./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/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_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/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_85a11e25-1cb5-43b5-b354-0b96c1bea533/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 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:50,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:50,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:12:50,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:50,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:50,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:50,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:50,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:50,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:50,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:50,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:50,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:50,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:50,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:50,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:50,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:50,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:50,658 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:50,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:50,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:50,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:50,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:50,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:50,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:50,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:50,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:50,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:50,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:50,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:50,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:50,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:50,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:50,667 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_85a11e25-1cb5-43b5-b354-0b96c1bea533/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 [2023-11-24 22:12:50,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:50,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:50,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:50,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:50,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:50,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-11-24 22:12:54,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:54,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:54,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-11-24 22:12:54,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data/9dbea2c10/26c6e7a48e414ec189a2595c65230825/FLAG0c74ed239 [2023-11-24 22:12:54,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data/9dbea2c10/26c6e7a48e414ec189a2595c65230825 [2023-11-24 22:12:54,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:54,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:54,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:54,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:54,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:54,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:54" (1/1) ... [2023-11-24 22:12:54,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdb4424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:54, skipping insertion in model container [2023-11-24 22:12:54,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:54" (1/1) ... [2023-11-24 22:12:54,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:55,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:55,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:55,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:56,159 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:56,159 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:56,160 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:56,160 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:56,168 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:56,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56 WrapperNode [2023-11-24 22:12:56,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:56,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:56,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:56,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:56,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,233 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-11-24 22:12:56,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:56,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:56,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:56,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:56,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:56,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:56,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:56,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:56,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:56,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:56,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:56,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:56,526 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:56,528 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:56,679 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:56,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:56,723 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:56,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56 BoogieIcfgContainer [2023-11-24 22:12:56,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:56,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:56,727 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:56,746 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:56,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:12:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:12:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:12:56,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:56,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:57,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:57,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:57,212 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:12:57,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:12:57,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:57 ImpRootNode [2023-11-24 22:12:57,246 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:57,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:57,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:57,250 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:57,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56" (3/4) ... [2023-11-24 22:12:57,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:57,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:57,255 INFO L158 Benchmark]: Toolchain (without parser) took 2528.13ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:57,256 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 144.7MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:57,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1439.71ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 95.3MB in the beginning and 125.8MB in the end (delta: -30.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:57,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.24ms. Allocated memory is still 188.7MB. Free memory was 125.8MB in the beginning and 122.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:57,258 INFO L158 Benchmark]: Boogie Preprocessor took 29.19ms. Allocated memory is still 188.7MB. Free memory was 122.8MB in the beginning and 121.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:57,259 INFO L158 Benchmark]: RCFGBuilder took 461.37ms. Allocated memory is still 188.7MB. Free memory was 121.7MB in the beginning and 108.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:12:57,260 INFO L158 Benchmark]: CodeCheck took 520.75ms. Allocated memory is still 188.7MB. Free memory was 108.2MB in the beginning and 93.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:12:57,260 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 188.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:57,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.38ms. Allocated memory is still 144.7MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1439.71ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 95.3MB in the beginning and 125.8MB in the end (delta: -30.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.24ms. Allocated memory is still 188.7MB. Free memory was 125.8MB in the beginning and 122.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.19ms. Allocated memory is still 188.7MB. Free memory was 122.8MB in the beginning and 121.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.37ms. Allocated memory is still 188.7MB. Free memory was 121.7MB in the beginning and 108.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 520.75ms. Allocated memory is still 188.7MB. Free memory was 108.2MB in the beginning and 93.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 188.7MB. Free memory is still 93.3MB. 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 22:12:57,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/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_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/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_85a11e25-1cb5-43b5-b354-0b96c1bea533/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 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:00,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:00,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:13:00,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:00,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:00,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:00,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:00,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:00,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:00,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:00,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:00,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:00,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:00,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:00,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:13:00,313 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:13:00,313 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:13:00,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:13:00,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:13:00,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:00,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:00,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:00,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:00,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:00,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:00,318 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:00,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:00,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:00,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:00,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:00,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:00,321 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:13:00,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:00,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:00,322 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:13:00,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:00,323 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_85a11e25-1cb5-43b5-b354-0b96c1bea533/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 [2023-11-24 22:13:00,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:00,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:00,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:00,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:00,792 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:00,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-11-24 22:13:04,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:04,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:04,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-11-24 22:13:04,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data/9010949b5/4ab064cf57284a608b0c5ca4e3969cd5/FLAG37fc8efcb [2023-11-24 22:13:04,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/data/9010949b5/4ab064cf57284a608b0c5ca4e3969cd5 [2023-11-24 22:13:04,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:04,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:04,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:04,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:04,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:04,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:04" (1/1) ... [2023-11-24 22:13:04,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b465eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:04, skipping insertion in model container [2023-11-24 22:13:04,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:04" (1/1) ... [2023-11-24 22:13:04,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:05,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:06,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:06,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:06,375 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:06,375 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:06,375 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:06,375 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:06,383 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:06,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06 WrapperNode [2023-11-24 22:13:06,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:06,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:06,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:06,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:06,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,476 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-11-24 22:13:06,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:06,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:06,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:06,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:06,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:06,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:06,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:06,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:06,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:06,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:06,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:06,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:13:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:13:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:13:06,773 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:06,775 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:06,951 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:07,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:07,010 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:13:07,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:07 BoogieIcfgContainer [2023-11-24 22:13:07,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:07,013 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:07,013 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:07,024 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:07,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:13:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:13:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:13:07,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:07,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:07,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:07,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:07,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:13:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:07,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:07,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:07,390 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:13:07,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:13:07,395 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:13:07,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:13:07,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:13:07 ImpRootNode [2023-11-24 22:13:07,428 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:13:07,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:13:07,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:13:07,431 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:13:07,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:07" (3/4) ... [2023-11-24 22:13:07,433 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:13:07,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:13:07,435 INFO L158 Benchmark]: Toolchain (without parser) took 2824.90ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 50.6MB in the end (delta: 16.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:07,436 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 65.0MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:07,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1769.19ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 54.8MB in the end (delta: 12.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-24 22:13:07,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.02ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 51.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:07,438 INFO L158 Benchmark]: Boogie Preprocessor took 62.60ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:07,439 INFO L158 Benchmark]: RCFGBuilder took 466.24ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 64.9MB in the end (delta: -15.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-24 22:13:07,440 INFO L158 Benchmark]: CodeCheck took 415.83ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 51.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:13:07,440 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 527.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:07,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.58ms. Allocated memory is still 65.0MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1769.19ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 54.8MB in the end (delta: 12.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.02ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 51.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.60ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.24ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 64.9MB in the end (delta: -15.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * CodeCheck took 415.83ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 51.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 527.5kB). 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 22:13:07,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a11e25-1cb5-43b5-b354-0b96c1bea533/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