3MB in the beginning and 55.4MB in the end (delta: -18.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.16ms. Allocated memory is still 107.0MB. Free memory was 55.4MB in the beginning and 52.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,951 INFO L158 Benchmark]: Boogie Preprocessor took 49.47ms. Allocated memory is still 107.0MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,952 INFO L158 Benchmark]: RCFGBuilder took 490.80ms. Allocated memory is still 107.0MB. Free memory was 50.0MB in the beginning and 70.5MB in the end (delta: -20.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,953 INFO L158 Benchmark]: CodeCheck took 485.91ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 55.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,954 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 54.9MB in the end (delta: 685.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:51:21,966 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: 1561]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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] [L1561] 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 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1777.61ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 37.3MB in the beginning and 55.4MB in the end (delta: -18.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.16ms. Allocated memory is still 107.0MB. Free memory was 55.4MB in the beginning and 52.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.47ms. Allocated memory is still 107.0MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.80ms. Allocated memory is still 107.0MB. Free memory was 50.0MB in the beginning and 70.5MB in the end (delta: -20.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * CodeCheck took 485.91ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 55.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 107.0MB. Free memory was 55.6MB in the beginning and 54.9MB in the end (delta: 685.8kB). 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~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:51:21,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1be379e-6459-4581-a6ea-452c0643712b/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