./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_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_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/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_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/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_66391928-3729-40c3-89e7-7694d1d9ea7c/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 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:26:53,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:26:53,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:26:53,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:26:53,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:26:53,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:26:53,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:26:53,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:26:53,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:26:53,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:26:53,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:26:53,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:26:53,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:26:53,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:26:53,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:26:53,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:26:53,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:26:53,343 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:26:53,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:26:53,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:26:53,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:26:53,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:26:53,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:26:53,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:26:53,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:26:53,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:26:53,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:26:53,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:26:53,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:26:53,349 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:26:53,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:26:53,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:26:53,350 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_66391928-3729-40c3-89e7-7694d1d9ea7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 [2023-12-03 03:26:53,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:26:53,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:26:53,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:26:53,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:26:53,582 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:26:53,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2023-12-03 03:26:56,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:26:56,595 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:26:56,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2023-12-03 03:26:56,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data/0807e2269/a8c1f590454240729092431108f24c3c/FLAG3d50e8f1d [2023-12-03 03:26:56,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data/0807e2269/a8c1f590454240729092431108f24c3c [2023-12-03 03:26:56,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:26:56,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:26:56,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:26:56,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:26:56,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:26:56,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:26:56" (1/1) ... [2023-12-03 03:26:56,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545ba576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:56, skipping insertion in model container [2023-12-03 03:26:56,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:26:56" (1/1) ... [2023-12-03 03:26:56,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:26:57,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:26:57,381 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:26:57,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:26:57,607 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:57,607 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:57,607 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:57,607 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:26:57,615 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:26:57,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57 WrapperNode [2023-12-03 03:26:57,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:26:57,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:26:57,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:26:57,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:26:57,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,675 INFO L138 Inliner]: procedures = 498, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2023-12-03 03:26:57,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:26:57,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:26:57,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:26:57,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:26:57,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:26:57,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:26:57,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:26:57,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:26:57,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:26:57" (1/1) ... [2023-12-03 03:26:57,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:26:57,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:26:57,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:26:57,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:26:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:26:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:26:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:26:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:26:57,910 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:26:57,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:26:58,095 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:26:58,288 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:26:58,289 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:26:58,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:58 BoogieIcfgContainer [2023-12-03 03:26:58,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:26:58,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:26:58,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:26:58,301 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:26:58,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:58" (1/1) ... [2023-12-03 03:26:58,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:26:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:26:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:26:58,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:26:58,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:26:58,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:26:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:26:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:26:58,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:26:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:26:58,903 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:26:58,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet113 [2023-12-03 03:26:58,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:26:58 ImpRootNode [2023-12-03 03:26:58,929 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:26:58,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:26:58,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:26:58,931 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:26:58,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:58" (3/4) ... [2023-12-03 03:26:58,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:26:58,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:26:58,935 INFO L158 Benchmark]: Toolchain (without parser) took 2297.36ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 93.9MB in the beginning and 77.9MB in the end (delta: 16.1MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,935 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:26:58,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.23ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 77.3MB in the end (delta: 16.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.02ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 74.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,937 INFO L158 Benchmark]: Boogie Preprocessor took 30.52ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 72.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,938 INFO L158 Benchmark]: RCFGBuilder took 583.44ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 72.2MB in the beginning and 126.1MB in the end (delta: -53.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,938 INFO L158 Benchmark]: CodeCheck took 638.29ms. Allocated memory is still 178.3MB. Free memory was 126.1MB in the beginning and 78.8MB in the end (delta: 47.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,939 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 178.3MB. Free memory was 78.8MB in the beginning and 77.9MB in the end (delta: 980.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:26:58,942 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: 1563]: 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 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={16:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [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] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={27544:0}, dataPtr1={27544:0}, dataPtr2={27544:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={27544:0}, dataPtr1={27544:0}, dataPtr2={27544:0}, 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 0.16ms. Allocated memory is still 136.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.23ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 77.3MB in the end (delta: 16.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.02ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 74.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.52ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 72.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.44ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 72.2MB in the beginning and 126.1MB in the end (delta: -53.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * CodeCheck took 638.29ms. Allocated memory is still 178.3MB. Free memory was 126.1MB in the beginning and 78.8MB in the end (delta: 47.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 178.3MB. Free memory was 78.8MB in the beginning and 77.9MB in the end (delta: 980.2kB). 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~nondet113 - 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 03:26:58,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/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_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/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_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/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_66391928-3729-40c3-89e7-7694d1d9ea7c/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 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:27:00,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:27:00,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:27:00,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:27:00,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:27:00,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:27:00,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:27:00,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:27:00,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:27:00,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:27:00,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:27:00,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:27:00,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:27:00,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:27:01,000 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:27:01,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:27:01,001 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:27:01,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:27:01,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:27:01,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:27:01,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:27:01,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:27:01,004 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:27:01,004 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:27:01,005 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:01,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:27:01,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:27:01,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:27:01,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:27:01,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:27:01,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:27:01,007 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:27:01,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:01,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:27:01,008 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:27:01,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:27:01,009 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_66391928-3729-40c3-89e7-7694d1d9ea7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 [2023-12-03 03:27:01,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:27:01,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:27:01,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:27:01,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:27:01,314 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:27:01,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2023-12-03 03:27:04,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:27:04,374 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:27:04,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2023-12-03 03:27:04,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data/0d80591d0/9a575fa742d54583aa7ee657c989881c/FLAG9c9c21746 [2023-12-03 03:27:04,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/data/0d80591d0/9a575fa742d54583aa7ee657c989881c [2023-12-03 03:27:04,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:27:04,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:27:04,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:27:04,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:27:04,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:27:04,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:04" (1/1) ... [2023-12-03 03:27:04,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345b19f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:04, skipping insertion in model container [2023-12-03 03:27:04,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:04" (1/1) ... [2023-12-03 03:27:04,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:27:05,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:05,245 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:27:05,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:05,482 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:27:05,482 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:27:05,482 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:27:05,483 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:27:05,490 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:27:05,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05 WrapperNode [2023-12-03 03:27:05,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:27:05,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:27:05,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:27:05,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:27:05,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,552 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-12-03 03:27:05,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:27:05,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:27:05,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:27:05,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:27:05,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:27:05,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:27:05,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:27:05,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:27:05,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:05" (1/1) ... [2023-12-03 03:27:05,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:27:05,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:27:05,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:27:05,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:27:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:27:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:27:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:27:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:27:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:27:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:27:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:27:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:27:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:27:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:27:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:27:05,804 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:27:05,807 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:27:05,946 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:27:06,017 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:27:06,018 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:27:06,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:06 BoogieIcfgContainer [2023-12-03 03:27:06,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:27:06,020 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:27:06,020 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:27:06,030 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:27:06,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:06" (1/1) ... [2023-12-03 03:27:06,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:27:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:27:06,093 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:27:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:27:06,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:06,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:06,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:06,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:06,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:27:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:27:06,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:27:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:27:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:27:06,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:27:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:27:06,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:06,662 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:27:06,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet107 [2023-12-03 03:27:06,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:27:06 ImpRootNode [2023-12-03 03:27:06,687 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:27:06,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:27:06,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:27:06,688 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:27:06,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:27:06" (3/4) ... [2023-12-03 03:27:06,691 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:27:06,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:27:06,693 INFO L158 Benchmark]: Toolchain (without parser) took 2273.63ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 62.8MB in the beginning and 67.2MB in the end (delta: -4.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,693 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:27:06,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1070.39ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 62.5MB in the beginning and 77.2MB in the end (delta: -14.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.00ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,695 INFO L158 Benchmark]: Boogie Preprocessor took 38.68ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,696 INFO L158 Benchmark]: RCFGBuilder took 426.58ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 88.1MB in the end (delta: -16.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,697 INFO L158 Benchmark]: CodeCheck took 667.05ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 67.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:27:06,697 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:27:06,700 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, 0.1s 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: 1563]: 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [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] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1070.39ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 62.5MB in the beginning and 77.2MB in the end (delta: -14.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.00ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.68ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.58ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 88.1MB in the end (delta: -16.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * CodeCheck took 667.05ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 67.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory is still 67.2MB. 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~nondet107 - 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 03:27:06,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66391928-3729-40c3-89e7-7694d1d9ea7c/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