./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:32:39,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:32:39,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:32:39,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:32:39,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:32:39,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:32:39,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:32:39,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:32:39,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:32:39,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:32:39,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:32:39,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:32:39,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:32:39,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:32:39,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:32:39,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:32:39,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:32:39,795 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:32:39,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:32:39,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:32:39,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:32:39,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:32:39,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:32:39,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:32:39,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:32:39,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:32:39,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:32:39,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:32:39,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:32:39,802 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:32:39,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:32:39,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:32:39,804 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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 [2023-12-03 00:32:40,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:32:40,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:32:40,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:32:40,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:32:40,089 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:32:40,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2023-12-03 00:32:43,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:32:43,388 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:32:43,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2023-12-03 00:32:43,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data/372a1309e/20624af8e718478baaafd988c3eea2da/FLAG09a35a61f [2023-12-03 00:32:43,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data/372a1309e/20624af8e718478baaafd988c3eea2da [2023-12-03 00:32:43,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:32:43,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:32:43,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:32:43,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:32:43,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:32:43,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:43" (1/1) ... [2023-12-03 00:32:43,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37022ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:43, skipping insertion in model container [2023-12-03 00:32:43,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:43" (1/1) ... [2023-12-03 00:32:43,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:32:44,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:32:44,379 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:32:44,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:32:44,682 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:44,682 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:44,682 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:44,682 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:44,692 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:32:44,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44 WrapperNode [2023-12-03 00:32:44,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:32:44,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:32:44,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:32:44,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:32:44,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,761 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-12-03 00:32:44,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:32:44,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:32:44,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:32:44,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:32:44,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:32:44,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:32:44,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:32:44,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:32:44,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:44" (1/1) ... [2023-12-03 00:32:44,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:32:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:32:44,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:32:44,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:32:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:32:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:32:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:32:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:32:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:32:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:32:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:32:45,068 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:32:45,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:32:45,281 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:32:45,510 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:32:45,510 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:32:45,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:45 BoogieIcfgContainer [2023-12-03 00:32:45,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:32:45,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:32:45,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:32:45,525 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:32:45,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:45" (1/1) ... [2023-12-03 00:32:45,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:32:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:32:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:32:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:32:45,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:45,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:45,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:32:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:46,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:32:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:46,113 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:32:46,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 00:32:46,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-12-03 00:32:46,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-12-03 00:32:46,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:32:46 ImpRootNode [2023-12-03 00:32:46,145 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:32:46,146 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:32:46,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:32:46,146 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:32:46,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:45" (3/4) ... [2023-12-03 00:32:46,149 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:32:46,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:32:46,152 INFO L158 Benchmark]: Toolchain (without parser) took 2711.68ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 98.3MB in the beginning and 112.9MB in the end (delta: -14.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-03 00:32:46,152 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:46,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1251.57ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 98.3MB in the beginning and 132.6MB in the end (delta: -34.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-12-03 00:32:46,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.27ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 128.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:32:46,154 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 127.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:32:46,155 INFO L158 Benchmark]: RCFGBuilder took 720.78ms. Allocated memory is still 182.5MB. Free memory was 127.4MB in the beginning and 86.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 00:32:46,156 INFO L158 Benchmark]: CodeCheck took 631.64ms. Allocated memory is still 182.5MB. Free memory was 85.4MB in the beginning and 112.9MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:46,156 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 182.5MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:46,160 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: 0.6s, 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: 1561]: 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 1569, overapproximation of bitwiseOr at line 1556. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.27ms. Allocated memory is still 140.5MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1251.57ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 98.3MB in the beginning and 132.6MB in the end (delta: -34.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.27ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 128.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 127.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 720.78ms. Allocated memory is still 182.5MB. Free memory was 127.4MB in the beginning and 86.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 631.64ms. Allocated memory is still 182.5MB. Free memory was 85.4MB in the beginning and 112.9MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 182.5MB. Free memory is still 112.9MB. 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~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 00:32:46,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:32:48,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:32:48,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:32:48,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:32:48,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:32:48,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:32:48,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:32:48,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:32:48,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:32:48,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:32:48,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:32:48,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:32:48,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:32:48,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:32:48,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:32:48,553 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:32:48,554 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:32:48,554 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:32:48,555 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:32:48,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:32:48,556 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:32:48,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:32:48,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:32:48,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:32:48,559 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:48,559 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:32:48,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:32:48,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:32:48,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:32:48,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:32:48,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:32:48,563 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:32:48,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:48,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:32:48,564 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:32:48,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:32:48,564 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_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 [2023-12-03 00:32:48,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:32:48,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:32:48,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:32:48,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:32:48,936 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:32:48,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2023-12-03 00:32:51,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:32:52,242 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:32:52,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2023-12-03 00:32:52,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data/946c1527c/da410de5d6a3459795beeff5c719a140/FLAG95e2989f4 [2023-12-03 00:32:52,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/data/946c1527c/da410de5d6a3459795beeff5c719a140 [2023-12-03 00:32:52,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:32:52,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:32:52,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:32:52,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:32:52,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:32:52,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:52" (1/1) ... [2023-12-03 00:32:52,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aff9ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:52, skipping insertion in model container [2023-12-03 00:32:52,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:52" (1/1) ... [2023-12-03 00:32:52,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:32:53,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:32:53,345 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:32:53,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:32:53,631 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:53,631 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:53,631 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:53,631 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:32:53,640 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:32:53,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53 WrapperNode [2023-12-03 00:32:53,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:32:53,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:32:53,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:32:53,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:32:53,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,726 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-12-03 00:32:53,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:32:53,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:32:53,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:32:53,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:32:53,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:32:53,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:32:53,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:32:53,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:32:53,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:53" (1/1) ... [2023-12-03 00:32:53,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:32:53,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:32:53,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:32:53,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:32:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:32:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:32:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:32:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:32:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:32:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:32:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:32:54,026 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:32:54,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:32:54,169 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:32:54,253 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:32:54,254 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:32:54,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:54 BoogieIcfgContainer [2023-12-03 00:32:54,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:32:54,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:32:54,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:32:54,266 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:32:54,267 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:54" (1/1) ... [2023-12-03 00:32:54,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:32:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:32:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:32:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:32:54,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:54,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:54,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:54,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:54,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:32:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:54,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:32:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:54,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:32:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:32:54,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:32:54,761 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:32:54,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 00:32:54,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-12-03 00:32:54,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-12-03 00:32:54,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:32:54 ImpRootNode [2023-12-03 00:32:54,792 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:32:54,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:32:54,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:32:54,794 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:32:54,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:54" (3/4) ... [2023-12-03 00:32:54,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:32:54,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:32:54,798 INFO L158 Benchmark]: Toolchain (without parser) took 2505.21ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 68.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-12-03 00:32:54,799 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:54,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.68ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 38.1MB in the end (delta: 35.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-12-03 00:32:54,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.77ms. Allocated memory is still 100.7MB. Free memory was 38.1MB in the beginning and 72.6MB in the end (delta: -34.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:32:54,801 INFO L158 Benchmark]: Boogie Preprocessor took 42.90ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:32:54,801 INFO L158 Benchmark]: RCFGBuilder took 484.71ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 51.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:32:54,802 INFO L158 Benchmark]: CodeCheck took 535.63ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 69.5MB in the end (delta: -18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:32:54,803 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 68.9MB in the end (delta: 619.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:54,807 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: 0.5s, 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, 0.0s 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: 1561]: 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 1569. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.26ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.68ms. Allocated memory is still 100.7MB. Free memory was 73.7MB in the beginning and 38.1MB in the end (delta: 35.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.77ms. Allocated memory is still 100.7MB. Free memory was 38.1MB in the beginning and 72.6MB in the end (delta: -34.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.90ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.71ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 51.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 535.63ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 69.5MB in the end (delta: -18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 68.9MB in the end (delta: 619.2kB). 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~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 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 00:32:54,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6e2bf8-8519-4225-9366-84f6e28bf3ed/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