./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_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_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/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_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/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_5562e7d8-ad88-455a-9985-8499ddc416a7/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 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:26:35,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:26:35,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:26:35,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:26:35,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:26:35,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:26:35,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:26:35,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:26:35,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:26:35,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:26:35,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:26:35,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:26:35,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:26:35,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:26:35,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:26:35,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:26:35,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:26:35,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:26:35,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:26:35,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:26:35,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:26:35,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:26:35,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:26:35,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:26:35,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:26:35,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:35,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:26:35,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:26:35,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:26:35,782 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:26:35,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:26:35,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:26:35,783 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_5562e7d8-ad88-455a-9985-8499ddc416a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 [2023-12-03 01:26:36,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:26:36,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:26:36,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:26:36,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:26:36,033 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:26:36,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-12-03 01:26:38,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:26:39,101 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:26:39,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-12-03 01:26:39,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data/08c7e0168/18ccb5fbe7cc453782f029e57e52bb76/FLAG253c24fe2 [2023-12-03 01:26:39,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data/08c7e0168/18ccb5fbe7cc453782f029e57e52bb76 [2023-12-03 01:26:39,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:26:39,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:26:39,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:39,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:26:39,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:26:39,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:39" (1/1) ... [2023-12-03 01:26:39,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341e471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:39, skipping insertion in model container [2023-12-03 01:26:39,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:39" (1/1) ... [2023-12-03 01:26:39,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:26:39,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:39,916 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:26:39,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:40,137 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:40,138 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:40,138 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:40,138 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:40,145 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:26:40,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40 WrapperNode [2023-12-03 01:26:40,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:40,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:40,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:26:40,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:26:40,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,215 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-03 01:26:40,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:40,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:26:40,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:26:40,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:26:40,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:26:40,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:26:40,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:26:40,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:26:40,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:40,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:26:40,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:26:40,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:26:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:26:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:26:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:26:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:26:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:26:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:26:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:26:40,451 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:26:40,453 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:26:40,550 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:26:40,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:26:40,587 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:26:40,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:40 BoogieIcfgContainer [2023-12-03 01:26:40,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:26:40,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:26:40,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:26:40,597 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:26:40,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:40" (1/1) ... [2023-12-03 01:26:40,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:26:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:26:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:26:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:26:40,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:40,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:40,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:40,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:40,886 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:26:40,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 01:26:40,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:26:40 ImpRootNode [2023-12-03 01:26:40,912 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:26:40,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:26:40,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:26:40,914 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:26:40,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:40" (3/4) ... [2023-12-03 01:26:40,916 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:26:40,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:26:40,919 INFO L158 Benchmark]: Toolchain (without parser) took 1779.81ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 126.0MB in the beginning and 149.6MB in the end (delta: -23.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-12-03 01:26:40,919 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:40,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.04ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 62.2MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 01:26:40,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.20ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 62.2MB in the beginning and 180.1MB in the end (delta: -117.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-12-03 01:26:40,921 INFO L158 Benchmark]: Boogie Preprocessor took 25.08ms. Allocated memory is still 211.8MB. Free memory was 180.1MB in the beginning and 179.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:40,922 INFO L158 Benchmark]: RCFGBuilder took 334.08ms. Allocated memory is still 211.8MB. Free memory was 179.0MB in the beginning and 165.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:26:40,923 INFO L158 Benchmark]: CodeCheck took 323.43ms. Allocated memory is still 211.8MB. Free memory was 165.4MB in the beginning and 149.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:26:40,923 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 211.8MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:40,927 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: 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 1561. 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] int CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_predec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_predec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_predec_22_badGlobal) VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, 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] [L1572] --data VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, 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 0.21ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.04ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 62.2MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.20ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 62.2MB in the beginning and 180.1MB in the end (delta: -117.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.08ms. Allocated memory is still 211.8MB. Free memory was 180.1MB in the beginning and 179.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.08ms. Allocated memory is still 211.8MB. Free memory was 179.0MB in the beginning and 165.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 323.43ms. Allocated memory is still 211.8MB. Free memory was 165.4MB in the beginning and 149.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 211.8MB. Free memory is still 149.6MB. 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 01:26:40,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/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_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/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_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/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_5562e7d8-ad88-455a-9985-8499ddc416a7/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 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:26:42,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:26:42,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:26:42,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:26:42,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:26:42,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:26:42,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:26:42,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:26:42,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:26:42,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:26:42,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:26:42,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:26:42,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:26:42,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:26:42,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:26:42,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:26:42,999 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:26:43,000 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:26:43,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:26:43,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:26:43,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:26:43,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:26:43,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:26:43,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:26:43,004 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:43,004 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:26:43,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:26:43,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:43,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:26:43,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:26:43,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:26:43,007 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:26:43,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:43,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:26:43,007 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:26:43,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:26:43,008 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_5562e7d8-ad88-455a-9985-8499ddc416a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43e701de6208b0d070fe6d8c4618d5a525b2d5c787142b3d53ef30bedddedc44 [2023-12-03 01:26:43,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:26:43,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:26:43,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:26:43,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:26:43,340 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:26:43,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-12-03 01:26:46,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:26:46,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:26:46,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_22_bad.i [2023-12-03 01:26:46,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data/a91e4fb40/48618ed578f24c608d0a3cc2a53c807a/FLAG2f634e02b [2023-12-03 01:26:46,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/data/a91e4fb40/48618ed578f24c608d0a3cc2a53c807a [2023-12-03 01:26:46,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:26:46,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:26:46,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:46,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:26:46,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:26:46,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:46" (1/1) ... [2023-12-03 01:26:46,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f18997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:46, skipping insertion in model container [2023-12-03 01:26:46,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:26:46" (1/1) ... [2023-12-03 01:26:46,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:26:47,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:47,482 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:26:47,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:26:47,695 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:47,695 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:47,695 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:47,696 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:26:47,703 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:26:47,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47 WrapperNode [2023-12-03 01:26:47,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:26:47,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:47,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:26:47,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:26:47,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,768 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-03 01:26:47,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:26:47,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:26:47,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:26:47,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:26:47,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:26:47,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:26:47,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:26:47,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:26:47,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:26:47" (1/1) ... [2023-12-03 01:26:47,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:26:47,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:26:47,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:26:47,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:26:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:26:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:26:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:26:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:26:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:26:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:26:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:26:48,022 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:26:48,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:26:48,136 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:26:48,181 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:26:48,181 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:26:48,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:48 BoogieIcfgContainer [2023-12-03 01:26:48,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:26:48,184 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:26:48,184 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:26:48,195 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:26:48,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:48" (1/1) ... [2023-12-03 01:26:48,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:26:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:26:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:26:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:26:48,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:48,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:48,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:48,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:26:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:48,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:48,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:26:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:26:48,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:48,605 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:26:48,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 01:26:48,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:26:48 ImpRootNode [2023-12-03 01:26:48,660 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:26:48,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:26:48,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:26:48,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:26:48,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:26:48" (3/4) ... [2023-12-03 01:26:48,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:26:48,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:26:48,666 INFO L158 Benchmark]: Toolchain (without parser) took 2056.36ms. Allocated memory was 77.6MB in the beginning and 130.0MB in the end (delta: 52.4MB). Free memory was 50.3MB in the beginning and 100.4MB in the end (delta: -50.1MB). Peak memory consumption was 991.9kB. Max. memory is 16.1GB. [2023-12-03 01:26:48,666 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:48,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1094.34ms. Allocated memory was 77.6MB in the beginning and 130.0MB in the end (delta: 52.4MB). Free memory was 50.1MB in the beginning and 95.0MB in the end (delta: -45.0MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-12-03 01:26:48,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.59ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 91.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:26:48,668 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:26:48,669 INFO L158 Benchmark]: RCFGBuilder took 375.65ms. Allocated memory is still 130.0MB. Free memory was 90.2MB in the beginning and 74.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:26:48,670 INFO L158 Benchmark]: CodeCheck took 476.17ms. Allocated memory is still 130.0MB. Free memory was 74.1MB in the beginning and 101.2MB in the end (delta: -27.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-12-03 01:26:48,670 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 130.0MB. Free memory was 101.2MB in the beginning and 100.4MB in the end (delta: 770.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:26:48,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1561. 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] int CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=0, 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] [L1562] CALL CWE191_Integer_Underflow__int_min_predec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_predec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_predec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_predec_22_badGlobal) VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, 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] [L1572] --data VAL [CWE191_Integer_Underflow__int_min_predec_22_badGlobal=1, 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 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1094.34ms. Allocated memory was 77.6MB in the beginning and 130.0MB in the end (delta: 52.4MB). Free memory was 50.1MB in the beginning and 95.0MB in the end (delta: -45.0MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.59ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 91.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.00ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.65ms. Allocated memory is still 130.0MB. Free memory was 90.2MB in the beginning and 74.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 476.17ms. Allocated memory is still 130.0MB. Free memory was 74.1MB in the beginning and 101.2MB in the end (delta: -27.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 130.0MB. Free memory was 101.2MB in the beginning and 100.4MB in the end (delta: 770.6kB). 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 01:26:48,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5562e7d8-ad88-455a-9985-8499ddc416a7/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