./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:14,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:14,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 19:56:14,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:14,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:14,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:14,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:14,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:14,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:14,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:14,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:14,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:14,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:14,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:14,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:14,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:14,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:14,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:14,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:14,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:14,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:14,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:14,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:14,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:14,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:14,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:14,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:14,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:14,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:14,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:14,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:14,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:14,485 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_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2023-11-23 19:56:14,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:14,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:14,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:14,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:14,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:14,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2023-11-23 19:56:17,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:18,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:18,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2023-11-23 19:56:18,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data/e4a8102af/f94fef5883b94104bb1bb11a1ddfb14b/FLAG93ec9341f [2023-11-23 19:56:18,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data/e4a8102af/f94fef5883b94104bb1bb11a1ddfb14b [2023-11-23 19:56:18,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:18,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:18,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:18,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:18,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:18,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357b1ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:18, skipping insertion in model container [2023-11-23 19:56:18,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:18" (1/1) ... [2023-11-23 19:56:18,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:19,119 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:19,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:19,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:19,863 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:19,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:20,209 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:20,209 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:20,210 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:20,210 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:20,210 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:20,210 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:20,218 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:20,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20 WrapperNode [2023-11-23 19:56:20,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:20,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:20,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:20,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:20,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,294 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 94 [2023-11-23 19:56:20,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:20,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:20,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:20,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:20,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:20,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:20,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:20,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:20,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:20" (1/1) ... [2023-11-23 19:56:20,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:20,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:20,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:20,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:56:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:56:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:56:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:20,571 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:20,574 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:20,853 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:21,165 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:21,166 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:56:21,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:21 BoogieIcfgContainer [2023-11-23 19:56:21,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:21,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:21,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:21,184 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:21,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:21" (1/1) ... [2023-11-23 19:56:21,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 19:56:21,261 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 19:56:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:56:21,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:21,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:21,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:56:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:21,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:56:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:22,004 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 19:56:22,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-23 19:56:22,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:56:22 ImpRootNode [2023-11-23 19:56:22,043 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 19:56:22,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 19:56:22,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 19:56:22,048 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 19:56:22,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:21" (3/4) ... [2023-11-23 19:56:22,054 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 19:56:22,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 19:56:22,057 INFO L158 Benchmark]: Toolchain (without parser) took 3463.00ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 130.9MB in the end (delta: -48.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:22,058 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:22,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1624.24ms. Allocated memory is still 130.0MB. Free memory was 81.6MB in the beginning and 65.5MB in the end (delta: 16.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-23 19:56:22,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.46ms. Allocated memory is still 130.0MB. Free memory was 65.5MB in the beginning and 62.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 19:56:22,061 INFO L158 Benchmark]: Boogie Preprocessor took 32.80ms. Allocated memory is still 130.0MB. Free memory was 62.2MB in the beginning and 60.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:22,061 INFO L158 Benchmark]: RCFGBuilder took 839.34ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 60.1MB in the beginning and 104.9MB in the end (delta: -44.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-23 19:56:22,063 INFO L158 Benchmark]: CodeCheck took 874.07ms. Allocated memory is still 169.9MB. Free memory was 103.9MB in the beginning and 132.0MB in the end (delta: -28.1MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:22,064 INFO L158 Benchmark]: Witness Printer took 8.22ms. Allocated memory is still 169.9MB. Free memory was 132.0MB in the beginning and 130.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:22,074 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: 0.8s, 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, 0.1s 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1624.24ms. Allocated memory is still 130.0MB. Free memory was 81.6MB in the beginning and 65.5MB in the end (delta: 16.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.46ms. Allocated memory is still 130.0MB. Free memory was 65.5MB in the beginning and 62.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.80ms. Allocated memory is still 130.0MB. Free memory was 62.2MB in the beginning and 60.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 839.34ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 60.1MB in the beginning and 104.9MB in the end (delta: -44.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * CodeCheck took 874.07ms. Allocated memory is still 169.9MB. Free memory was 103.9MB in the beginning and 132.0MB in the end (delta: -28.1MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 8.22ms. Allocated memory is still 169.9MB. Free memory was 132.0MB in the beginning and 130.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 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 19:56:22,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:24,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:24,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 19:56:24,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:24,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:24,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:24,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:24,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:24,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:24,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:24,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:24,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:24,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:24,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:24,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 19:56:24,882 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 19:56:24,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:24,883 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 19:56:24,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:24,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:24,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:24,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:24,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:24,886 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:24,886 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:24,887 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:24,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:24,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:24,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:24,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:24,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:24,890 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 19:56:24,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:24,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:24,891 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 19:56:24,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:24,892 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_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2023-11-23 19:56:25,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:25,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:25,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:25,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:25,338 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:25,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2023-11-23 19:56:28,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:29,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:29,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2023-11-23 19:56:29,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data/385e24392/b3e2a5fc96b440669276654d875560ab/FLAG24e38bc18 [2023-11-23 19:56:29,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/data/385e24392/b3e2a5fc96b440669276654d875560ab [2023-11-23 19:56:29,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:29,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:29,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:29,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:29,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:29,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:29" (1/1) ... [2023-11-23 19:56:29,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7261ddd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:29, skipping insertion in model container [2023-11-23 19:56:29,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:29" (1/1) ... [2023-11-23 19:56:29,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:30,130 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:30,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:30,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:30,992 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:31,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:31,345 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:31,345 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:31,346 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:31,346 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:31,346 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:31,346 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:31,354 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:31,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31 WrapperNode [2023-11-23 19:56:31,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:31,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:31,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:31,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:31,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,472 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2023-11-23 19:56:31,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:31,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:31,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:31,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:31,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:31,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:31,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:31,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:31,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:31" (1/1) ... [2023-11-23 19:56:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:31,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:31,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:56:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:56:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 19:56:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:56:31,844 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:31,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:32,028 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:32,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:32,138 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:56:32,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:32 BoogieIcfgContainer [2023-11-23 19:56:32,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:32,141 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:32,141 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:32,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:32,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:32" (1/1) ... [2023-11-23 19:56:32,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 19:56:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 19:56:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:56:32,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:32,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:32,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:56:32,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:56:32,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 19:56:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:32,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:56:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:32,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 19:56:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 19:56:32,765 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 19:56:32,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 19:56:32,772 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 19:56:32,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-23 19:56:32,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:56:32 ImpRootNode [2023-11-23 19:56:32,815 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 19:56:32,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 19:56:32,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 19:56:32,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 19:56:32,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:32" (3/4) ... [2023-11-23 19:56:32,820 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 19:56:32,845 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-23 19:56:32,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 19:56:32,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 19:56:32,906 INFO L158 Benchmark]: Toolchain (without parser) took 3435.53ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 49.4MB in the end (delta: 37.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,906 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:32,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1883.80ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 51.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.16ms. Allocated memory is still 115.3MB. Free memory was 51.6MB in the beginning and 89.2MB in the end (delta: -37.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,907 INFO L158 Benchmark]: Boogie Preprocessor took 46.18ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,908 INFO L158 Benchmark]: RCFGBuilder took 619.87ms. Allocated memory is still 115.3MB. Free memory was 87.2MB in the beginning and 68.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,908 INFO L158 Benchmark]: CodeCheck took 673.73ms. Allocated memory is still 115.3MB. Free memory was 68.3MB in the beginning and 51.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,909 INFO L158 Benchmark]: Witness Printer took 86.69ms. Allocated memory is still 115.3MB. Free memory was 51.5MB in the beginning and 49.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:32,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1551]: 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1883.80ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 51.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.16ms. Allocated memory is still 115.3MB. Free memory was 51.6MB in the beginning and 89.2MB in the end (delta: -37.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.18ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.87ms. Allocated memory is still 115.3MB. Free memory was 87.2MB in the beginning and 68.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 673.73ms. Allocated memory is still 115.3MB. Free memory was 68.3MB in the beginning and 51.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 86.69ms. Allocated memory is still 115.3MB. Free memory was 51.5MB in the beginning and 49.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 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 19:56:32,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b30683-2f3c-4b33-8bc3-0f0fd9298b44/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)