./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/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_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/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_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/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 b6966849e9998b1b7a0dfeb346635137c39daa72a7103133ce0f0a6a25b29e2b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:34,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:35,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:07:35,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:35,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:35,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:35,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:35,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:35,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:35,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:35,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:35,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:35,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:35,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:35,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:35,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:35,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:35,232 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:07:35,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:07:35,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:35,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:35,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:35,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:35,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:35,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:35,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:35,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:35,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:35,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:35,241 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:35,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:35,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:35,243 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_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6966849e9998b1b7a0dfeb346635137c39daa72a7103133ce0f0a6a25b29e2b [2023-11-19 03:07:35,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:35,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:35,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:35,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:35,669 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:35,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_good.i [2023-11-19 03:07:39,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:39,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:39,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_good.i [2023-11-19 03:07:39,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/data/11d63f82e/e1a8f471c4fa4cb3a1ed5a049a09663d/FLAG5d88b6033 [2023-11-19 03:07:39,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/data/11d63f82e/e1a8f471c4fa4cb3a1ed5a049a09663d [2023-11-19 03:07:39,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:39,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:39,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:39,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:39,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:39,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a86240f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39, skipping insertion in model container [2023-11-19 03:07:39,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:40,482 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:07:41,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:41,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:41,422 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:07:41,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:41,785 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:41,785 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:41,786 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:41,786 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:41,786 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:41,786 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:07:41,796 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:41,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41 WrapperNode [2023-11-19 03:07:41,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:41,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:41,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:41,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:41,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,912 INFO L138 Inliner]: procedures = 502, calls = 77, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 03:07:41,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:41,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:41,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:41,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:41,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:41,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:41,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:41,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:41,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:41" (1/1) ... [2023-11-19 03:07:41,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:41,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:41,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:42,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:07:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:07:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:07:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:07:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:07:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:07:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:07:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:42,247 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:42,249 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:42,466 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:42,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:42,524 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:42,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:42 BoogieIcfgContainer [2023-11-19 03:07:42,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:42,530 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:42,530 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:42,543 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:42,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:42" (1/1) ... [2023-11-19 03:07:42,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 03:07:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 03:07:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:07:42,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:42,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 03:07:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 03:07:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:43,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:43,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-19 03:07:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-19 03:07:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:07:43,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-19 03:07:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-19 03:07:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:07:43,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-19 03:07:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-19 03:07:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:07:43,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:43,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:44,077 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 03:07:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 29 transitions. [2023-11-19 03:07:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 03:07:44,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:07:44,149 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:07:44,159 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:07:44,205 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:07:44,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:44 ImpRootNode [2023-11-19 03:07:44,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:44,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:44,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:44,212 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:44,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:42" (3/4) ... [2023-11-19 03:07:44,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:07:44,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:07:44,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:07:44,229 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:07:44,229 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 03:07:44,230 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:07:44,230 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:07:44,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:07:44,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:07:44,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:44,397 INFO L158 Benchmark]: Toolchain (without parser) took 4558.77ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 129.8MB in the end (delta: 4.8MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:44,397 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:44,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1955.02ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 126.6MB in the end (delta: 8.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:44,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.14ms. Allocated memory is still 167.8MB. Free memory was 126.6MB in the beginning and 123.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:44,399 INFO L158 Benchmark]: Boogie Preprocessor took 36.43ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 122.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:44,400 INFO L158 Benchmark]: RCFGBuilder took 578.22ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 105.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:07:44,400 INFO L158 Benchmark]: CodeCheck took 1679.74ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 63.1MB in the end (delta: 42.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:44,401 INFO L158 Benchmark]: Witness Printer took 184.43ms. Allocated memory is still 167.8MB. Free memory was 63.1MB in the beginning and 129.8MB in the end (delta: -66.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:44,404 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 3 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 67 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 432 GetRequests, 415 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1608]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1955.02ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 126.6MB in the end (delta: 8.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.14ms. Allocated memory is still 167.8MB. Free memory was 126.6MB in the beginning and 123.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.43ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 122.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 578.22ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 105.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1679.74ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 63.1MB in the end (delta: 42.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Witness Printer took 184.43ms. Allocated memory is still 167.8MB. Free memory was 63.1MB in the beginning and 129.8MB in the end (delta: -66.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:07:44,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530f39c0-1c8c-44ef-ad40-b25b6d9d11d8/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 Result: TRUE