./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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 d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:51,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:51,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:18:51,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:18:51,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:18:51,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:51,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:18:51,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:18:51,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:51,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:51,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:51,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:18:51,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:18:51,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:51,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:18:51,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:51,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:18:51,538 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:18:51,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:51,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:18:51,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:51,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:51,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:51,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:51,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:51,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:51,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:51,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:51,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:18:51,563 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:18:51,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:18:51,564 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:18:51,564 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_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 [2023-12-03 00:18:51,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:51,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:51,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:51,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:51,813 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:51,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i [2023-12-03 00:18:54,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:18:54,875 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:18:54,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i [2023-12-03 00:18:54,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data/d1491abaa/d357d67995e14f0ca529a5ba6636b660/FLAG9e7439bd7 [2023-12-03 00:18:54,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data/d1491abaa/d357d67995e14f0ca529a5ba6636b660 [2023-12-03 00:18:54,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:18:54,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:18:54,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:54,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:18:54,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:18:54,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56260663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54, skipping insertion in model container [2023-12-03 00:18:54,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:18:55,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:55,736 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:18:55,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:56,016 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:56,016 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:56,016 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:56,016 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:56,024 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:18:56,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56 WrapperNode [2023-12-03 00:18:56,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:56,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:56,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:18:56,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:18:56,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,081 INFO L138 Inliner]: procedures = 498, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-12-03 00:18:56,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:56,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:18:56,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:18:56,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:18:56,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:18:56,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:18:56,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:18:56,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:18:56,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:56,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:18:56,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:18:56,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:18:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:18:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:18:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:18:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:18:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:18:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:18:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:18:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:18:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:18:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:18:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:18:56,334 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:18:56,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:18:56,444 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:18:56,481 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:18:56,481 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:18:56,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:56 BoogieIcfgContainer [2023-12-03 00:18:56,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:18:56,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:18:56,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:18:56,494 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:18:56,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:56" (1/1) ... [2023-12-03 00:18:56,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:18:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:18:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:18:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:18:56,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:18:56,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:18:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:18:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:18:56,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:18:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:18:56,840 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:18:56,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 00:18:56,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:18:56 ImpRootNode [2023-12-03 00:18:56,868 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:18:56,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:18:56,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:18:56,869 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:18:56,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:56" (3/4) ... [2023-12-03 00:18:56,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:18:56,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:18:56,874 INFO L158 Benchmark]: Toolchain (without parser) took 1955.70ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 134.2MB in the beginning and 197.9MB in the end (delta: -63.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-03 00:18:56,875 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 180.4MB. Free memory was 148.0MB in the beginning and 147.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:56,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1105.95ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 134.2MB in the beginning and 235.7MB in the end (delta: -101.5MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-12-03 00:18:56,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.46ms. Allocated memory is still 272.6MB. Free memory was 235.7MB in the beginning and 232.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:18:56,877 INFO L158 Benchmark]: Boogie Preprocessor took 24.42ms. Allocated memory is still 272.6MB. Free memory was 232.5MB in the beginning and 231.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:56,878 INFO L158 Benchmark]: RCFGBuilder took 375.84ms. Allocated memory is still 272.6MB. Free memory was 231.5MB in the beginning and 216.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:18:56,878 INFO L158 Benchmark]: CodeCheck took 384.60ms. Allocated memory is still 272.6MB. Free memory was 216.8MB in the beginning and 197.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:18:56,879 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 272.6MB. Free memory is still 197.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:56,882 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR data = (-0x7fffffff - 1) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = (-0x7fffffff - 1); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={11799:0}, dataPtr1={11799:0}, dataPtr2={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 0.28ms. Allocated memory is still 180.4MB. Free memory was 148.0MB in the beginning and 147.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1105.95ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 134.2MB in the beginning and 235.7MB in the end (delta: -101.5MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.46ms. Allocated memory is still 272.6MB. Free memory was 235.7MB in the beginning and 232.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.42ms. Allocated memory is still 272.6MB. Free memory was 232.5MB in the beginning and 231.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.84ms. Allocated memory is still 272.6MB. Free memory was 231.5MB in the beginning and 216.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 384.60ms. Allocated memory is still 272.6MB. Free memory was 216.8MB in the beginning and 197.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 272.6MB. Free memory is still 197.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:18:56,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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 d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:58,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:58,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:18:58,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:58,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:18:58,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:18:58,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:58,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:58,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:58,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:18:58,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:58,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:18:58,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:58,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:18:58,951 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:18:58,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:18:58,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:18:58,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:18:58,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:58,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:18:58,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:58,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:58,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:58,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:58,956 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:58,957 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:58,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:58,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:58,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:58,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:58,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:18:58,960 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:18:58,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:58,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:18:58,960 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:18:58,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:58,961 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_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d154b6b3f4dbdc0cc3615dd2cbc5822de07cea518101b45e91b7a40da49ca3f9 [2023-12-03 00:18:59,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:59,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:59,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:59,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:59,268 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:59,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i [2023-12-03 00:19:02,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:19:02,371 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:19:02,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_32_bad.i [2023-12-03 00:19:02,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data/01ec312e8/def3a81421804b5197244e34a9af8237/FLAG99b70504b [2023-12-03 00:19:02,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/data/01ec312e8/def3a81421804b5197244e34a9af8237 [2023-12-03 00:19:02,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:19:02,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:19:02,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:02,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:19:02,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:19:02,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:02" (1/1) ... [2023-12-03 00:19:02,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d58de3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:02, skipping insertion in model container [2023-12-03 00:19:02,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:02" (1/1) ... [2023-12-03 00:19:02,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:19:03,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:03,149 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:19:03,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:03,367 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:03,367 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:03,368 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:03,368 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:03,376 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:19:03,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03 WrapperNode [2023-12-03 00:19:03,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:03,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:19:03,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:19:03,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:19:03,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,438 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-12-03 00:19:03,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:19:03,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:19:03,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:19:03,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:19:03,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:19:03,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:19:03,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:19:03,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:19:03,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:19:03,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:19:03,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:19:03,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:19:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:19:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:19:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:19:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:19:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:19:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:19:03,712 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:19:03,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:19:03,863 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:19:03,904 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:19:03,904 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:19:03,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:03 BoogieIcfgContainer [2023-12-03 00:19:03,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:19:03,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:19:03,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:19:03,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:19:03,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:19:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:19:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:19:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:19:03,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:03,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:03,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:19:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:19:04,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:19:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:19:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:19:04,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:19:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:19:04,392 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:19:04,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:19:04,394 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:19:04,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 00:19:04,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:19:04 ImpRootNode [2023-12-03 00:19:04,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:19:04,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:19:04,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:19:04,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:19:04,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:03" (3/4) ... [2023-12-03 00:19:04,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:19:04,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:19:04,423 INFO L158 Benchmark]: Toolchain (without parser) took 2011.75ms. Allocated memory is still 94.4MB. Free memory was 72.6MB in the beginning and 41.9MB in the end (delta: 30.7MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-12-03 00:19:04,424 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:19:04,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 964.24ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 54.1MB in the end (delta: 18.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-12-03 00:19:04,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.56ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 50.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:19:04,425 INFO L158 Benchmark]: Boogie Preprocessor took 37.25ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:04,426 INFO L158 Benchmark]: RCFGBuilder took 428.78ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 59.8MB in the end (delta: -11.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:04,427 INFO L158 Benchmark]: CodeCheck took 511.26ms. Allocated memory is still 94.4MB. Free memory was 59.8MB in the beginning and 42.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:19:04,427 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 94.4MB. Free memory was 42.2MB in the beginning and 41.9MB in the end (delta: 311.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:19:04,431 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR data = (-0x7fffffff - 1) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = (-0x7fffffff - 1); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 964.24ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 54.1MB in the end (delta: 18.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.56ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 50.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.25ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.78ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 59.8MB in the end (delta: -11.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 511.26ms. Allocated memory is still 94.4MB. Free memory was 59.8MB in the beginning and 42.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 94.4MB. Free memory was 42.2MB in the beginning and 41.9MB in the end (delta: 311.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:19:04,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b38739e-7577-4e7e-81d6-68d4b7ee5433/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