./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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 ceab603d32db6384534ead8759a54f261c19d82d6a3e68fbc5e4f9bd5a6b0aa2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:13:49,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:13:49,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:13:49,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:13:49,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:13:49,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:13:49,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:13:49,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:13:49,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:13:49,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:13:49,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:13:49,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:13:49,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:13:49,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:13:49,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:13:49,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:13:49,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:13:49,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:13:49,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:13:49,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:13:49,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:13:49,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:13:49,328 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:13:49,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:13:49,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:13:49,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:13:49,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:13:49,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:13:49,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:13:49,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:13:49,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:13:49,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:13:49,332 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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceab603d32db6384534ead8759a54f261c19d82d6a3e68fbc5e4f9bd5a6b0aa2 [2023-12-02 22:13:49,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:13:49,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:13:49,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:13:49,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:13:49,601 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:13:49,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_bad.i [2023-12-02 22:13:52,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:13:52,703 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:13:52,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_bad.i [2023-12-02 22:13:52,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data/401ed2144/3d4d8b4463074922856815781fd77034/FLAG3cef01a67 [2023-12-02 22:13:52,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data/401ed2144/3d4d8b4463074922856815781fd77034 [2023-12-02 22:13:52,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:13:52,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:13:52,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:13:52,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:13:52,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:13:52,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:13:52" (1/1) ... [2023-12-02 22:13:52,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4eae8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:52, skipping insertion in model container [2023-12-02 22:13:52,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:13:52" (1/1) ... [2023-12-02 22:13:52,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:13:53,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:13:53,642 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:13:53,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:13:53,921 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:13:53,922 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:13:53,922 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:13:53,922 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:13:53,930 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:13:53,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53 WrapperNode [2023-12-02 22:13:53,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:13:53,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:13:53,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:13:53,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:13:53,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:53,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:53,983 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-12-02 22:13:53,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:13:53,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:13:53,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:13:53,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:13:53,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:53,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:53,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:53,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:54,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:54,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:54,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:54,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:54,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:13:54,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:13:54,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:13:54,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:13:54,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:13:53" (1/1) ... [2023-12-02 22:13:54,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:13:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:13:54,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:13:54,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:13:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:13:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:13:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:13:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:13:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:13:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:13:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:13:54,208 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:13:54,210 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:13:54,312 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:13:54,356 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:13:54,356 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:13:54,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:13:54 BoogieIcfgContainer [2023-12-02 22:13:54,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:13:54,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:13:54,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:13:54,368 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:13:54,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:13:54" (1/1) ... [2023-12-02 22:13:54,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:13:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:13:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:13:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:13:54,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:54,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:13:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:13:54,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:13:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:13:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:13:54,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:13:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:13:54,661 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:13:54,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 22:13:54,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:13:54 ImpRootNode [2023-12-02 22:13:54,689 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:13:54,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:13:54,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:13:54,690 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:13:54,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:13:54" (3/4) ... [2023-12-02 22:13:54,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:13:54,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:13:54,695 INFO L158 Benchmark]: Toolchain (without parser) took 1943.74ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 107.1MB in the beginning and 105.9MB in the end (delta: 1.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-12-02 22:13:54,696 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:13:54,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.55ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 106.7MB in the beginning and 139.5MB in the end (delta: -32.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-12-02 22:13:54,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 186.6MB. Free memory was 139.5MB in the beginning and 136.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:13:54,698 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 186.6MB. Free memory was 136.4MB in the beginning and 135.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:13:54,698 INFO L158 Benchmark]: RCFGBuilder took 349.24ms. Allocated memory is still 186.6MB. Free memory was 135.3MB in the beginning and 121.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:13:54,699 INFO L158 Benchmark]: CodeCheck took 330.46ms. Allocated memory is still 186.6MB. Free memory was 120.6MB in the beginning and 105.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:13:54,699 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 186.6MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:13:54,703 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.55ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 106.7MB in the beginning and 139.5MB in the end (delta: -32.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 186.6MB. Free memory was 139.5MB in the beginning and 136.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 186.6MB. Free memory was 136.4MB in the beginning and 135.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.24ms. Allocated memory is still 186.6MB. Free memory was 135.3MB in the beginning and 121.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 330.46ms. Allocated memory is still 186.6MB. Free memory was 120.6MB in the beginning and 105.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 186.6MB. Free memory is still 105.9MB. 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~nondet100 - 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 [2023-12-02 22:13:54,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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 ceab603d32db6384534ead8759a54f261c19d82d6a3e68fbc5e4f9bd5a6b0aa2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:13:56,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:13:56,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:13:56,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:13:56,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:13:56,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:13:56,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:13:56,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:13:56,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:13:56,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:13:56,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:13:56,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:13:56,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:13:56,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:13:56,826 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:13:56,827 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:13:56,827 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:13:56,828 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:13:56,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:13:56,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:13:56,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:13:56,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:13:56,830 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:13:56,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:13:56,831 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:56,832 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:13:56,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:13:56,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:13:56,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:13:56,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:13:56,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:13:56,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:13:56,835 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:56,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:13:56,835 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:13:56,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:13:56,836 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_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceab603d32db6384534ead8759a54f261c19d82d6a3e68fbc5e4f9bd5a6b0aa2 [2023-12-02 22:13:57,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:13:57,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:13:57,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:13:57,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:13:57,161 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:13:57,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_bad.i [2023-12-02 22:13:59,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:14:00,345 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:14:00,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_13_bad.i [2023-12-02 22:14:00,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data/228751a90/f637c5ef0be34c77b5cf07c28a430077/FLAG6173853ab [2023-12-02 22:14:00,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/data/228751a90/f637c5ef0be34c77b5cf07c28a430077 [2023-12-02 22:14:00,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:14:00,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:14:00,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:00,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:14:00,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:14:00,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:00" (1/1) ... [2023-12-02 22:14:00,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e47d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:00, skipping insertion in model container [2023-12-02 22:14:00,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:00" (1/1) ... [2023-12-02 22:14:00,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:14:01,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:01,291 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:14:01,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:01,504 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:01,505 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:01,505 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:01,505 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:01,512 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:14:01,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01 WrapperNode [2023-12-02 22:14:01,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:01,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:01,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:14:01,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:14:01,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,572 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-12-02 22:14:01,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:01,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:14:01,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:14:01,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:14:01,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:14:01,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:14:01,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:14:01,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:14:01,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:14:01,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:14:01,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:14:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:14:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:14:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:14:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:14:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:14:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:14:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:14:01,810 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:14:01,813 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:14:01,925 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:14:01,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:14:01,973 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:14:01,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:01 BoogieIcfgContainer [2023-12-02 22:14:01,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:14:01,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:14:01,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:14:01,987 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:14:01,987 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:01" (1/1) ... [2023-12-02 22:14:01,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:14:02,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:14:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:14:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:14:02,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:02,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:02,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:02,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:02,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:14:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:02,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:14:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:02,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:14:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:02,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:14:02,401 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:14:02,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 22:14:02,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:14:02 ImpRootNode [2023-12-02 22:14:02,430 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:14:02,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:14:02,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:14:02,431 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:14:02,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:01" (3/4) ... [2023-12-02 22:14:02,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:14:02,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:14:02,436 INFO L158 Benchmark]: Toolchain (without parser) took 2045.87ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 66.3MB in the end (delta: 10.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-12-02 22:14:02,436 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:02,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.15ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 69.6MB in the end (delta: 7.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-12-02 22:14:02,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.46ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 66.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:14:02,438 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:14:02,438 INFO L158 Benchmark]: RCFGBuilder took 365.71ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 48.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:14:02,439 INFO L158 Benchmark]: CodeCheck took 454.44ms. Allocated memory is still 104.9MB. Free memory was 48.7MB in the beginning and 66.3MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:02,439 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 66.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:02,443 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.15ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 69.6MB in the end (delta: 7.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.46ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 66.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.71ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 48.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 454.44ms. Allocated memory is still 104.9MB. Free memory was 48.7MB in the beginning and 66.3MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 66.3MB in the end (delta: 2.6kB). 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~nondet98 - 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 [2023-12-02 22:14:02,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a50e5bc-0edb-45b4-b00d-591ceec41bb9/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