./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:48:07,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:48:07,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:48:07,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:48:07,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:48:07,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:48:07,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:48:07,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:48:07,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:48:07,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:48:07,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:48:07,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:48:07,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:48:07,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:48:07,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:48:07,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:48:07,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:48:07,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:48:07,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:48:07,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:48:07,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:48:07,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:48:07,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:48:07,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:48:07,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:48:07,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:07,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:48:07,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:48:07,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:48:07,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:48:07,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:48:07,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:48:07,713 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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2023-12-03 04:48:07,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:48:07,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:48:07,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:48:07,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:48:07,959 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:48:07,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2023-12-03 04:48:10,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:48:10,966 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:48:10,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2023-12-03 04:48:10,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data/a612cd6be/bbead044cbd34ce9b5bc7b12db80693a/FLAGc8a4082c4 [2023-12-03 04:48:11,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data/a612cd6be/bbead044cbd34ce9b5bc7b12db80693a [2023-12-03 04:48:11,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:48:11,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:48:11,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:11,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:48:11,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:48:11,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:11,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a539fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11, skipping insertion in model container [2023-12-03 04:48:11,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:11,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:48:11,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:11,744 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:48:11,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:11,951 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:11,951 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:11,951 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:11,951 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:11,959 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:48:11,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11 WrapperNode [2023-12-03 04:48:11,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:11,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:11,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:48:11,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:48:11,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:11,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,020 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2023-12-03 04:48:12,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:12,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:48:12,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:48:12,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:48:12,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:48:12,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:48:12,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:48:12,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:48:12,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:11" (1/1) ... [2023-12-03 04:48:12,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:12,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:48:12,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:48:12,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:48:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:48:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:48:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:48:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:48:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:48:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:48:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:48:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:48:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:48:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:48:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:48:12,245 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:48:12,247 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:48:12,427 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:48:12,591 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:48:12,591 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:48:12,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:12 BoogieIcfgContainer [2023-12-03 04:48:12,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:48:12,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:48:12,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:48:12,601 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:48:12,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:12" (1/1) ... [2023-12-03 04:48:12,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:48:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:48:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:48:12,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:48:12,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:12,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:12,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:13,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:13,176 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:48:13,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 04:48:13,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:48:13 ImpRootNode [2023-12-03 04:48:13,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:48:13,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:48:13,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:48:13,201 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:48:13,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:12" (3/4) ... [2023-12-03 04:48:13,203 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:48:13,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:48:13,205 INFO L158 Benchmark]: Toolchain (without parser) took 2200.52ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 89.0MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 04:48:13,205 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:13,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 953.83ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 112.2MB in the end (delta: 4.3MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-12-03 04:48:13,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.97ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 109.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:48:13,207 INFO L158 Benchmark]: Boogie Preprocessor took 28.69ms. Allocated memory is still 161.5MB. Free memory was 108.6MB in the beginning and 107.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:48:13,208 INFO L158 Benchmark]: RCFGBuilder took 542.54ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 68.8MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:48:13,208 INFO L158 Benchmark]: CodeCheck took 606.44ms. Allocated memory is still 161.5MB. Free memory was 68.8MB in the beginning and 89.0MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:13,209 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 161.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:13,212 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={21807:0}, dataPtr={21807:0}, 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 0.23ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 953.83ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 112.2MB in the end (delta: 4.3MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.97ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 109.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.69ms. Allocated memory is still 161.5MB. Free memory was 108.6MB in the beginning and 107.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.54ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 68.8MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 606.44ms. Allocated memory is still 161.5MB. Free memory was 68.8MB in the beginning and 89.0MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 161.5MB. Free memory is still 89.0MB. 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~nondet111 - 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 04:48:13,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:48:15,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:48:15,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:48:15,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:48:15,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:48:15,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:48:15,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:48:15,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:48:15,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:48:15,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:48:15,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:48:15,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:48:15,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:48:15,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:48:15,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:48:15,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:48:15,252 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:48:15,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:48:15,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:48:15,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:48:15,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:48:15,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:48:15,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:48:15,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:48:15,256 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:15,257 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:48:15,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:48:15,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:15,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:48:15,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:48:15,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:48:15,259 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:48:15,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:15,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:48:15,260 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:48:15,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:48:15,261 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_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2023-12-03 04:48:15,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:48:15,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:48:15,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:48:15,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:48:15,582 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:48:15,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2023-12-03 04:48:18,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:48:18,627 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:48:18,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2023-12-03 04:48:18,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data/5f489ab45/ab1169c831254fbd8d73b391de4ca3e9/FLAG49654e62b [2023-12-03 04:48:18,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/data/5f489ab45/ab1169c831254fbd8d73b391de4ca3e9 [2023-12-03 04:48:18,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:48:18,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:48:18,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:18,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:48:18,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:48:18,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:18" (1/1) ... [2023-12-03 04:48:18,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2170e2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:18, skipping insertion in model container [2023-12-03 04:48:18,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:18" (1/1) ... [2023-12-03 04:48:18,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:48:19,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:19,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:48:19,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:19,724 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:19,724 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:19,725 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:19,725 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:48:19,732 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:48:19,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19 WrapperNode [2023-12-03 04:48:19,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:19,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:19,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:48:19,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:48:19,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,792 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2023-12-03 04:48:19,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:19,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:48:19,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:48:19,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:48:19,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:48:19,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:48:19,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:48:19,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:48:19,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:19" (1/1) ... [2023-12-03 04:48:19,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:19,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:48:19,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:48:19,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:48:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:48:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:48:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:48:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:48:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:48:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:48:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:48:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:48:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:48:20,045 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:48:20,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:48:20,184 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:48:20,256 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:48:20,256 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:48:20,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:20 BoogieIcfgContainer [2023-12-03 04:48:20,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:48:20,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:48:20,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:48:20,268 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:48:20,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:20" (1/1) ... [2023-12-03 04:48:20,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:48:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:48:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:48:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:48:20,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:20,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:20,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:20,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:48:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:20,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:20,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:20,841 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:48:20,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:48:20,844 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:48:20,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 04:48:20,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:48:20 ImpRootNode [2023-12-03 04:48:20,875 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:48:20,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:48:20,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:48:20,876 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:48:20,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:20" (3/4) ... [2023-12-03 04:48:20,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:48:20,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:48:20,880 INFO L158 Benchmark]: Toolchain (without parser) took 2207.80ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 49.9MB in the end (delta: 21.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-12-03 04:48:20,880 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:20,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.96ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 62.6MB in the end (delta: 8.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-12-03 04:48:20,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.05ms. Allocated memory is still 98.6MB. Free memory was 62.6MB in the beginning and 59.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:48:20,882 INFO L158 Benchmark]: Boogie Preprocessor took 35.00ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:20,883 INFO L158 Benchmark]: RCFGBuilder took 428.88ms. Allocated memory is still 98.6MB. Free memory was 57.4MB in the beginning and 69.5MB in the end (delta: -12.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-12-03 04:48:20,883 INFO L158 Benchmark]: CodeCheck took 615.93ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 50.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:48:20,884 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 98.6MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 560.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:20,887 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: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={5:0}, dataPtr={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 0.19ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.96ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 62.6MB in the end (delta: 8.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.05ms. Allocated memory is still 98.6MB. Free memory was 62.6MB in the beginning and 59.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.00ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.88ms. Allocated memory is still 98.6MB. Free memory was 57.4MB in the beginning and 69.5MB in the end (delta: -12.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * CodeCheck took 615.93ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 50.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 98.6MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 560.2kB). 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~nondet105 - 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 04:48:20,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c4dc36-a4a1-4140-98f5-4ed14e240f0e/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