./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_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_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/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_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/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_9c799768-0983-46b1-8717-7cd229fb25ef/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:41:43,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:41:44,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:41:44,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:41:44,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:41:44,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:41:44,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:41:44,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:41:44,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:41:44,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:41:44,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:41:44,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:41:44,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:41:44,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:41:44,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:41:44,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:41:44,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:41:44,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:41:44,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:41:44,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:41:44,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:41:44,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:41:44,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:41:44,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:41:44,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:41:44,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:44,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:41:44,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:41:44,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:41:44,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:41:44,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:41:44,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:41:44,056 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_9c799768-0983-46b1-8717-7cd229fb25ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2023-12-03 02:41:44,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:41:44,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:41:44,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:41:44,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:41:44,338 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:41:44,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2023-12-03 02:41:47,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:41:47,401 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:41:47,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2023-12-03 02:41:47,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data/b6f601665/b7c6e2b5a1d0483cb575157f4e3c721b/FLAGec1e6ed6f [2023-12-03 02:41:47,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data/b6f601665/b7c6e2b5a1d0483cb575157f4e3c721b [2023-12-03 02:41:47,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:41:47,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:41:47,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:47,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:41:47,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:41:47,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:47" (1/1) ... [2023-12-03 02:41:47,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244da50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:47, skipping insertion in model container [2023-12-03 02:41:47,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:47" (1/1) ... [2023-12-03 02:41:47,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:41:48,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:48,215 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:41:48,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:48,382 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:48,383 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:48,383 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:48,383 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:48,389 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:41:48,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48 WrapperNode [2023-12-03 02:41:48,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:48,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:48,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:41:48,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:41:48,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,449 INFO L138 Inliner]: procedures = 498, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-12-03 02:41:48,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:48,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:41:48,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:41:48,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:41:48,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:41:48,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:41:48,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:41:48,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:41:48,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:48" (1/1) ... [2023-12-03 02:41:48,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:48,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:41:48,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:41:48,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:41:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:41:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:41:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:41:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:41:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:41:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:41:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:41:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:41:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:41:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:41:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:41:48,680 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:41:48,682 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:41:48,860 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:41:49,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:41:49,038 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:41:49,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:49 BoogieIcfgContainer [2023-12-03 02:41:49,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:41:49,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:41:49,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:41:49,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:41:49,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:49" (1/1) ... [2023-12-03 02:41:49,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:41:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 02:41:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 02:41:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:41:49,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:49,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:49,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:49,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:49,657 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:41:49,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet113 [2023-12-03 02:41:49,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post111 could not be translated [2023-12-03 02:41:49,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:41:49 ImpRootNode [2023-12-03 02:41:49,687 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:41:49,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:41:49,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:41:49,688 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:41:49,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:49" (3/4) ... [2023-12-03 02:41:49,691 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:41:49,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:41:49,693 INFO L158 Benchmark]: Toolchain (without parser) took 2249.87ms. Allocated memory is still 201.3MB. Free memory was 162.8MB in the beginning and 140.2MB in the end (delta: 22.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-12-03 02:41:49,694 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:49,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.83ms. Allocated memory is still 201.3MB. Free memory was 162.8MB in the beginning and 119.8MB in the end (delta: 42.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-03 02:41:49,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.53ms. Allocated memory is still 201.3MB. Free memory was 119.8MB in the beginning and 116.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:49,696 INFO L158 Benchmark]: Boogie Preprocessor took 29.26ms. Allocated memory is still 201.3MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:49,697 INFO L158 Benchmark]: RCFGBuilder took 559.14ms. Allocated memory is still 201.3MB. Free memory was 114.6MB in the beginning and 76.9MB in the end (delta: 37.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:41:49,698 INFO L158 Benchmark]: CodeCheck took 646.45ms. Allocated memory is still 201.3MB. Free memory was 76.9MB in the beginning and 140.2MB in the end (delta: -63.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:49,698 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 201.3MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:49,702 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: 1563]: 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 1572, overapproximation of bitwiseOr at line 1558. 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); [L1572] 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) [L1572] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={6561:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.83ms. Allocated memory is still 201.3MB. Free memory was 162.8MB in the beginning and 119.8MB in the end (delta: 42.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.53ms. Allocated memory is still 201.3MB. Free memory was 119.8MB in the beginning and 116.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.26ms. Allocated memory is still 201.3MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.14ms. Allocated memory is still 201.3MB. Free memory was 114.6MB in the beginning and 76.9MB in the end (delta: 37.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 646.45ms. Allocated memory is still 201.3MB. Free memory was 76.9MB in the beginning and 140.2MB in the end (delta: -63.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 201.3MB. Free memory is still 140.2MB. 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~nondet113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post111 could not be translated - 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 02:41:49,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/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_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/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_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/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_9c799768-0983-46b1-8717-7cd229fb25ef/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:41:51,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:41:51,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:41:51,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:41:51,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:41:51,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:41:51,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:41:51,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:41:51,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:41:51,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:41:51,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:41:51,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:41:51,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:41:51,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:41:51,755 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:41:51,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:41:51,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:41:51,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:41:51,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:41:51,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:41:51,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:41:51,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:41:51,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:41:51,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:41:51,761 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:51,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:41:51,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:41:51,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:51,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:41:51,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:41:51,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:41:51,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:41:51,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:51,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:41:51,764 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:41:51,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:41:51,765 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_9c799768-0983-46b1-8717-7cd229fb25ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2023-12-03 02:41:52,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:41:52,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:41:52,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:41:52,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:41:52,058 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:41:52,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2023-12-03 02:41:54,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:41:55,173 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:41:55,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2023-12-03 02:41:55,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data/fedb91282/13ce07c0106a462cad5f9dc5b21e2a55/FLAGf37c871a8 [2023-12-03 02:41:55,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/data/fedb91282/13ce07c0106a462cad5f9dc5b21e2a55 [2023-12-03 02:41:55,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:41:55,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:41:55,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:55,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:41:55,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:41:55,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:55" (1/1) ... [2023-12-03 02:41:55,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f2de72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:55, skipping insertion in model container [2023-12-03 02:41:55,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:55" (1/1) ... [2023-12-03 02:41:55,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:41:55,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:55,989 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:41:56,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:56,214 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:56,215 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:56,215 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:56,215 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:41:56,221 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:41:56,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56 WrapperNode [2023-12-03 02:41:56,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:56,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:56,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:41:56,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:41:56,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,279 INFO L138 Inliner]: procedures = 503, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-12-03 02:41:56,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:56,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:41:56,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:41:56,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:41:56,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:41:56,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:41:56,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:41:56,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:41:56,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:56,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:41:56,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:41:56,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:41:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:41:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:41:56,544 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:41:56,546 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:41:56,705 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:41:56,765 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:41:56,765 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:41:56,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:56 BoogieIcfgContainer [2023-12-03 02:41:56,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:41:56,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:41:56,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:41:56,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:41:56,777 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:56" (1/1) ... [2023-12-03 02:41:56,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:41:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 02:41:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 02:41:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:41:56,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:56,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:56,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:56,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:56,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:41:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:57,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:57,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:41:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:41:57,249 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:41:57,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:41:57,254 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:41:57,276 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet107 [2023-12-03 02:41:57,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-12-03 02:41:57,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:41:57 ImpRootNode [2023-12-03 02:41:57,285 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:41:57,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:41:57,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:41:57,286 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:41:57,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:56" (3/4) ... [2023-12-03 02:41:57,288 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:41:57,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:41:57,290 INFO L158 Benchmark]: Toolchain (without parser) took 2078.62ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 67.4MB in the end (delta: 26.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 02:41:57,291 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:57,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1008.72ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 60.9MB in the end (delta: 33.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-03 02:41:57,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.43ms. Allocated memory is still 121.6MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:57,292 INFO L158 Benchmark]: Boogie Preprocessor took 37.78ms. Allocated memory is still 121.6MB. Free memory was 58.1MB in the beginning and 55.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:41:57,293 INFO L158 Benchmark]: RCFGBuilder took 448.38ms. Allocated memory is still 121.6MB. Free memory was 55.9MB in the beginning and 86.3MB in the end (delta: -30.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-03 02:41:57,294 INFO L158 Benchmark]: CodeCheck took 517.01ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 67.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:41:57,294 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 121.6MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:41:57,298 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: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1008.72ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 60.9MB in the end (delta: 33.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.43ms. Allocated memory is still 121.6MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.78ms. Allocated memory is still 121.6MB. Free memory was 58.1MB in the beginning and 55.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.38ms. Allocated memory is still 121.6MB. Free memory was 55.9MB in the beginning and 86.3MB in the end (delta: -30.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * CodeCheck took 517.01ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 67.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 121.6MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet107 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - 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 02:41:57,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c799768-0983-46b1-8717-7cd229fb25ef/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample