./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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 263a05b0c160070c8e4ad1ad3ddf41447b84f451254e42f1064b5803393fc044 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:10:57,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:10:57,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:10:57,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:10:57,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:10:57,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:10:57,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:10:57,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:10:57,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:10:57,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:10:57,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:10:57,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:10:57,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:10:57,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:10:57,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:10:57,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:10:57,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:10:57,779 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:10:57,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:10:57,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:10:57,781 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:10:57,782 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:10:57,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:10:57,783 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:10:57,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:10:57,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:57,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:10:57,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:10:57,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:10:57,786 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:10:57,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:10:57,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:10:57,787 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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 263a05b0c160070c8e4ad1ad3ddf41447b84f451254e42f1064b5803393fc044 [2023-12-02 23:10:58,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:10:58,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:10:58,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:10:58,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:10:58,054 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:10:58,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_bad.i [2023-12-02 23:11:00,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:11:01,100 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:11:01,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_bad.i [2023-12-02 23:11:01,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data/66b93fe3d/b7db7d21a9c549bcae6c2f08f1ad6caa/FLAG940fa457e [2023-12-02 23:11:01,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data/66b93fe3d/b7db7d21a9c549bcae6c2f08f1ad6caa [2023-12-02 23:11:01,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:11:01,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:11:01,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:01,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:11:01,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:11:01,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:01" (1/1) ... [2023-12-02 23:11:01,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8d5e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:01, skipping insertion in model container [2023-12-02 23:11:01,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:01" (1/1) ... [2023-12-02 23:11:01,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:11:01,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:01,938 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:11:02,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:02,207 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:02,207 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:02,207 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:02,207 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:02,215 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:11:02,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02 WrapperNode [2023-12-02 23:11:02,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:02,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:02,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:11:02,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:11:02,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,273 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2023-12-02 23:11:02,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:02,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:11:02,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:11:02,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:11:02,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:11:02,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:11:02,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:11:02,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:11:02,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:02,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:11:02,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:11:02,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:11:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:11:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:11:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:11:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:11:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:11:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:11:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:11:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:11:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:11:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:11:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:11:02,501 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:11:02,503 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:11:02,603 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:11:02,643 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:11:02,643 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:11:02,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:02 BoogieIcfgContainer [2023-12-02 23:11:02,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:11:02,646 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:11:02,646 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:11:02,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:11:02,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:02" (1/1) ... [2023-12-02 23:11:02,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:11:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 23:11:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 23:11:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:11:02,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:02,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:02,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:11:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:02,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:11:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:02,989 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:11:03,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 23:11:03,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:11:03 ImpRootNode [2023-12-02 23:11:03,016 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:11:03,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:11:03,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:11:03,017 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:11:03,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:02" (3/4) ... [2023-12-02 23:11:03,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:11:03,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:11:03,021 INFO L158 Benchmark]: Toolchain (without parser) took 1879.50ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 96.5MB in the end (delta: -4.8MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,022 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:11:03,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.71ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 91.3MB in the beginning and 134.2MB in the end (delta: -42.9MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.16ms. Allocated memory is still 184.5MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,024 INFO L158 Benchmark]: Boogie Preprocessor took 25.93ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,024 INFO L158 Benchmark]: RCFGBuilder took 344.05ms. Allocated memory is still 184.5MB. Free memory was 130.0MB in the beginning and 116.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,025 INFO L158 Benchmark]: CodeCheck took 370.65ms. Allocated memory is still 184.5MB. Free memory was 115.3MB in the beginning and 97.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,026 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 184.5MB. Free memory was 97.4MB in the beginning and 96.5MB in the end (delta: 956.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:03,029 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: 0.3s, 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: 1568]: 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)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={11799:0}, dataPtr={11799:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.71ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 91.3MB in the beginning and 134.2MB in the end (delta: -42.9MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.16ms. Allocated memory is still 184.5MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.93ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.05ms. Allocated memory is still 184.5MB. Free memory was 130.0MB in the beginning and 116.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 370.65ms. Allocated memory is still 184.5MB. Free memory was 115.3MB in the beginning and 97.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 184.5MB. Free memory was 97.4MB in the beginning and 96.5MB in the end (delta: 956.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 [2023-12-02 23:11:03,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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 263a05b0c160070c8e4ad1ad3ddf41447b84f451254e42f1064b5803393fc044 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:11:04,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:11:04,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:11:05,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:11:05,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:11:05,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:11:05,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:11:05,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:11:05,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:11:05,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:11:05,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:11:05,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:11:05,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:11:05,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:11:05,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:11:05,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:11:05,011 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:11:05,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:11:05,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:11:05,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:11:05,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:11:05,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:11:05,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:11:05,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:11:05,014 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:05,015 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:11:05,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:11:05,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:05,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:11:05,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:11:05,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:11:05,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:11:05,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:05,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:11:05,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:11:05,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:11:05,019 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_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 263a05b0c160070c8e4ad1ad3ddf41447b84f451254e42f1064b5803393fc044 [2023-12-02 23:11:05,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:11:05,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:11:05,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:11:05,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:11:05,334 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:11:05,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_bad.i [2023-12-02 23:11:08,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:11:08,466 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:11:08,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_63_bad.i [2023-12-02 23:11:08,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data/9ed5d47f3/a4bd8bed4c8e495d81d84b84e97ed50c/FLAG7b2aef38a [2023-12-02 23:11:08,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/data/9ed5d47f3/a4bd8bed4c8e495d81d84b84e97ed50c [2023-12-02 23:11:08,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:11:08,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:11:08,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:08,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:11:08,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:11:08,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:08" (1/1) ... [2023-12-02 23:11:08,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7169ed45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:08, skipping insertion in model container [2023-12-02 23:11:08,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:08" (1/1) ... [2023-12-02 23:11:08,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:11:09,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:09,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:11:09,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:09,664 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:09,664 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:09,664 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:09,664 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:09,672 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:11:09,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09 WrapperNode [2023-12-02 23:11:09,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:09,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:09,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:11:09,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:11:09,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,732 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2023-12-02 23:11:09,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:09,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:11:09,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:11:09,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:11:09,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:11:09,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:11:09,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:11:09,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:11:09,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:09" (1/1) ... [2023-12-02 23:11:09,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:11:09,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:11:09,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:11:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:11:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:11:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:11:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:11:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:11:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:11:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:11:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:11:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:11:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:11:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:11:10,023 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:11:10,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:11:10,150 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:11:10,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:11:10,195 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:11:10,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:10 BoogieIcfgContainer [2023-12-02 23:11:10,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:11:10,198 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:11:10,198 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:11:10,208 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:11:10,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:10" (1/1) ... [2023-12-02 23:11:10,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:11:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 23:11:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 23:11:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:11:10,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:10,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:10,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:10,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:10,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:11:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:10,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:11:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:10,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:11:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:11:10,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:11:10,733 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:11:10,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 23:11:10,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:11:10 ImpRootNode [2023-12-02 23:11:10,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:11:10,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:11:10,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:11:10,765 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:11:10,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:11:10" (3/4) ... [2023-12-02 23:11:10,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:11:10,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:11:10,769 INFO L158 Benchmark]: Toolchain (without parser) took 2258.78ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 49.8MB in the end (delta: 29.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-12-02 23:11:10,770 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:11:10,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1160.89ms. Allocated memory is still 107.0MB. Free memory was 79.3MB in the beginning and 40.8MB in the end (delta: 38.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-12-02 23:11:10,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 107.0MB. Free memory was 40.8MB in the beginning and 37.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:10,772 INFO L158 Benchmark]: Boogie Preprocessor took 37.27ms. Allocated memory is still 107.0MB. Free memory was 37.5MB in the beginning and 35.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:10,772 INFO L158 Benchmark]: RCFGBuilder took 425.96ms. Allocated memory is still 107.0MB. Free memory was 35.4MB in the beginning and 67.4MB in the end (delta: -32.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-12-02 23:11:10,773 INFO L158 Benchmark]: CodeCheck took 566.00ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 49.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:11:10,773 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 107.0MB. Free memory was 49.8MB in the beginning and 49.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:11:10,777 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: 1568]: 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_63_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={7:0}, dataPtr={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1160.89ms. Allocated memory is still 107.0MB. Free memory was 79.3MB in the beginning and 40.8MB in the end (delta: 38.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 107.0MB. Free memory was 40.8MB in the beginning and 37.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.27ms. Allocated memory is still 107.0MB. Free memory was 37.5MB in the beginning and 35.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.96ms. Allocated memory is still 107.0MB. Free memory was 35.4MB in the beginning and 67.4MB in the end (delta: -32.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CodeCheck took 566.00ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 49.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 107.0MB. Free memory was 49.8MB in the beginning and 49.8MB 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~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 [2023-12-02 23:11:10,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfcf3b1-55a6-4334-9b4f-0e55366c1f68/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