./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC --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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:56,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:56,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:18:56,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:56,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:56,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:56,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:56,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:56,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:56,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:56,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:56,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:56,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:56,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:56,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:56,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:56,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:56,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:56,496 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:56,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:56,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:56,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:56,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:56,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:56,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:56,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:56,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:56,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:56,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:56,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:56,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:56,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:56,504 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_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2023-11-23 20:18:56,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:56,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:56,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:56,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:56,914 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:56,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2023-11-23 20:19:00,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:00,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:00,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2023-11-23 20:19:00,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data/0267f2c02/da640f15b5fc4a17b2b1661f22ee60a2/FLAG1cbed3375 [2023-11-23 20:19:00,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data/0267f2c02/da640f15b5fc4a17b2b1661f22ee60a2 [2023-11-23 20:19:00,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:00,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:00,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:00,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:00,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:00,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:00" (1/1) ... [2023-11-23 20:19:00,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a441e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:00, skipping insertion in model container [2023-11-23 20:19:00,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:00" (1/1) ... [2023-11-23 20:19:00,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:01,128 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:01,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:01,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:01,797 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:01,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:02,030 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:02,030 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:02,030 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:02,031 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:02,031 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:02,040 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:02,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02 WrapperNode [2023-11-23 20:19:02,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:02,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:02,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:02,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:02,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,146 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2023-11-23 20:19:02,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:02,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:02,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:02,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:02,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:02,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:02,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:02,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:02,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:02" (1/1) ... [2023-11-23 20:19:02,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:02,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:02,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:02,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:19:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:19:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:19:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:02,460 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:02,462 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:02,709 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:03,027 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:03,028 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:19:03,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:03 BoogieIcfgContainer [2023-11-23 20:19:03,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:03,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:03,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:03,042 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:03,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:03" (1/1) ... [2023-11-23 20:19:03,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-23 20:19:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-23 20:19:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:19:03,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:03,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:03,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:03,905 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:19:03,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post112 could not be translated [2023-11-23 20:19:03,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch111 could not be translated [2023-11-23 20:19:03,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:03 ImpRootNode [2023-11-23 20:19:03,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:03,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:03,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:03,941 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:03,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:03" (3/4) ... [2023-11-23 20:19:03,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:19:03,944 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:03,945 INFO L158 Benchmark]: Toolchain (without parser) took 3361.54ms. Allocated memory is still 180.4MB. Free memory was 132.5MB in the beginning and 96.4MB in the end (delta: 36.0MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-23 20:19:03,946 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:03,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.60ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 112.4MB in the end (delta: 19.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-23 20:19:03,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.11ms. Allocated memory is still 180.4MB. Free memory was 112.4MB in the beginning and 109.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:03,948 INFO L158 Benchmark]: Boogie Preprocessor took 67.29ms. Allocated memory is still 180.4MB. Free memory was 109.1MB in the beginning and 107.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:03,948 INFO L158 Benchmark]: RCFGBuilder took 809.06ms. Allocated memory is still 180.4MB. Free memory was 107.8MB in the beginning and 141.4MB in the end (delta: -33.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-23 20:19:03,949 INFO L158 Benchmark]: CodeCheck took 908.87ms. Allocated memory is still 180.4MB. Free memory was 140.5MB in the beginning and 97.3MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 20:19:03,950 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 180.4MB. Free memory was 97.3MB in the beginning and 96.4MB in the end (delta: 844.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:03,953 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 9 NumberOfCodeBlocks, 9 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: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: [L1565] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.60ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 112.4MB in the end (delta: 19.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.11ms. Allocated memory is still 180.4MB. Free memory was 112.4MB in the beginning and 109.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.29ms. Allocated memory is still 180.4MB. Free memory was 109.1MB in the beginning and 107.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 809.06ms. Allocated memory is still 180.4MB. Free memory was 107.8MB in the beginning and 141.4MB in the end (delta: -33.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * CodeCheck took 908.87ms. Allocated memory is still 180.4MB. Free memory was 140.5MB in the beginning and 97.3MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 180.4MB. Free memory was 97.3MB in the beginning and 96.4MB in the end (delta: 844.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch111 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 [2023-11-23 20:19:03,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/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_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC --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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:06,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:06,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:19:07,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:07,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:07,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:07,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:07,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:07,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:07,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:07,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:07,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:07,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:07,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:07,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:19:07,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:19:07,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:07,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:19:07,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:07,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:07,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:07,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:07,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:07,053 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:07,053 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:07,053 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:07,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:07,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:07,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:07,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:07,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:07,057 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:19:07,057 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:07,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:07,058 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:19:07,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:07,059 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_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2023-11-23 20:19:07,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:07,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:07,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:07,637 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:07,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:07,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2023-11-23 20:19:11,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:11,506 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:11,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2023-11-23 20:19:11,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data/5b156f2d1/df58f157f546437cacb1bd96e1830983/FLAG4cf6f7f8d [2023-11-23 20:19:11,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/data/5b156f2d1/df58f157f546437cacb1bd96e1830983 [2023-11-23 20:19:11,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:11,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:11,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:11,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:11,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:11,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:11" (1/1) ... [2023-11-23 20:19:11,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10528f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:11, skipping insertion in model container [2023-11-23 20:19:11,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:11" (1/1) ... [2023-11-23 20:19:11,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:12,188 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:12,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:12,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:12,759 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:12,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:13,061 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:13,062 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:13,062 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:13,062 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:13,062 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:13,071 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:13,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13 WrapperNode [2023-11-23 20:19:13,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:13,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:13,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:13,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:13,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,188 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-23 20:19:13,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:13,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:13,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:13,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:13,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:13,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:13,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:13,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:13,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:13,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:13,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:19:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:19:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:19:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:19:13,539 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:13,542 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:13,719 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:13,801 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:13,801 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:19:13,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:13 BoogieIcfgContainer [2023-11-23 20:19:13,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:13,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:13,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:13,817 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:13,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-23 20:19:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-23 20:19:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:19:13,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:13,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:19:13,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:19:13,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:19:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:14,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:14,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:14,396 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:19:14,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:19:14,405 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:19:14,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch105 could not be translated [2023-11-23 20:19:14,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-23 20:19:14,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:14 ImpRootNode [2023-11-23 20:19:14,452 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:14,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:14,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:14,453 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:14,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:13" (3/4) ... [2023-11-23 20:19:14,454 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:19:14,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-23 20:19:14,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch105 could not be translated [2023-11-23 20:19:14,521 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:19:14,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:14,523 INFO L158 Benchmark]: Toolchain (without parser) took 2947.96ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 60.5MB in the beginning and 63.8MB in the end (delta: -3.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-23 20:19:14,524 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 60.8MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:14,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1494.41ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 36.3MB in the end (delta: 24.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:14,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.88ms. Allocated memory is still 88.1MB. Free memory was 36.3MB in the beginning and 59.4MB in the end (delta: -23.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:14,527 INFO L158 Benchmark]: Boogie Preprocessor took 68.31ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 57.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:14,530 INFO L158 Benchmark]: RCFGBuilder took 546.37ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 39.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:19:14,531 INFO L158 Benchmark]: CodeCheck took 645.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 66.6MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:14,531 INFO L158 Benchmark]: Witness Printer took 69.37ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 63.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:14,540 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, 20 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, 9 NumberOfCodeBlocks, 9 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 - CounterExampleResult [Line: 1565]: integer overflow possible integer overflow possible We found a 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: [L1565] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 60.8MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1494.41ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 36.3MB in the end (delta: 24.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.88ms. Allocated memory is still 88.1MB. Free memory was 36.3MB in the beginning and 59.4MB in the end (delta: -23.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.31ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 57.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.37ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 39.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 645.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 66.6MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.37ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 63.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:19:14,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea63683-577a-4c28-8e79-3c3a7041d90d/bin/ukojak-verify-1t5iHCbJaC/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)