./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_14_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_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/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_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/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_1f866bb9-0b96-4099-a646-114777fd9834/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 0f1fbdf101008cc9a9029c4165e6f54eb588d83069ddcaa7bb1dac37825c6aa3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:36,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:36,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:15:36,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:36,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:36,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:36,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:36,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:36,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:36,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:36,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:36,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:36,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:36,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:36,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:36,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:36,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:36,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:36,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:36,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:36,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:36,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:36,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:36,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:36,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:36,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:36,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:36,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:36,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:36,308 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:36,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:36,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:36,310 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_1f866bb9-0b96-4099-a646-114777fd9834/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f1fbdf101008cc9a9029c4165e6f54eb588d83069ddcaa7bb1dac37825c6aa3 [2023-11-19 03:15:36,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:36,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:36,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:36,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:36,633 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:36,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_14_good.i [2023-11-19 03:15:40,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:40,479 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:40,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_14_good.i [2023-11-19 03:15:40,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/data/f70b9978d/5ad3aa4f07d74411be01e37719ba1028/FLAGaa63487a8 [2023-11-19 03:15:40,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/data/f70b9978d/5ad3aa4f07d74411be01e37719ba1028 [2023-11-19 03:15:40,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:40,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:40,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:40,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:40,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:40,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:40" (1/1) ... [2023-11-19 03:15:40,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617109d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:40, skipping insertion in model container [2023-11-19 03:15:40,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:40" (1/1) ... [2023-11-19 03:15:40,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:41,098 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:15:41,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:41,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:41,738 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:15:41,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:42,082 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:42,082 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:42,083 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:42,083 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:42,083 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:42,092 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:42,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42 WrapperNode [2023-11-19 03:15:42,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:42,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:42,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:42,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:42,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,200 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2023-11-19 03:15:42,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:42,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:42,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:42,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:42,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:42,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:42,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:42,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:42,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:42,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:42,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:42,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:15:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:15:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:15:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:15:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:15:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:42,587 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:42,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:42,817 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:42,914 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:42,914 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:15:42,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:42 BoogieIcfgContainer [2023-11-19 03:15:42,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:42,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:42,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:42,942 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:42,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:42" (1/1) ... [2023-11-19 03:15:42,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-19 03:15:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-19 03:15:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:15:43,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:43,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:43,436 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 03:15:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:43,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 55 transitions. [2023-11-19 03:15:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-19 03:15:43,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:15:43,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:43,691 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 03:15:43,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 52 transitions. [2023-11-19 03:15:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 03:15:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:15:43,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:43,957 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 03:15:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 44 transitions. [2023-11-19 03:15:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-19 03:15:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:15:44,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,075 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 03:15:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 36 states and 43 transitions. [2023-11-19 03:15:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-19 03:15:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:15:44,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 38 states and 47 transitions. [2023-11-19 03:15:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-19 03:15:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:15:44,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 48 transitions. [2023-11-19 03:15:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 03:15:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:15:44,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 33 states and 38 transitions. [2023-11-19 03:15:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-19 03:15:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:15:44,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 33 states and 37 transitions. [2023-11-19 03:15:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-19 03:15:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:15:44,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 32 states and 36 transitions. [2023-11-19 03:15:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-19 03:15:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:15:44,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:44,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 31 states and 35 transitions. [2023-11-19 03:15:45,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-19 03:15:45,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:15:45,089 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-19 03:15:45,104 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:15:45,227 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:15:45,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:45 ImpRootNode [2023-11-19 03:15:45,232 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:45,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:45,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:45,234 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:45,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:42" (3/4) ... [2023-11-19 03:15:45,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:15:45,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:15:45,241 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:15:45,248 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:15:45,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:15:45,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:15:45,250 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:15:45,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:15:45,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:15:45,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:45,379 INFO L158 Benchmark]: Toolchain (without parser) took 4835.30ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 98.7MB in the beginning and 99.9MB in the end (delta: -1.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-19 03:15:45,380 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:45,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1545.75ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 96.2MB in the end (delta: 2.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-19 03:15:45,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.35ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 93.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:45,381 INFO L158 Benchmark]: Boogie Preprocessor took 62.05ms. Allocated memory is still 138.4MB. Free memory was 93.4MB in the beginning and 92.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:45,382 INFO L158 Benchmark]: RCFGBuilder took 664.82ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 75.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:15:45,382 INFO L158 Benchmark]: CodeCheck took 2302.13ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 75.1MB in the beginning and 105.0MB in the end (delta: -29.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-19 03:15:45,383 INFO L158 Benchmark]: Witness Printer took 145.35ms. Allocated memory is still 188.7MB. Free memory was 105.0MB in the beginning and 99.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:45,385 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 750 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 580 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 458 mSDtfsCounter, 531 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1512 GetRequests, 1490 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 48/48 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1545.75ms. Allocated memory is still 138.4MB. Free memory was 98.2MB in the beginning and 96.2MB in the end (delta: 2.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.35ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 93.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.05ms. Allocated memory is still 138.4MB. Free memory was 93.4MB in the beginning and 92.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 664.82ms. Allocated memory is still 138.4MB. Free memory was 92.1MB in the beginning and 75.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2302.13ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 75.1MB in the beginning and 105.0MB in the end (delta: -29.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 145.35ms. Allocated memory is still 188.7MB. Free memory was 105.0MB in the beginning and 99.9MB 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 03:15:45,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f866bb9-0b96-4099-a646-114777fd9834/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