./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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 c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:40:39,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:40:40,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:40:40,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:40:40,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:40:40,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:40:40,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:40:40,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:40:40,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:40:40,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:40:40,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:40:40,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:40:40,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:40:40,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:40:40,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:40:40,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:40:40,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:40:40,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:40:40,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:40:40,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:40:40,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:40:40,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:40:40,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:40:40,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:40:40,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:40:40,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:40,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:40:40,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:40:40,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:40:40,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:40:40,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:40:40,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:40:40,054 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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 [2023-12-03 00:40:40,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:40:40,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:40:40,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:40:40,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:40:40,288 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:40:40,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i [2023-12-03 00:40:43,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:40:43,325 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:40:43,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i [2023-12-03 00:40:43,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data/d37bffe8c/e1139dd15f514a458c048074f4ef3baa/FLAG3d8818113 [2023-12-03 00:40:43,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data/d37bffe8c/e1139dd15f514a458c048074f4ef3baa [2023-12-03 00:40:43,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:40:43,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:40:43,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:43,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:40:43,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:40:43,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:43" (1/1) ... [2023-12-03 00:40:43,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a8b31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:43, skipping insertion in model container [2023-12-03 00:40:43,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:43" (1/1) ... [2023-12-03 00:40:43,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:40:44,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:44,232 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:40:44,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:44,456 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:44,457 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:44,457 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:44,457 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:44,465 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:40:44,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44 WrapperNode [2023-12-03 00:40:44,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:44,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:44,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:40:44,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:40:44,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,517 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2023-12-03 00:40:44,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:44,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:40:44,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:40:44,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:40:44,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:40:44,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:40:44,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:40:44,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:40:44,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:40:44,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:40:44,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:40:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:40:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:40:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:40:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:40:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:40:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:40:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:40:44,723 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:40:44,724 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:40:44,819 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:40:44,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:40:44,856 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:40:44,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:44 BoogieIcfgContainer [2023-12-03 00:40:44,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:40:44,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:40:44,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:40:44,868 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:40:44,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:44" (1/1) ... [2023-12-03 00:40:44,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:40:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:40:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:40:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:40:44,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:44,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:45,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:40:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:45,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:40:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:45,129 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:40:45,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 00:40:45,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:40:45 ImpRootNode [2023-12-03 00:40:45,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:40:45,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:40:45,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:40:45,151 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:40:45,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:44" (3/4) ... [2023-12-03 00:40:45,154 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:40:45,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:40:45,156 INFO L158 Benchmark]: Toolchain (without parser) took 1788.06ms. Allocated memory is still 144.7MB. Free memory was 96.5MB in the beginning and 91.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-12-03 00:40:45,156 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:45,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1096.69ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 74.8MB in the end (delta: 21.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 00:40:45,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.49ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 71.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:40:45,158 INFO L158 Benchmark]: Boogie Preprocessor took 24.49ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 70.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:40:45,159 INFO L158 Benchmark]: RCFGBuilder took 313.61ms. Allocated memory is still 144.7MB. Free memory was 70.6MB in the beginning and 106.6MB in the end (delta: -36.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-12-03 00:40:45,160 INFO L158 Benchmark]: CodeCheck took 291.99ms. Allocated memory is still 144.7MB. Free memory was 106.6MB in the beginning and 91.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:40:45,160 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 144.7MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:45,163 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 6 NumberOfCodeBlocks, 6 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_52c_badSink(data) [L1572] --data 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 0.20ms. Allocated memory is still 94.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1096.69ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 74.8MB in the end (delta: 21.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.49ms. Allocated memory is still 144.7MB. Free memory was 74.8MB in the beginning and 71.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.49ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 70.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.61ms. Allocated memory is still 144.7MB. Free memory was 70.6MB in the beginning and 106.6MB in the end (delta: -36.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 291.99ms. Allocated memory is still 144.7MB. Free memory was 106.6MB in the beginning and 91.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 144.7MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 36.0kB). 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 00:40:45,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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 c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:40:47,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:40:47,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:40:47,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:40:47,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:40:47,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:40:47,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:40:47,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:40:47,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:40:47,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:40:47,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:40:47,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:40:47,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:40:47,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:40:47,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:40:47,145 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:40:47,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:40:47,146 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:40:47,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:40:47,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:40:47,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:40:47,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:40:47,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:40:47,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:40:47,149 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:47,150 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:40:47,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:40:47,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:47,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:40:47,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:40:47,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:40:47,153 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:40:47,153 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:47,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:40:47,153 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:40:47,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:40:47,154 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_a98b910a-bc41-4d52-aa5a-0afc1e81035d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c69c84091f8be32b1174a2ecc2fd1728c1e3994bd143c976f3051c1384e0d7b0 [2023-12-03 00:40:47,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:40:47,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:40:47,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:40:47,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:40:47,475 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:40:47,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i [2023-12-03 00:40:50,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:40:50,514 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:40:50,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_52_bad.i [2023-12-03 00:40:50,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data/53badef8f/e52bf21bfa254dd4b300875cf3abad0d/FLAG6d4c93fd5 [2023-12-03 00:40:50,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/data/53badef8f/e52bf21bfa254dd4b300875cf3abad0d [2023-12-03 00:40:50,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:40:50,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:40:50,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:50,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:40:50,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:40:50,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:50" (1/1) ... [2023-12-03 00:40:50,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3c1cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:50, skipping insertion in model container [2023-12-03 00:40:50,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:50" (1/1) ... [2023-12-03 00:40:50,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:40:51,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:51,359 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:40:51,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:51,552 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:51,552 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:51,553 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:51,553 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:51,561 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:40:51,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51 WrapperNode [2023-12-03 00:40:51,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:51,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:51,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:40:51,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:40:51,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,621 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2023-12-03 00:40:51,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:51,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:40:51,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:40:51,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:40:51,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:40:51,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:40:51,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:40:51,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:40:51,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:51,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:51,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:40:51,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:40:51,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:40:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:40:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:40:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:40:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:40:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:40:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:40:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:40:51,849 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:40:51,851 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:40:51,955 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:40:51,995 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:40:51,995 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:40:51,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:51 BoogieIcfgContainer [2023-12-03 00:40:51,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:40:51,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:40:51,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:40:52,007 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:40:52,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:51" (1/1) ... [2023-12-03 00:40:52,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:40:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:40:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:40:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:40:52,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:52,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:52,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:52,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:52,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:40:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:52,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:40:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:52,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:40:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:52,349 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:40:52,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:40:52,354 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:40:52,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 00:40:52,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:40:52 ImpRootNode [2023-12-03 00:40:52,377 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:40:52,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:40:52,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:40:52,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:40:52,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:51" (3/4) ... [2023-12-03 00:40:52,380 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:40:52,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:40:52,382 INFO L158 Benchmark]: Toolchain (without parser) took 1828.67ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 61.0MB in the end (delta: 10.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-03 00:40:52,382 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:52,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.34ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 65.1MB in the end (delta: 6.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-12-03 00:40:52,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.84ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 61.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:40:52,384 INFO L158 Benchmark]: Boogie Preprocessor took 33.14ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 59.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:40:52,384 INFO L158 Benchmark]: RCFGBuilder took 341.37ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 44.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:40:52,385 INFO L158 Benchmark]: CodeCheck took 379.56ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 61.0MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:52,385 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 98.6MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:52,389 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_52c_badSink(data) [L1572] --data 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 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.34ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 65.1MB in the end (delta: 6.2MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.84ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 61.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.14ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 59.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.37ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 44.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 379.56ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 61.0MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 98.6MB. Free memory is still 61.0MB. 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 00:40:52,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a98b910a-bc41-4d52-aa5a-0afc1e81035d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample