./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_12_good.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_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/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_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/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_fdc07970-5370-4a4e-bc60-478edaa45b79/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 532af9dcc4af42e364296b7ff93ad21bf24fa9f6ff3ecd863d7eca75875617b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:56,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:57,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:04:57,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:57,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:57,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:57,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:57,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:57,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:57,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:57,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:57,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:57,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:57,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:57,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:57,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:57,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:57,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:04:57,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:57,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:57,148 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:57,152 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:57,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:57,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:57,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:57,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:57,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:57,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:57,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:57,156 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:57,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:57,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:57,158 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_fdc07970-5370-4a4e-bc60-478edaa45b79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 532af9dcc4af42e364296b7ff93ad21bf24fa9f6ff3ecd863d7eca75875617b3 [2023-11-19 04:04:57,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:57,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:57,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:57,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:57,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:57,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_12_good.i [2023-11-19 04:05:00,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:01,353 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:01,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_12_good.i [2023-11-19 04:05:01,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/data/55d773122/f033e1098f6341549f02497d508a762f/FLAG313b784e1 [2023-11-19 04:05:01,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/data/55d773122/f033e1098f6341549f02497d508a762f [2023-11-19 04:05:01,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:01,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:01,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:01,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:01,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:01,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590cf03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:01, skipping insertion in model container [2023-11-19 04:05:01,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:01" (1/1) ... [2023-11-19 04:05:01,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:02,046 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:05:02,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:02,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:02,963 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:05:03,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:03,205 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:03,205 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:03,206 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:03,206 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:03,206 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:03,215 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:03,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03 WrapperNode [2023-11-19 04:05:03,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:03,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:03,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:03,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:03,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,295 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 04:05:03,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:03,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:03,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:03,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:03,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:03,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:03,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:03,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:03,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:03,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:03,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:03,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:05:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:05:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-19 04:05:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-19 04:05:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:05:03,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:05:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:03,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:05:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:03,587 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:03,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:03,859 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:03,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:03,972 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:05:03,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:03 BoogieIcfgContainer [2023-11-19 04:05:03,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:03,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:03,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:03,996 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:03,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:03" (1/1) ... [2023-11-19 04:05:04,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2023-11-19 04:05:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-19 04:05:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:05:04,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 56 transitions. [2023-11-19 04:05:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-19 04:05:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:05:04,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:04,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 48 transitions. [2023-11-19 04:05:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-19 04:05:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:05:04,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:05:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 47 transitions. [2023-11-19 04:05:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 04:05:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:05:05,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:05,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:05:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 46 transitions. [2023-11-19 04:05:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-19 04:05:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:05:05,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:05,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:05:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 45 transitions. [2023-11-19 04:05:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-19 04:05:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:05:05,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:05:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 44 transitions. [2023-11-19 04:05:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-19 04:05:05,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:05:05,487 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 04:05:05,499 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 04:05:05,555 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:05:05,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:05:05 ImpRootNode [2023-11-19 04:05:05,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:05:05,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:05:05,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:05:05,562 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:05:05,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:03" (3/4) ... [2023-11-19 04:05:05,566 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:05:05,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:05:05,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-19 04:05:05,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:05:05,584 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 04:05:05,585 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 04:05:05,585 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:05:05,586 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:05:05,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:05:05,751 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:05:05,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:05:05,752 INFO L158 Benchmark]: Toolchain (without parser) took 4334.75ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 73.4MB in the end (delta: 48.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,753 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 92.4MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:05,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1796.57ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 129.0MB in the end (delta: -6.8MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.53ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 125.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,754 INFO L158 Benchmark]: Boogie Preprocessor took 31.31ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 124.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,755 INFO L158 Benchmark]: RCFGBuilder took 652.86ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 107.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,755 INFO L158 Benchmark]: CodeCheck took 1578.51ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 78.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,756 INFO L158 Benchmark]: Witness Printer took 189.65ms. Allocated memory is still 167.8MB. Free memory was 78.6MB in the beginning and 73.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:05:05,758 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 4 procedures, 52 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 236 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 920 GetRequests, 913 SyntacticMatches, 3 SemanticMatches, 4 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, 0.8s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 60/60 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 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 92.4MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1796.57ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 129.0MB in the end (delta: -6.8MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.53ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 125.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.31ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 124.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.86ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 107.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1578.51ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 78.6MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 189.65ms. Allocated memory is still 167.8MB. Free memory was 78.6MB in the beginning and 73.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:05:05,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc07970-5370-4a4e-bc60-478edaa45b79/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE