./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL --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 2114354133268dfafe9d28136595d928edb01ed818db8ce52e2a575acd455d7a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:59,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:59,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:20:59,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:59,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:59,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:59,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:59,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:59,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:59,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:59,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:59,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:59,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:59,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:59,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:59,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:59,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:59,815 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:20:59,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:59,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:59,817 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:59,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:59,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:59,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:59,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:59,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:59,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:59,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:59,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:59,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:59,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:59,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:59,824 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_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2114354133268dfafe9d28136595d928edb01ed818db8ce52e2a575acd455d7a [2023-11-19 03:21:00,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:00,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:00,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:00,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:00,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:00,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i [2023-11-19 03:21:03,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:03,825 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:03,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i [2023-11-19 03:21:03,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data/914ba0a14/cb60a3995969420bbf306d652c07bc92/FLAG62e8f2644 [2023-11-19 03:21:03,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data/914ba0a14/cb60a3995969420bbf306d652c07bc92 [2023-11-19 03:21:03,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:03,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:03,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:03,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:03,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:03,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:03" (1/1) ... [2023-11-19 03:21:03,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2358a64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:03, skipping insertion in model container [2023-11-19 03:21:03,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:03" (1/1) ... [2023-11-19 03:21:03,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:04,413 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:21:05,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:05,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:05,159 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:21:05,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:05,408 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:05,409 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:05,409 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:05,409 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:05,409 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:05,409 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:05,418 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:05,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05 WrapperNode [2023-11-19 03:21:05,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:05,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:05,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:05,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:05,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,506 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-19 03:21:05,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:05,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:05,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:05,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:05,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:05,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:05,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:05,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:05,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:05,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:05,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:05,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:05,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:21:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:21:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:21:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:05,796 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:05,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:05,934 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:05,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:05,987 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:21:05,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:05 BoogieIcfgContainer [2023-11-19 03:21:05,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:05,997 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:05,997 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:06,007 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:06,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:05" (1/1) ... [2023-11-19 03:21:06,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:21:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:21:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:21:06,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:06,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:06,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:06,472 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:21:06,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-19 03:21:06,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:21:06 ImpRootNode [2023-11-19 03:21:06,518 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:21:06,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:21:06,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:21:06,521 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:21:06,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:05" (3/4) ... [2023-11-19 03:21:06,526 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:21:06,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:21:06,528 INFO L158 Benchmark]: Toolchain (without parser) took 2642.42ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 79.9MB in the end (delta: 31.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,529 INFO L158 Benchmark]: CDTParser took 14.61ms. Allocated memory is still 102.8MB. Free memory was 50.2MB in the beginning and 71.9MB in the end (delta: -21.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.63ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 118.8MB in the end (delta: -7.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.69ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 115.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,532 INFO L158 Benchmark]: Boogie Preprocessor took 31.12ms. Allocated memory is still 153.1MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:06,533 INFO L158 Benchmark]: RCFGBuilder took 456.81ms. Allocated memory is still 153.1MB. Free memory was 114.2MB in the beginning and 98.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,534 INFO L158 Benchmark]: CodeCheck took 521.34ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 80.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,534 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 153.1MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 778.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:06,547 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1549] int CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=28, argc=28, argv={29:27}, argv={29:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] CWE191_Integer_Underflow__int_fgets_postdec_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_postdec_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_postdec_68_badData; [L1585] data-- VAL [CWE191_Integer_Underflow__int_fgets_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 14.61ms. Allocated memory is still 102.8MB. Free memory was 50.2MB in the beginning and 71.9MB in the end (delta: -21.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.63ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 118.8MB in the end (delta: -7.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.69ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 115.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.12ms. Allocated memory is still 153.1MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.81ms. Allocated memory is still 153.1MB. Free memory was 114.2MB in the beginning and 98.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 521.34ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 80.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 153.1MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 778.3kB). 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: IdentifierExpression #t~post101 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 [2023-11-19 03:21:06,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/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_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL --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 2114354133268dfafe9d28136595d928edb01ed818db8ce52e2a575acd455d7a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:09,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:09,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:21:09,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:09,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:09,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:09,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:09,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:09,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:09,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:09,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:09,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:09,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:09,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:09,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:21:09,361 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:21:09,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:09,361 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:21:09,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:09,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:09,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:09,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:09,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:09,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:09,365 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:09,365 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:09,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:09,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:09,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:09,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:09,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:09,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:21:09,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:09,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:09,370 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:21:09,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:09,370 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_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2114354133268dfafe9d28136595d928edb01ed818db8ce52e2a575acd455d7a [2023-11-19 03:21:09,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:09,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:09,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:09,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:09,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:09,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i [2023-11-19 03:21:12,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:13,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:13,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_bad.i [2023-11-19 03:21:13,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data/97250dbed/11882bdf6d0c45d88d15e7db6b998216/FLAGb51e1d5e4 [2023-11-19 03:21:13,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/data/97250dbed/11882bdf6d0c45d88d15e7db6b998216 [2023-11-19 03:21:13,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:13,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:13,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:13,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:13,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:13,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:13" (1/1) ... [2023-11-19 03:21:13,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d4fc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:13, skipping insertion in model container [2023-11-19 03:21:13,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:13" (1/1) ... [2023-11-19 03:21:13,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:14,069 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:21:14,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:14,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:14,744 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:21:14,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:15,026 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:15,026 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:15,027 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:15,027 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:15,028 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:15,028 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:15,036 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:15,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15 WrapperNode [2023-11-19 03:21:15,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:15,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:15,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:15,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:15,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,131 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-19 03:21:15,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:15,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:15,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:15,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:15,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:15,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:15,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:15,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:15,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:15,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:15,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:21:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:21:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:21:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:21:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:21:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:21:15,494 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:15,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:15,726 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:15,820 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:15,820 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:21:15,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:15 BoogieIcfgContainer [2023-11-19 03:21:15,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:15,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:15,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:15,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:15,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:21:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:21:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:21:15,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:15,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:15,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:21:15,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:21:15,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:21:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:16,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:16,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:21:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:21:16,511 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:21:16,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:21:16,523 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:21:16,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-11-19 03:21:16,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:21:16 ImpRootNode [2023-11-19 03:21:16,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:21:16,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:21:16,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:21:16,568 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:21:16,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:15" (3/4) ... [2023-11-19 03:21:16,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:21:16,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:21:16,572 INFO L158 Benchmark]: Toolchain (without parser) took 3056.35ms. Allocated memory is still 98.6MB. Free memory was 71.0MB in the beginning and 58.7MB in the end (delta: 12.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 03:21:16,573 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:16,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.87ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-19 03:21:16,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.15ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 64.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:16,576 INFO L158 Benchmark]: Boogie Preprocessor took 72.79ms. Allocated memory is still 98.6MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:16,577 INFO L158 Benchmark]: RCFGBuilder took 618.85ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 44.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:21:16,577 INFO L158 Benchmark]: CodeCheck took 738.88ms. Allocated memory is still 98.6MB. Free memory was 44.0MB in the beginning and 59.3MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:16,578 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 58.7MB in the end (delta: 592.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:16,590 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 8 NumberOfCodeBlocks, 8 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1549] int CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] CWE191_Integer_Underflow__int_fgets_postdec_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_postdec_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_postdec_68_badData; [L1585] data-- VAL [CWE191_Integer_Underflow__int_fgets_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.87ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.15ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 64.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.79ms. Allocated memory is still 98.6MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.85ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 44.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 738.88ms. Allocated memory is still 98.6MB. Free memory was 44.0MB in the beginning and 59.3MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 58.7MB in the end (delta: 592.7kB). 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: IdentifierExpression #t~post99 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 [2023-11-19 03:21:16,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5a7939-bc80-4db9-ac76-f7f9f44a9f4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample