./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_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_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/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_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/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_55d7fa28-0a73-459e-9c60-6436e3c17e8e/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 c2cc7c55eaa41004ce0784565cd78c535cc17fa0ab194b3afde6d81c40f7f365 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:06,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:06,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:26:06,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:26:06,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:26:06,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:06,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:06,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:06,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:06,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:06,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:06,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:06,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:26:06,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:06,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:06,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:06,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:06,527 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:26:06,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:26:06,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:06,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:06,529 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:06,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:06,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:06,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:06,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:06,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:06,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:06,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:06,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:26:06,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:26:06,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:06,535 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_55d7fa28-0a73-459e-9c60-6436e3c17e8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2cc7c55eaa41004ce0784565cd78c535cc17fa0ab194b3afde6d81c40f7f365 [2023-11-19 03:26:06,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:06,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:06,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:06,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:06,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:06,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_good.i [2023-11-19 03:26:10,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:10,412 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:10,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_32_good.i [2023-11-19 03:26:10,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/data/4120c55c9/3ce429336bf54419a37b7d4fa26c54df/FLAGe516b375f [2023-11-19 03:26:10,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/data/4120c55c9/3ce429336bf54419a37b7d4fa26c54df [2023-11-19 03:26:10,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:10,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:10,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:10,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:10,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:10,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:10" (1/1) ... [2023-11-19 03:26:10,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279592b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:10, skipping insertion in model container [2023-11-19 03:26:10,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:10" (1/1) ... [2023-11-19 03:26:10,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:10,997 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:26:11,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:11,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:11,602 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:26:11,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:11,829 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:11,830 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:11,830 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:11,830 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:11,830 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:11,830 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:26:11,838 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:11,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11 WrapperNode [2023-11-19 03:26:11,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:11,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:11,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:11,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:11,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,903 INFO L138 Inliner]: procedures = 502, calls = 81, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-11-19 03:26:11,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:11,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:11,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:11,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:11,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:11,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:11,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:11,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:11,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:11" (1/1) ... [2023-11-19 03:26:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:11,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:11,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:12,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:26:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:26:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:26:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:26:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:26:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:26:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:26:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:26:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:26:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:26:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:26:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:26:12,232 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:12,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:12,435 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:12,481 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:12,482 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:26:12,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:12 BoogieIcfgContainer [2023-11-19 03:26:12,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:12,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:12,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:12,498 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:12,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:12" (1/1) ... [2023-11-19 03:26:12,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 03:26:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 03:26:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:26:12,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:13,166 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 03:26:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 03:26:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 03:26:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:26:13,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:13,387 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 03:26:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-19 03:26:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-19 03:26:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:26:13,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:13,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:13,772 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 03:26:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2023-11-19 03:26:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-19 03:26:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:26:13,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:13,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:14,045 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 03:26:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-19 03:26:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-19 03:26:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:26:14,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:14,442 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 03:26:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 29 transitions. [2023-11-19 03:26:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 03:26:14,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:26:14,575 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:26:14,585 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:26:14,630 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:26:14,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:26:14 ImpRootNode [2023-11-19 03:26:14,635 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:26:14,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:26:14,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:26:14,637 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:26:14,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:12" (3/4) ... [2023-11-19 03:26:14,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:26:14,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:26:14,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:26:14,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:26:14,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:26:14,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:26:14,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:26:14,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:26:14,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:26:14,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:26:14,780 INFO L158 Benchmark]: Toolchain (without parser) took 4309.82ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 107.9MB in the beginning and 71.7MB in the end (delta: 36.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,780 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:14,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.63ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 66.2MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.03ms. Allocated memory is still 155.2MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,782 INFO L158 Benchmark]: Boogie Preprocessor took 35.42ms. Allocated memory is still 155.2MB. Free memory was 63.0MB in the beginning and 61.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,782 INFO L158 Benchmark]: RCFGBuilder took 545.74ms. Allocated memory is still 155.2MB. Free memory was 61.5MB in the beginning and 42.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,783 INFO L158 Benchmark]: CodeCheck took 2147.86ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 42.6MB in the beginning and 76.8MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:14,783 INFO L158 Benchmark]: Witness Printer took 143.26ms. Allocated memory is still 186.6MB. Free memory was 76.8MB in the beginning and 71.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,785 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: 2.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 73 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 423 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 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: 1562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: 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: 1613]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.63ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 66.2MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.03ms. Allocated memory is still 155.2MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.42ms. Allocated memory is still 155.2MB. Free memory was 63.0MB in the beginning and 61.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.74ms. Allocated memory is still 155.2MB. Free memory was 61.5MB in the beginning and 42.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2147.86ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 42.6MB in the beginning and 76.8MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 143.26ms. Allocated memory is still 186.6MB. Free memory was 76.8MB in the beginning and 71.7MB 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 03:26:14,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d7fa28-0a73-459e-9c60-6436e3c17e8e/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