./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL --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 da595076c3b37077e3828dd423e2ff0eaaa16cae3f0c05912ceae83939fdaba2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:32,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:32,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:44:32,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:32,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:32,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:32,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:32,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:32,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:32,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:32,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:32,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:32,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:32,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:32,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:32,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:32,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:32,276 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:44:32,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:32,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:32,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:32,278 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:32,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:32,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:32,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:32,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:32,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:32,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:32,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:32,282 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:32,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:32,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:32,283 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_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da595076c3b37077e3828dd423e2ff0eaaa16cae3f0c05912ceae83939fdaba2 [2023-11-19 02:44:32,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:32,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:32,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:32,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:32,594 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:32,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2023-11-19 02:44:35,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:36,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:36,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_52_bad.i [2023-11-19 02:44:36,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/data/88e5de072/aad0f0a52c874da6b76d5a1e500e2f7e/FLAG1ab6bf767 [2023-11-19 02:44:36,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/data/88e5de072/aad0f0a52c874da6b76d5a1e500e2f7e [2023-11-19 02:44:36,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:36,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:36,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:36,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:36,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:36,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:36" (1/1) ... [2023-11-19 02:44:36,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9e7a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:36, skipping insertion in model container [2023-11-19 02:44:36,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:36" (1/1) ... [2023-11-19 02:44:36,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:36,679 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:44:37,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:37,212 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:37,234 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:44:37,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:37,414 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:37,415 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:37,415 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:37,415 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:37,415 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:37,423 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:37,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37 WrapperNode [2023-11-19 02:44:37,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:37,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:37,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:37,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:37,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,489 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 41 [2023-11-19 02:44:37,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:37,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:37,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:37,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:37,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:37,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:37,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:37,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:37,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:37" (1/1) ... [2023-11-19 02:44:37,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:37,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:37,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:44:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:44:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:44:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:37,864 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:37,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:38,041 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:38,098 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:38,098 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:44:38,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:38 BoogieIcfgContainer [2023-11-19 02:44:38,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:38,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:38,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:38,116 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:38,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:38" (1/1) ... [2023-11-19 02:44:38,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 02:44:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 02:44:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:44:38,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:38,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:44:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:38,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:44:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:38,551 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:44:38,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:44:38 ImpRootNode [2023-11-19 02:44:38,587 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:44:38,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:44:38,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:44:38,590 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:44:38,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:38" (3/4) ... [2023-11-19 02:44:38,592 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:44:38,665 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:44:38,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:44:38,667 INFO L158 Benchmark]: Toolchain (without parser) took 2491.60ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 77.1MB in the beginning and 121.0MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:38,667 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:38,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.42ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 76.7MB in the beginning and 103.3MB in the end (delta: -26.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-19 02:44:38,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.05ms. Allocated memory is still 182.5MB. Free memory was 103.3MB in the beginning and 99.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:44:38,669 INFO L158 Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 182.5MB. Free memory was 99.9MB in the beginning and 99.1MB in the end (delta: 725.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:38,669 INFO L158 Benchmark]: RCFGBuilder took 578.70ms. Allocated memory is still 182.5MB. Free memory was 99.1MB in the beginning and 138.8MB in the end (delta: -39.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:44:38,670 INFO L158 Benchmark]: CodeCheck took 480.86ms. Allocated memory is still 182.5MB. Free memory was 138.8MB in the beginning and 124.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:44:38,671 INFO L158 Benchmark]: Witness Printer took 77.30ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 121.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:38,673 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: 0.4s, 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: 1573]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:12}, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_52c_badSink(data) [L1571] 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] [L1573] 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 0.36ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.42ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 76.7MB in the beginning and 103.3MB in the end (delta: -26.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.05ms. Allocated memory is still 182.5MB. Free memory was 103.3MB in the beginning and 99.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.94ms. Allocated memory is still 182.5MB. Free memory was 99.9MB in the beginning and 99.1MB in the end (delta: 725.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 578.70ms. Allocated memory is still 182.5MB. Free memory was 99.1MB in the beginning and 138.8MB in the end (delta: -39.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 480.86ms. Allocated memory is still 182.5MB. Free memory was 138.8MB in the beginning and 124.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 77.30ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 121.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:44:38,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c799c80e-3c99-46db-833c-0bcc65a59798/bin/ukojak-verify-G8NBE6pJGL/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)