./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:51:39,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:51:39,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:51:39,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:51:39,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:51:39,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:51:39,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:51:39,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:51:39,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:51:39,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:51:39,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:51:39,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:51:39,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:51:39,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:51:39,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:51:39,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:51:39,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:51:39,321 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:51:39,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:51:39,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:51:39,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:51:39,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:51:39,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:51:39,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:51:39,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:51:39,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:51:39,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:51:39,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:51:39,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:51:39,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:51:39,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:51:39,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:51:39,327 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_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2023-12-03 01:51:39,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:51:39,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:51:39,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:51:39,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:51:39,595 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:51:39,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2023-12-03 01:51:42,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:51:42,609 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:51:42,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2023-12-03 01:51:42,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data/c3269349b/aaca83f1b09342d4a5f961b5f107357e/FLAG255c25307 [2023-12-03 01:51:42,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data/c3269349b/aaca83f1b09342d4a5f961b5f107357e [2023-12-03 01:51:42,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:51:42,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:51:42,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:51:42,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:51:42,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:51:42,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:51:42" (1/1) ... [2023-12-03 01:51:42,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df22616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:42, skipping insertion in model container [2023-12-03 01:51:42,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:51:42" (1/1) ... [2023-12-03 01:51:42,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:51:43,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:51:43,416 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:51:43,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:51:43,635 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:43,636 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:43,636 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:43,636 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:43,644 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:51:43,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43 WrapperNode [2023-12-03 01:51:43,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:51:43,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:51:43,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:51:43,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:51:43,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,704 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2023-12-03 01:51:43,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:51:43,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:51:43,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:51:43,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:51:43,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:51:43,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:51:43,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:51:43,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:51:43,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:43" (1/1) ... [2023-12-03 01:51:43,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:51:43,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:51:43,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:51:43,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:51:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:51:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:51:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:51:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:51:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:51:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:51:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:51:43,926 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:51:43,928 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:51:44,107 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:51:44,269 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:51:44,270 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:51:44,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:44 BoogieIcfgContainer [2023-12-03 01:51:44,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:51:44,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:51:44,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:51:44,279 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:51:44,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:44" (1/1) ... [2023-12-03 01:51:44,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:51:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 01:51:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 01:51:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:51:44,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:44,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:51:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:44,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:51:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:44,837 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:51:44,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-12-03 01:51:44,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-03 01:51:44,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:51:44 ImpRootNode [2023-12-03 01:51:44,868 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:51:44,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:51:44,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:51:44,869 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:51:44,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:44" (3/4) ... [2023-12-03 01:51:44,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:51:44,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:51:44,874 INFO L158 Benchmark]: Toolchain (without parser) took 2224.87ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 119.9MB in the beginning and 131.3MB in the end (delta: -11.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-12-03 01:51:44,874 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:51:44,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.13ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 107.8MB in the end (delta: 12.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-03 01:51:44,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.20ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 104.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:51:44,876 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 103.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:51:44,877 INFO L158 Benchmark]: RCFGBuilder took 535.92ms. Allocated memory is still 155.2MB. Free memory was 102.6MB in the beginning and 66.0MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 01:51:44,878 INFO L158 Benchmark]: CodeCheck took 596.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 66.0MB in the beginning and 132.3MB in the end (delta: -66.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:51:44,878 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 186.6MB. Free memory was 132.3MB in the beginning and 131.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:51:44,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1571, overapproximation of bitwiseOr at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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 0.20ms. Allocated memory is still 119.5MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.13ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 107.8MB in the end (delta: 12.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.20ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 104.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 103.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 535.92ms. Allocated memory is still 155.2MB. Free memory was 102.6MB in the beginning and 66.0MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 596.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 66.0MB in the beginning and 132.3MB in the end (delta: -66.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 186.6MB. Free memory was 132.3MB in the beginning and 131.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - 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 01:51:44,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:51:46,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:51:46,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:51:47,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:51:47,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:51:47,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:51:47,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:51:47,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:51:47,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:51:47,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:51:47,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:51:47,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:51:47,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:51:47,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:51:47,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:51:47,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:51:47,023 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:51:47,023 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:51:47,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:51:47,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:51:47,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:51:47,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:51:47,026 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:51:47,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:51:47,027 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:47,027 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:51:47,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:51:47,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:51:47,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:51:47,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:51:47,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:51:47,030 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:51:47,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:47,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:51:47,031 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:51:47,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:51:47,031 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_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2023-12-03 01:51:47,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:51:47,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:51:47,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:51:47,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:51:47,336 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:51:47,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2023-12-03 01:51:50,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:51:50,408 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:51:50,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2023-12-03 01:51:50,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data/d3a377dee/8f6cd63141e147cb91b02c6895a2586c/FLAG0c2f1613d [2023-12-03 01:51:50,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/data/d3a377dee/8f6cd63141e147cb91b02c6895a2586c [2023-12-03 01:51:50,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:51:50,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:51:50,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:51:50,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:51:50,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:51:50,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:51:50" (1/1) ... [2023-12-03 01:51:50,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2170e2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:50, skipping insertion in model container [2023-12-03 01:51:50,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:51:50" (1/1) ... [2023-12-03 01:51:50,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:51:51,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:51:51,323 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:51:51,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:51:51,499 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:51,499 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:51,500 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:51,500 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:51:51,507 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:51:51,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51 WrapperNode [2023-12-03 01:51:51,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:51:51,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:51:51,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:51:51,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:51:51,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,569 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-12-03 01:51:51,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:51:51,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:51:51,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:51:51,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:51:51,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:51:51,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:51:51,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:51:51,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:51:51,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:51:51" (1/1) ... [2023-12-03 01:51:51,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:51:51,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:51:51,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:51:51,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:51:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:51:51,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:51:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:51:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:51:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:51:51,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:51:51,685 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:51:51,851 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:51:51,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:51:51,974 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:51:52,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:51:52,039 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:51:52,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:52 BoogieIcfgContainer [2023-12-03 01:51:52,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:51:52,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:51:52,041 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:51:52,051 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:51:52,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:52" (1/1) ... [2023-12-03 01:51:52,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:51:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 01:51:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 01:51:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:51:52,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:52,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:52,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:52,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:52,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:51:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:52,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:51:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:52,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:51:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:51:52,507 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:51:52,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:51:52,514 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:51:52,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-03 01:51:52,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-03 01:51:52,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:51:52 ImpRootNode [2023-12-03 01:51:52,543 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:51:52,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:51:52,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:51:52,544 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:51:52,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:51:52" (3/4) ... [2023-12-03 01:51:52,547 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:51:52,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:51:52,549 INFO L158 Benchmark]: Toolchain (without parser) took 2102.42ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 53.9MB in the end (delta: 32.4MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-12-03 01:51:52,550 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:51:52,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.92ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 49.3MB in the end (delta: 36.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-12-03 01:51:52,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.18ms. Allocated memory is still 113.2MB. Free memory was 49.3MB in the beginning and 46.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:51:52,552 INFO L158 Benchmark]: Boogie Preprocessor took 39.14ms. Allocated memory is still 113.2MB. Free memory was 46.4MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:51:52,552 INFO L158 Benchmark]: RCFGBuilder took 430.49ms. Allocated memory is still 113.2MB. Free memory was 44.3MB in the beginning and 70.7MB in the end (delta: -26.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-12-03 01:51:52,553 INFO L158 Benchmark]: CodeCheck took 502.04ms. Allocated memory is still 113.2MB. Free memory was 70.7MB in the beginning and 54.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:51:52,553 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 113.2MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:51:52,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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 0.19ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.92ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 49.3MB in the end (delta: 36.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.18ms. Allocated memory is still 113.2MB. Free memory was 49.3MB in the beginning and 46.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.14ms. Allocated memory is still 113.2MB. Free memory was 46.4MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.49ms. Allocated memory is still 113.2MB. Free memory was 44.3MB in the beginning and 70.7MB in the end (delta: -26.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * CodeCheck took 502.04ms. Allocated memory is still 113.2MB. Free memory was 70.7MB in the beginning and 54.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 113.2MB. Free memory is still 53.9MB. 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - 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 01:51:52,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c73aea0-74ca-4f86-96e5-b30a9e6a2ac0/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