./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_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_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/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_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/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_cc86ed4e-3382-4da8-b311-8647bab52a52/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 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:52:39,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:52:39,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:52:39,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:52:39,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:52:39,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:52:39,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:52:39,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:52:39,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:52:39,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:52:39,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:52:39,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:52:39,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:52:39,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:52:39,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:52:39,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:52:39,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:52:39,229 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:52:39,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:52:39,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:52:39,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:52:39,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:52:39,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:52:39,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:52:39,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:52:39,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:52:39,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:52:39,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:52:39,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:52:39,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:52:39,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:52:39,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:52:39,245 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_cc86ed4e-3382-4da8-b311-8647bab52a52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 [2023-12-03 04:52:39,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:52:39,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:52:39,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:52:39,490 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:52:39,490 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:52:39,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2023-12-03 04:52:42,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:52:42,533 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:52:42,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2023-12-03 04:52:42,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data/d29506bf0/2ecab2cf367e45bf846828dae7025294/FLAG451d57ddc [2023-12-03 04:52:42,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data/d29506bf0/2ecab2cf367e45bf846828dae7025294 [2023-12-03 04:52:42,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:52:42,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:52:42,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:52:42,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:52:42,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:52:42,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:52:42" (1/1) ... [2023-12-03 04:52:42,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e03bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:42, skipping insertion in model container [2023-12-03 04:52:42,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:52:42" (1/1) ... [2023-12-03 04:52:42,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:52:43,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:52:43,366 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:52:43,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:52:43,612 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:43,612 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:43,612 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:43,612 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:43,612 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:43,620 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:52:43,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43 WrapperNode [2023-12-03 04:52:43,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:52:43,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:52:43,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:52:43,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:52:43,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,688 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2023-12-03 04:52:43,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:52:43,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:52:43,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:52:43,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:52:43,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:52:43,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:52:43,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:52:43,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:52:43,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:52:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:52:43,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:52:43,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:52:43,788 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:52:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:52:43,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:52:43,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:52:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:52:43,789 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:52:43,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:52:43,935 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:52:43,938 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:52:44,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:52:44,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:52:44,301 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:52:44,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:44 BoogieIcfgContainer [2023-12-03 04:52:44,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:52:44,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:52:44,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:52:44,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:52:44,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:44" (1/1) ... [2023-12-03 04:52:44,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:52:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:52:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:52:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:52:44,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:44,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:52:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:44,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:52:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:44,837 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:52:44,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-12-03 04:52:44,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:52:44 ImpRootNode [2023-12-03 04:52:44,863 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:52:44,864 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:52:44,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:52:44,864 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:52:44,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:44" (3/4) ... [2023-12-03 04:52:44,867 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:52:44,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:52:44,869 INFO L158 Benchmark]: Toolchain (without parser) took 2297.00ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 93.5MB in the beginning and 148.3MB in the end (delta: -54.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-12-03 04:52:44,869 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 105.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:44,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.49ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 93.1MB in the beginning and 154.3MB in the end (delta: -61.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-12-03 04:52:44,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.02ms. Allocated memory is still 201.3MB. Free memory was 154.3MB in the beginning and 151.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:52:44,871 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 201.3MB. Free memory was 150.1MB in the beginning and 149.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:44,872 INFO L158 Benchmark]: RCFGBuilder took 584.55ms. Allocated memory is still 201.3MB. Free memory was 149.0MB in the beginning and 111.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:52:44,873 INFO L158 Benchmark]: CodeCheck took 560.30ms. Allocated memory is still 201.3MB. Free memory was 111.3MB in the beginning and 148.3MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:44,873 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 201.3MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:44,877 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 1560, overapproximation of bitwiseOr at line 1554. 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_rand_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_predec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 105.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.49ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 93.1MB in the beginning and 154.3MB in the end (delta: -61.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.02ms. Allocated memory is still 201.3MB. Free memory was 154.3MB in the beginning and 151.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 201.3MB. Free memory was 150.1MB in the beginning and 149.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.55ms. Allocated memory is still 201.3MB. Free memory was 149.0MB in the beginning and 111.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 560.30ms. Allocated memory is still 201.3MB. Free memory was 111.3MB in the beginning and 148.3MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 201.3MB. Free memory is still 148.3MB. 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~nondet112 - 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 04:52:44,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/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_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/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_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/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_cc86ed4e-3382-4da8-b311-8647bab52a52/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 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:52:46,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:52:46,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:52:46,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:52:46,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:52:46,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:52:46,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:52:46,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:52:46,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:52:46,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:52:46,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:52:46,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:52:46,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:52:46,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:52:46,956 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:52:46,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:52:46,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:52:46,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:52:46,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:52:46,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:52:46,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:52:46,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:52:46,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:52:46,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:52:46,961 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:46,962 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:52:46,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:52:46,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:52:46,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:52:46,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:52:46,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:52:46,964 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:52:46,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:46,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:52:46,965 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:52:46,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:52:46,966 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_cc86ed4e-3382-4da8-b311-8647bab52a52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 [2023-12-03 04:52:47,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:52:47,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:52:47,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:52:47,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:52:47,286 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:52:47,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2023-12-03 04:52:50,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:52:50,413 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:52:50,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2023-12-03 04:52:50,435 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data/0ae43f180/f8f2e3161f0f47fbac902c95fbe2d06f/FLAG2d6ea3741 [2023-12-03 04:52:50,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/data/0ae43f180/f8f2e3161f0f47fbac902c95fbe2d06f [2023-12-03 04:52:50,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:52:50,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:52:50,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:52:50,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:52:50,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:52:50,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:52:50" (1/1) ... [2023-12-03 04:52:50,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3596037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:50, skipping insertion in model container [2023-12-03 04:52:50,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:52:50" (1/1) ... [2023-12-03 04:52:50,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:52:51,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:52:51,273 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:52:51,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:52:51,470 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:51,471 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:51,471 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:51,471 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:51,471 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:52:51,477 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:52:51,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51 WrapperNode [2023-12-03 04:52:51,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:52:51,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:52:51,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:52:51,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:52:51,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,536 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2023-12-03 04:52:51,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:52:51,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:52:51,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:52:51,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:52:51,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:52:51,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:52:51,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:52:51,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:52:51,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:51" (1/1) ... [2023-12-03 04:52:51,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:52:51,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:52:51,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:52:51,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:52:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:52:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:52:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:52:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:52:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:52:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:52:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:52:51,806 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:52:51,809 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:52:51,939 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:52:52,006 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:52:52,007 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:52:52,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:52 BoogieIcfgContainer [2023-12-03 04:52:52,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:52:52,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:52:52,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:52:52,019 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:52:52,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:52" (1/1) ... [2023-12-03 04:52:52,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:52:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:52:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:52:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:52:52,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:52,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:52,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:52,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:52:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:52,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:52:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:52,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:52:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:52,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:52:52,479 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:52:52,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-03 04:52:52,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:52:52 ImpRootNode [2023-12-03 04:52:52,506 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:52:52,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:52:52,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:52:52,507 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:52:52,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:52" (3/4) ... [2023-12-03 04:52:52,509 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:52:52,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:52:52,511 INFO L158 Benchmark]: Toolchain (without parser) took 2060.05ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 47.2MB in the end (delta: 21.9MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-03 04:52:52,512 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:52,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.52ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 57.9MB in the end (delta: 11.2MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-12-03 04:52:52,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.47ms. Allocated memory is still 96.5MB. Free memory was 57.9MB in the beginning and 54.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:52:52,513 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:52:52,514 INFO L158 Benchmark]: RCFGBuilder took 432.42ms. Allocated memory is still 96.5MB. Free memory was 52.6MB in the beginning and 63.9MB in the end (delta: -11.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-12-03 04:52:52,515 INFO L158 Benchmark]: CodeCheck took 496.89ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 47.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:52:52,515 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 96.5MB. Free memory was 47.8MB in the beginning and 47.2MB in the end (delta: 568.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:52,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_predec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1025.52ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 57.9MB in the end (delta: 11.2MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.47ms. Allocated memory is still 96.5MB. Free memory was 57.9MB in the beginning and 54.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.42ms. Allocated memory is still 96.5MB. Free memory was 52.6MB in the beginning and 63.9MB in the end (delta: -11.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 496.89ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 47.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 96.5MB. Free memory was 47.8MB in the beginning and 47.2MB in the end (delta: 568.8kB). 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~nondet106 - 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 04:52:52,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc86ed4e-3382-4da8-b311-8647bab52a52/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