./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:39:57,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:39:57,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:39:57,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:39:57,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:39:57,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:39:57,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:39:57,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:39:57,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:39:57,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:39:57,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:39:57,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:39:57,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:39:57,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:39:57,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:39:57,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:39:57,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:39:57,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:39:57,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:39:57,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:39:57,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:39:57,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:39:57,689 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:39:57,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:39:57,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:39:57,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:39:57,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:39:57,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:39:57,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:39:57,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:39:57,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:39:57,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:39:57,693 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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b [2023-12-03 03:39:57,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:39:57,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:39:57,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:39:57,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:39:57,942 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:39:57,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-12-03 03:40:00,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:40:01,077 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:40:01,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-12-03 03:40:01,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data/05c5b12bf/21d1dd8eeaff478ca1e7d236db9bc439/FLAG5bfedf571 [2023-12-03 03:40:01,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data/05c5b12bf/21d1dd8eeaff478ca1e7d236db9bc439 [2023-12-03 03:40:01,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:40:01,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:40:01,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:40:01,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:40:01,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:40:01,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:40:01" (1/1) ... [2023-12-03 03:40:01,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295c69a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:01, skipping insertion in model container [2023-12-03 03:40:01,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:40:01" (1/1) ... [2023-12-03 03:40:01,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:40:01,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:40:01,924 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:40:02,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:40:02,195 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:02,195 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:02,195 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:02,195 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:02,204 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:40:02,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02 WrapperNode [2023-12-03 03:40:02,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:40:02,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:40:02,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:40:02,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:40:02,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,271 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2023-12-03 03:40:02,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:40:02,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:40:02,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:40:02,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:40:02,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:40:02,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:40:02,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:40:02,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:40:02,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:40:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:40:02,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:40:02,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:40:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:40:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:40:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:40:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:40:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:40:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:40:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:40:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:40:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:40:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:40:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:40:02,532 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:40:02,534 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:40:02,641 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:40:02,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:40:02,685 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:40:02,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:40:02 BoogieIcfgContainer [2023-12-03 03:40:02,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:40:02,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:40:02,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:40:02,699 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:40:02,700 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:40:02" (1/1) ... [2023-12-03 03:40:02,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:40:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:40:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:40:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:40:02,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:02,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:40:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:02,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:40:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:03,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:40:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:03,125 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:40:03,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 03:40:03,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:40:03 ImpRootNode [2023-12-03 03:40:03,154 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:40:03,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:40:03,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:40:03,156 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:40:03,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:40:02" (3/4) ... [2023-12-03 03:40:03,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:40:03,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:40:03,161 INFO L158 Benchmark]: Toolchain (without parser) took 2038.44ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 84.9MB in the beginning and 122.8MB in the end (delta: -37.8MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-12-03 03:40:03,162 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:03,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.15ms. Allocated memory is still 132.1MB. Free memory was 84.7MB in the beginning and 72.7MB in the end (delta: 12.0MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-12-03 03:40:03,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 132.1MB. Free memory was 72.7MB in the beginning and 70.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:40:03,164 INFO L158 Benchmark]: Boogie Preprocessor took 32.54ms. Allocated memory is still 132.1MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:03,165 INFO L158 Benchmark]: RCFGBuilder took 381.40ms. Allocated memory is still 132.1MB. Free memory was 68.5MB in the beginning and 54.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:40:03,166 INFO L158 Benchmark]: CodeCheck took 466.46ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 54.2MB in the beginning and 122.8MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:03,166 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 169.9MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:03,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={37:38}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] EXPR \read(data) [L1564] CWE191_Integer_Underflow__int_fscanf_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.15ms. Allocated memory is still 132.1MB. Free memory was 84.7MB in the beginning and 72.7MB in the end (delta: 12.0MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 132.1MB. Free memory was 72.7MB in the beginning and 70.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.54ms. Allocated memory is still 132.1MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.40ms. Allocated memory is still 132.1MB. Free memory was 68.5MB in the beginning and 54.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 466.46ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 54.2MB in the beginning and 122.8MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 169.9MB. Free memory is still 122.8MB. 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~nondet102 - 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 03:40:03,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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 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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:40:05,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:40:05,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:40:05,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:40:05,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:40:05,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:40:05,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:40:05,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:40:05,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:40:05,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:40:05,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:40:05,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:40:05,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:40:05,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:40:05,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:40:05,338 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:40:05,339 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:40:05,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:40:05,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:40:05,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:40:05,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:40:05,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:40:05,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:40:05,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:40:05,343 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:05,344 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:40:05,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:40:05,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:40:05,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:40:05,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:40:05,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:40:05,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:40:05,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:05,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:40:05,347 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:40:05,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:40:05,348 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_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4671864cdd98fade30eb9ce8efc5288fd25e2d9744d3481098bbdc1c4984e73b [2023-12-03 03:40:05,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:40:05,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:40:05,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:40:05,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:40:05,659 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:40:05,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-12-03 03:40:08,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:40:08,713 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:40:08,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_bad.i [2023-12-03 03:40:08,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data/0fcef5ff1/748f3d4e2ef245dcb760c879f9acf0ea/FLAGd2bb4f2c1 [2023-12-03 03:40:08,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/data/0fcef5ff1/748f3d4e2ef245dcb760c879f9acf0ea [2023-12-03 03:40:08,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:40:08,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:40:08,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:40:08,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:40:08,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:40:08,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:40:08" (1/1) ... [2023-12-03 03:40:08,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e488957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:08, skipping insertion in model container [2023-12-03 03:40:08,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:40:08" (1/1) ... [2023-12-03 03:40:08,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:40:09,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:40:09,678 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:40:09,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:40:09,944 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:09,945 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:09,945 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:09,945 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:40:09,953 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:40:09,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09 WrapperNode [2023-12-03 03:40:09,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:40:09,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:40:09,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:40:09,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:40:09,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:09,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,013 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2023-12-03 03:40:10,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:40:10,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:40:10,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:40:10,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:40:10,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:40:10,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:40:10,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:40:10,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:40:10,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:40:09" (1/1) ... [2023-12-03 03:40:10,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:40:10,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:40:10,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:40:10,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:40:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:40:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:40:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:40:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:40:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:40:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:40:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:40:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:40:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:40:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:40:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:40:10,283 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:40:10,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:40:10,428 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:40:10,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:40:10,475 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:40:10,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:40:10 BoogieIcfgContainer [2023-12-03 03:40:10,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:40:10,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:40:10,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:40:10,487 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:40:10,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:40:10" (1/1) ... [2023-12-03 03:40:10,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:40:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:40:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:40:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:40:10,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:10,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:10,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:40:10,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:40:10,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:40:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:10,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:40:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:10,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:40:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:40:10,989 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:40:10,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:40:10,997 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:40:11,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 03:40:11,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:40:11 ImpRootNode [2023-12-03 03:40:11,026 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:40:11,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:40:11,027 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:40:11,027 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:40:11,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:40:10" (3/4) ... [2023-12-03 03:40:11,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:40:11,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:40:11,032 INFO L158 Benchmark]: Toolchain (without parser) took 2269.99ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 86.7MB in the end (delta: 16.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-03 03:40:11,032 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:11,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1190.92ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 72.2MB in the end (delta: 30.5MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-12-03 03:40:11,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.34ms. Allocated memory is still 130.0MB. Free memory was 72.2MB in the beginning and 69.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:40:11,034 INFO L158 Benchmark]: Boogie Preprocessor took 37.16ms. Allocated memory is still 130.0MB. Free memory was 69.4MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:40:11,035 INFO L158 Benchmark]: RCFGBuilder took 424.00ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 50.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:40:11,036 INFO L158 Benchmark]: CodeCheck took 548.57ms. Allocated memory is still 130.0MB. Free memory was 50.7MB in the beginning and 86.7MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:11,036 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:40:11,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fscanf_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] EXPR \read(data) [L1564] CWE191_Integer_Underflow__int_fscanf_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fscanf_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1190.92ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 72.2MB in the end (delta: 30.5MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.34ms. Allocated memory is still 130.0MB. Free memory was 72.2MB in the beginning and 69.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.16ms. Allocated memory is still 130.0MB. Free memory was 69.4MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.00ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 50.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 548.57ms. Allocated memory is still 130.0MB. Free memory was 50.7MB in the beginning and 86.7MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 86.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:40:11,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa470bac-a06d-4075-81ca-cbbf67e6eff0/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