./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_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_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9 --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 d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:21:13,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:21:13,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:21:13,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:21:13,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:21:13,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:21:13,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:21:13,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:21:13,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:21:13,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:21:13,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:21:13,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:21:13,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:21:13,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:21:13,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:21:13,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:21:13,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:21:13,983 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:21:13,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:21:13,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:21:13,985 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:21:13,991 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:21:13,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:21:13,992 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:21:13,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:21:13,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:13,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:21:13,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:21:13,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:21:13,995 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:21:13,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:21:13,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:21:13,996 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_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 [2023-12-03 01:21:14,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:21:14,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:21:14,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:21:14,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:21:14,287 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:21:14,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-12-03 01:21:17,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:21:17,761 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:21:17,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-12-03 01:21:17,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data/d29f85754/a668ce639ceb4c8eb97b16defdf6e921/FLAGa6a681a22 [2023-12-03 01:21:17,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data/d29f85754/a668ce639ceb4c8eb97b16defdf6e921 [2023-12-03 01:21:17,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:21:17,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:21:17,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:17,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:21:17,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:21:17,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:17" (1/1) ... [2023-12-03 01:21:17,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b682c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17, skipping insertion in model container [2023-12-03 01:21:17,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:17" (1/1) ... [2023-12-03 01:21:17,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:21:18,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:18,757 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:21:18,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:19,064 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:19,065 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:19,065 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:19,065 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:19,075 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:21:19,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19 WrapperNode [2023-12-03 01:21:19,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:19,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:19,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:21:19,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:21:19,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,147 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2023-12-03 01:21:19,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:19,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:21:19,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:21:19,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:21:19,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:21:19,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:21:19,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:21:19,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:21:19,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:21:19,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:21:19,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:21:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:21:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:21:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:21:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:21:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:21:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:21:19,445 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:21:19,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:21:19,561 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:21:19,611 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:21:19,612 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:21:19,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:19 BoogieIcfgContainer [2023-12-03 01:21:19,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:21:19,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:21:19,616 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:21:19,627 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:21:19,627 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:19" (1/1) ... [2023-12-03 01:21:19,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:21:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:21:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:21:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:21:19,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:19,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:19,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:21:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:19,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:21:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:19,992 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:21:20,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 01:21:20,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:21:20 ImpRootNode [2023-12-03 01:21:20,024 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:21:20,025 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:21:20,025 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:21:20,025 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:21:20,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:19" (3/4) ... [2023-12-03 01:21:20,029 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:21:20,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:21:20,031 INFO L158 Benchmark]: Toolchain (without parser) took 2224.01ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 137.0MB in the beginning and 151.7MB in the end (delta: -14.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-03 01:21:20,032 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 188.7MB. Free memory was 150.7MB in the beginning and 150.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:20,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1267.64ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 136.8MB in the beginning and 185.3MB in the end (delta: -48.5MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-12-03 01:21:20,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.64ms. Allocated memory is still 243.3MB. Free memory was 185.3MB in the beginning and 182.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:21:20,035 INFO L158 Benchmark]: Boogie Preprocessor took 32.47ms. Allocated memory is still 243.3MB. Free memory was 182.1MB in the beginning and 181.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:21:20,035 INFO L158 Benchmark]: RCFGBuilder took 432.81ms. Allocated memory is still 243.3MB. Free memory was 181.1MB in the beginning and 166.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:21:20,036 INFO L158 Benchmark]: CodeCheck took 408.96ms. Allocated memory is still 243.3MB. Free memory was 166.4MB in the beginning and 151.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:21:20,037 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 243.3MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:20,041 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: 0.3s, 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: 1554]: 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); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.27ms. Allocated memory is still 188.7MB. Free memory was 150.7MB in the beginning and 150.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1267.64ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 136.8MB in the beginning and 185.3MB in the end (delta: -48.5MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.64ms. Allocated memory is still 243.3MB. Free memory was 185.3MB in the beginning and 182.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.47ms. Allocated memory is still 243.3MB. Free memory was 182.1MB in the beginning and 181.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.81ms. Allocated memory is still 243.3MB. Free memory was 181.1MB in the beginning and 166.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 408.96ms. Allocated memory is still 243.3MB. Free memory was 166.4MB in the beginning and 151.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 243.3MB. Free memory is still 151.7MB. 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 [2023-12-03 01:21:20,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9 --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 d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:21:22,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:21:22,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:21:22,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:21:22,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:21:22,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:21:22,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:21:22,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:21:22,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:21:22,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:21:22,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:21:22,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:21:22,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:21:22,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:21:22,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:21:22,507 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:21:22,508 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:21:22,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:21:22,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:21:22,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:21:22,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:21:22,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:21:22,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:21:22,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:21:22,512 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:22,513 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:21:22,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:21:22,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:22,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:21:22,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:21:22,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:21:22,516 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:21:22,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:22,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:21:22,517 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:21:22,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:21:22,517 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_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7488ecc3435aec49e9a0e1feb7086f5e759d5ae4d3ae04308a395f8f4216913 [2023-12-03 01:21:22,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:21:22,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:21:22,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:21:22,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:21:22,851 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:21:22,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-12-03 01:21:25,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:21:26,289 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:21:26,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_21_bad.i [2023-12-03 01:21:26,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data/20ea85b1f/784c3a398475434e82396fbde0d125df/FLAG46b70ddae [2023-12-03 01:21:26,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/data/20ea85b1f/784c3a398475434e82396fbde0d125df [2023-12-03 01:21:26,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:21:26,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:21:26,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:26,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:21:26,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:21:26,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:26" (1/1) ... [2023-12-03 01:21:26,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc10e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:26, skipping insertion in model container [2023-12-03 01:21:26,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:26" (1/1) ... [2023-12-03 01:21:26,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:21:27,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:27,277 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:21:27,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:27,533 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:27,533 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:27,534 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:27,534 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:21:27,542 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:21:27,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27 WrapperNode [2023-12-03 01:21:27,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:27,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:27,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:21:27,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:21:27,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,606 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2023-12-03 01:21:27,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:27,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:21:27,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:21:27,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:21:27,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:21:27,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:21:27,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:21:27,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:21:27,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:27" (1/1) ... [2023-12-03 01:21:27,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:27,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:21:27,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:21:27,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:21:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:21:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:21:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:21:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:21:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:21:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:21:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:21:27,889 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:21:27,891 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:21:28,012 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:21:28,064 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:21:28,064 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:21:28,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:28 BoogieIcfgContainer [2023-12-03 01:21:28,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:21:28,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:21:28,068 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:21:28,077 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:21:28,077 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:28" (1/1) ... [2023-12-03 01:21:28,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:21:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:21:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:21:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:21:28,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:28,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:28,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:28,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:28,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:21:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:28,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:21:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:28,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:21:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:28,435 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:21:28,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:21:28,438 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:21:28,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 01:21:28,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:21:28 ImpRootNode [2023-12-03 01:21:28,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:21:28,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:21:28,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:21:28,467 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:21:28,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:28" (3/4) ... [2023-12-03 01:21:28,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:21:28,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:21:28,472 INFO L158 Benchmark]: Toolchain (without parser) took 2135.92ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 48.4MB in the end (delta: 31.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-12-03 01:21:28,472 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:28,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1206.50ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 46.1MB in the end (delta: 34.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-12-03 01:21:28,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.17ms. Allocated memory is still 107.0MB. Free memory was 46.1MB in the beginning and 43.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:21:28,474 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 107.0MB. Free memory was 43.1MB in the beginning and 79.8MB in the end (delta: -36.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-12-03 01:21:28,475 INFO L158 Benchmark]: RCFGBuilder took 410.46ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 63.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:21:28,475 INFO L158 Benchmark]: CodeCheck took 398.74ms. Allocated memory is still 107.0MB. Free memory was 63.6MB in the beginning and 49.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:21:28,476 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 107.0MB. Free memory was 49.0MB in the beginning and 48.4MB in the end (delta: 605.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:28,480 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: 0.3s, 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: 1554]: 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); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.23ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1206.50ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 46.1MB in the end (delta: 34.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.17ms. Allocated memory is still 107.0MB. Free memory was 46.1MB in the beginning and 43.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 107.0MB. Free memory was 43.1MB in the beginning and 79.8MB in the end (delta: -36.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 410.46ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 63.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 398.74ms. Allocated memory is still 107.0MB. Free memory was 63.6MB in the beginning and 49.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 107.0MB. Free memory was 49.0MB in the beginning and 48.4MB in the end (delta: 605.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:21:28,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e198a8c1-fbcb-4286-b4b3-ab33d232b4dc/bin/ukojak-verify-Qdu7aM0XO9/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