./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi --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 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:50,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:50,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:10:50,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:50,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:51,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:51,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:51,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:51,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:51,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:51,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:51,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:51,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:51,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:51,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:51,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:51,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:51,029 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:51,029 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:51,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:51,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:51,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:51,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:51,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:51,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:51,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:51,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:51,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:51,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:51,035 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:51,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:51,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:51,037 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_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa [2023-11-24 22:10:51,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:51,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:51,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:51,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:51,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:51,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i [2023-11-24 22:10:54,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:54,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:54,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i [2023-11-24 22:10:55,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data/aa89798fa/510f1b9c5e8c4fb998be735590e39d33/FLAG790c5d9d4 [2023-11-24 22:10:55,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data/aa89798fa/510f1b9c5e8c4fb998be735590e39d33 [2023-11-24 22:10:55,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:55,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:55,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:55,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:55,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:55,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:55" (1/1) ... [2023-11-24 22:10:55,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ff5121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:55, skipping insertion in model container [2023-11-24 22:10:55,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:55" (1/1) ... [2023-11-24 22:10:55,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:56,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:56,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:56,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:56,575 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:56,576 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:56,576 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:56,576 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:56,584 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:56,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56 WrapperNode [2023-11-24 22:10:56,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:56,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:56,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:56,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:56,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,678 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 45 [2023-11-24 22:10:56,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:56,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:56,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:56,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:56,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:56,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:56,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:56,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:56,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:56,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:56,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:56,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:10:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:10:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:10:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:56,972 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:56,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:57,067 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:57,114 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:57,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:10:57,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:57 BoogieIcfgContainer [2023-11-24 22:10:57,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:57,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:57,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:57,128 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:57,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:57" (1/1) ... [2023-11-24 22:10:57,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:10:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:10:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:57,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:57,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:57,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:57,558 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:10:57,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:10:57,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:57 ImpRootNode [2023-11-24 22:10:57,594 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:57,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:57,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:57,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:57,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:57" (3/4) ... [2023-11-24 22:10:57,603 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:10:57,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:57,605 INFO L158 Benchmark]: Toolchain (without parser) took 2575.58ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 72.4MB in the end (delta: 47.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 22:10:57,606 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:57,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1554.70ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 106.7MB in the end (delta: 12.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:57,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.06ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:57,609 INFO L158 Benchmark]: Boogie Preprocessor took 65.99ms. Allocated memory is still 153.1MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:57,609 INFO L158 Benchmark]: RCFGBuilder took 369.63ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 88.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:57,610 INFO L158 Benchmark]: CodeCheck took 477.68ms. Allocated memory is still 153.1MB. Free memory was 88.0MB in the beginning and 72.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:57,611 INFO L158 Benchmark]: Witness Printer took 7.44ms. Allocated memory is still 153.1MB. Free memory was 72.4MB in the beginning and 72.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:57,622 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: 1577]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.35ms. Allocated memory is still 125.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1554.70ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 106.7MB in the end (delta: 12.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.06ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.99ms. Allocated memory is still 153.1MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.63ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 88.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 477.68ms. Allocated memory is still 153.1MB. Free memory was 88.0MB in the beginning and 72.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.44ms. Allocated memory is still 153.1MB. Free memory was 72.4MB in the beginning and 72.4MB in the end (delta: 2.7kB). 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: unknown boogie variable #t~nondet99 - 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 [2023-11-24 22:10:57,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi --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 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:00,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:00,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:11:00,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:00,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:00,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:00,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:00,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:00,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:00,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:00,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:00,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:00,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:00,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:00,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:00,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:00,618 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:00,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:00,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:00,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:00,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:00,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:00,622 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:00,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:00,623 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:00,624 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:00,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:00,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:00,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:00,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:00,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:00,628 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:00,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:00,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:00,629 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:00,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:00,629 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_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa [2023-11-24 22:11:01,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:01,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:01,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:01,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:01,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:01,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i [2023-11-24 22:11:04,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:04,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:04,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i [2023-11-24 22:11:04,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data/d859aaa7d/01966a42dc304195927d8b8e8e7a4599/FLAG6ff043c3b [2023-11-24 22:11:04,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/data/d859aaa7d/01966a42dc304195927d8b8e8e7a4599 [2023-11-24 22:11:04,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:04,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:04,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:04,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:04,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:04,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15056a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:04, skipping insertion in model container [2023-11-24 22:11:04,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:04" (1/1) ... [2023-11-24 22:11:04,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:05,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:05,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:06,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:06,283 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:06,284 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:06,284 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:06,284 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:06,291 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:06,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06 WrapperNode [2023-11-24 22:11:06,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:06,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:06,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:06,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:06,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,357 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 45 [2023-11-24 22:11:06,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:06,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:06,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:06,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:06,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:06,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:06,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:06,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:06,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:06,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:06,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:06,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:06,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:11:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:06,726 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:06,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:06,922 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:06,983 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:06,983 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:11:06,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:06 BoogieIcfgContainer [2023-11-24 22:11:06,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:06,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:06,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:06,997 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:06,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:06" (1/1) ... [2023-11-24 22:11:07,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:11:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:11:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:11:07,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:11:07,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:11:07,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:11:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:07,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:07,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:07,393 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:11:07,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:11:07,400 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:11:07,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:07 ImpRootNode [2023-11-24 22:11:07,456 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:07,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:07,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:07,457 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:07,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:06" (3/4) ... [2023-11-24 22:11:07,463 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:07,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:07,465 INFO L158 Benchmark]: Toolchain (without parser) took 2736.66ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 43.2MB in the beginning and 50.0MB in the end (delta: -6.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:07,466 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:07,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1560.57ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 56.4MB in the end (delta: -13.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:07,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.34ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 53.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:07,469 INFO L158 Benchmark]: Boogie Preprocessor took 56.71ms. Allocated memory is still 100.7MB. Free memory was 53.1MB in the beginning and 51.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:07,470 INFO L158 Benchmark]: RCFGBuilder took 557.07ms. Allocated memory is still 100.7MB. Free memory was 51.5MB in the beginning and 64.7MB in the end (delta: -13.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:07,471 INFO L158 Benchmark]: CodeCheck took 470.23ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 50.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:07,472 INFO L158 Benchmark]: Witness Printer took 7.22ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 50.0MB in the end (delta: 564.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:07,478 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: 1577]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.69ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1560.57ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 56.4MB in the end (delta: -13.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.34ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 53.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.71ms. Allocated memory is still 100.7MB. Free memory was 53.1MB in the beginning and 51.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 557.07ms. Allocated memory is still 100.7MB. Free memory was 51.5MB in the beginning and 64.7MB in the end (delta: -13.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * CodeCheck took 470.23ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 50.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.22ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 50.0MB in the end (delta: 564.4kB). 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~nondet97 - 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 [2023-11-24 22:11:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a886931e-2998-47bb-9e41-3dd8b0504186/bin/ukojak-verify-afCqCEvfdi/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