./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_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_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/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_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/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_9d64833a-beec-418a-9b6e-dba4eac17ef5/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 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:22,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:22,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:22,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:22,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:22,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:22,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:22,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:22,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:22,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:22,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:22,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:22,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:22,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:22,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:22,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:22,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:22,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:22,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:22,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:22,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:22,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:22,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:22,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:22,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:22,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:22,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:22,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:22,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:22,271 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:22,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:22,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:22,273 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_9d64833a-beec-418a-9b6e-dba4eac17ef5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2023-11-23 20:07:22,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:22,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:22,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:22,602 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:22,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:22,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2023-11-23 20:07:25,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:25,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:25,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2023-11-23 20:07:25,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data/4fd2b5d6f/350233e3b6fe447995198e54493be50b/FLAG2ec2f7840 [2023-11-23 20:07:26,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data/4fd2b5d6f/350233e3b6fe447995198e54493be50b [2023-11-23 20:07:26,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:26,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:26,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:26,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:26,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:26,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efef3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26, skipping insertion in model container [2023-11-23 20:07:26,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,126 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:26,474 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:27,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:27,027 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:27,048 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:27,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:27,266 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:27,267 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:27,267 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:27,267 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:27,267 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:27,268 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:27,275 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:27,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27 WrapperNode [2023-11-23 20:07:27,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:27,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:27,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:27,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:27,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,340 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 92 [2023-11-23 20:07:27,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:27,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:27,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:27,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:27,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:27,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:27,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:27,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:27,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:27" (1/1) ... [2023-11-23 20:07:27,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:27,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:27,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:27,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:07:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:07:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:07:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:27,713 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:27,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:27,993 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:28,193 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:28,194 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:07:28,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:28 BoogieIcfgContainer [2023-11-23 20:07:28,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:28,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:28,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:28,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:28,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:28" (1/1) ... [2023-11-23 20:07:28,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:07:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:07:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:28,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:28,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:29,018 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:07:29,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:29 ImpRootNode [2023-11-23 20:07:29,054 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:29,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:29,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:29,058 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:29,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:28" (3/4) ... [2023-11-23 20:07:29,063 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:07:29,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:29,065 INFO L158 Benchmark]: Toolchain (without parser) took 3047.12ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 82.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-23 20:07:29,066 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:29,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.45ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 100.1MB in the end (delta: 4.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2023-11-23 20:07:29,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.56ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 97.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:07:29,069 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:29,070 INFO L158 Benchmark]: RCFGBuilder took 821.07ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 58.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:07:29,071 INFO L158 Benchmark]: CodeCheck took 858.23ms. Allocated memory is still 151.0MB. Free memory was 58.2MB in the beginning and 83.0MB in the end (delta: -24.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:29,071 INFO L158 Benchmark]: Witness Printer took 7.72ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 993.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:29,081 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1552]: 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)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_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) [L1550] COND TRUE data < 0 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] [L1552] data * 2 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.45ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 100.1MB in the end (delta: 4.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.56ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 97.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 821.07ms. Allocated memory is still 151.0MB. Free memory was 95.9MB in the beginning and 58.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 858.23ms. Allocated memory is still 151.0MB. Free memory was 58.2MB in the beginning and 83.0MB in the end (delta: -24.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.72ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 993.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:07:29,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/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_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/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_9d64833a-beec-418a-9b6e-dba4eac17ef5/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 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:31,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:31,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:07:31,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:31,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:31,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:31,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:31,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:31,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:31,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:31,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:31,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:31,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:31,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:31,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:07:31,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:07:31,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:31,959 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:07:31,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:31,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:31,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:31,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:31,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:31,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:31,963 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:31,964 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:07:31,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:31,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:31,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:31,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:31,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:31,967 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:07:31,967 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:31,968 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:31,968 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:07:31,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:07:31,969 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_9d64833a-beec-418a-9b6e-dba4eac17ef5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2023-11-23 20:07:32,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:32,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:32,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:32,385 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:32,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:32,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2023-11-23 20:07:35,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:35,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:35,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2023-11-23 20:07:35,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data/6316e1158/b972c615a71c42ad8bdf234fcfa49f90/FLAG5df6f7157 [2023-11-23 20:07:35,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/data/6316e1158/b972c615a71c42ad8bdf234fcfa49f90 [2023-11-23 20:07:35,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:35,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:35,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:35,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:35,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:35,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:35" (1/1) ... [2023-11-23 20:07:35,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d1dfe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:35, skipping insertion in model container [2023-11-23 20:07:35,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:35" (1/1) ... [2023-11-23 20:07:36,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:36,544 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:37,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:37,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:37,042 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:37,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:37,253 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,253 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,253 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,253 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,254 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,254 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:37,262 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:37,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37 WrapperNode [2023-11-23 20:07:37,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:37,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:37,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:37,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:37,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,333 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2023-11-23 20:07:37,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:37,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:37,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:37,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:37,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:37,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:37,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:37,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:37,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:37,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:37,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:37,451 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:07:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:07:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:07:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:07:37,641 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:37,643 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:37,769 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:37,840 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:37,840 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:07:37,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:37 BoogieIcfgContainer [2023-11-23 20:07:37,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:37,843 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:37,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:37,865 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:37,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:37" (1/1) ... [2023-11-23 20:07:37,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:07:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:07:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:37,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:07:37,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:07:37,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:07:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:38,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:38,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:38,354 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:07:38,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:07:38,361 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:07:38,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:38 ImpRootNode [2023-11-23 20:07:38,401 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:38,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:38,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:38,403 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:38,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:37" (3/4) ... [2023-11-23 20:07:38,405 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:07:38,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:07:38,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:38,483 INFO L158 Benchmark]: Toolchain (without parser) took 2499.04ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.2MB in the beginning and 37.6MB in the end (delta: 3.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,483 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 69.2MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:38,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1276.60ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 54.9MB in the end (delta: -13.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.41ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 52.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,485 INFO L158 Benchmark]: Boogie Preprocessor took 35.35ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 50.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,485 INFO L158 Benchmark]: RCFGBuilder took 472.02ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 55.4MB in the end (delta: -5.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,485 INFO L158 Benchmark]: CodeCheck took 558.04ms. Allocated memory is still 86.0MB. Free memory was 55.4MB in the beginning and 39.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,486 INFO L158 Benchmark]: Witness Printer took 78.69ms. Allocated memory is still 86.0MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:38,493 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1552]: 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_multiply_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) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073774592, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073774592, data=-1073774592, 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 0.61ms. Allocated memory is still 69.2MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1276.60ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 54.9MB in the end (delta: -13.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.41ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 52.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.35ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 50.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.02ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 55.4MB in the end (delta: -5.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 558.04ms. Allocated memory is still 86.0MB. Free memory was 55.4MB in the beginning and 39.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 78.69ms. Allocated memory is still 86.0MB. Free memory was 39.7MB in the beginning and 37.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:07:38,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64833a-beec-418a-9b6e-dba4eac17ef5/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)