./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 7568040942daf0fdb5c1c97bb54f649b900f8764060561eea9b9269426b5697e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:28:43,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:28:43,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:28:43,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:28:43,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:28:43,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:28:43,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:28:43,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:28:43,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:28:43,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:28:43,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:28:43,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:28:43,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:28:43,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:28:43,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:28:43,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:28:43,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:28:43,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:28:43,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:28:43,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:28:43,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:28:43,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:28:43,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:28:43,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:28:43,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:28:43,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:28:43,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:28:43,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:28:43,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:28:43,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:28:43,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:28:43,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:28:43,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:28:43,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:28:43,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:28:43,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:28:43,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:28:43,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:28:43,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:28:43,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:28:43,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:28:43,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:28:43,623 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:28:43,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:28:43,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:28:43,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:28:43,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:28:43,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:28:43,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:28:43,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:28:43,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:28:43,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:28:43,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:28:43,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:28:43,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:28:43,626 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:28:43,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:28:43,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:28:43,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:28:43,627 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:28:43,627 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:28:43,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:28:43,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:28:43,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:28:43,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:28:43,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:28:43,628 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:28:43,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:28:43,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:28:43,629 INFO L138 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_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7568040942daf0fdb5c1c97bb54f649b900f8764060561eea9b9269426b5697e [2022-12-15 01:28:43,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:28:43,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:28:43,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:28:43,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:28:43,823 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:28:43,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i [2022-12-15 01:28:46,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:28:46,653 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:28:46,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i [2022-12-15 01:28:46,668 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/data/25de31f0a/176e0c93419f4b82841bf7d4d547b127/FLAG0ed8b12c4 [2022-12-15 01:28:46,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/data/25de31f0a/176e0c93419f4b82841bf7d4d547b127 [2022-12-15 01:28:46,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:28:46,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:28:46,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:28:46,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:28:46,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:28:46,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:28:46" (1/1) ... [2022-12-15 01:28:46,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f44157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:46, skipping insertion in model container [2022-12-15 01:28:46,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:28:46" (1/1) ... [2022-12-15 01:28:46,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:28:46,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:28:46,958 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:28:47,246 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:28:47,251 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:47,252 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:47,254 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:47,254 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:47,274 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:47,278 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:47,284 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:28:47,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:28:47,293 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:28:47,307 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:28:47,357 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:28:47,359 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:47,359 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:47,361 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:47,361 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:47,365 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:47,367 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:47,369 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:28:47,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:28:47,452 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:28:47,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47 WrapperNode [2022-12-15 01:28:47,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:28:47,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:28:47,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:28:47,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:28:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,492 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 107 [2022-12-15 01:28:47,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:28:47,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:28:47,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:28:47,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:28:47,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:28:47,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:28:47,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:28:47,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:28:47,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:28:47,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:28:47,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:28:47,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:28:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:28:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:28:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:28:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:28:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:28:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:28:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:28:47,682 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:28:47,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:28:47,862 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:28:47,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:28:47,894 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:28:47,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:28:47 BoogieIcfgContainer [2022-12-15 01:28:47,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:28:47,897 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:28:47,897 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:28:47,907 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:28:47,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:28:47" (1/1) ... [2022-12-15 01:28:47,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:28:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2022-12-15 01:28:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-12-15 01:28:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:28:47,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:47,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-12-15 01:28:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-12-15 01:28:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:28:48,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:48,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-12-15 01:28:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-12-15 01:28:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:28:48,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:48,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-12-15 01:28:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-12-15 01:28:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:28:48,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-12-15 01:28:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-12-15 01:28:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:28:48,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:48,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2022-12-15 01:28:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-12-15 01:28:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:28:48,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:48,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2022-12-15 01:28:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2022-12-15 01:28:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:28:48,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:48,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:48,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-12-15 01:28:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-12-15 01:28:48,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:28:48,756 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 01:28:48,763 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 01:28:48,792 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:28:48,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:28:48 ImpRootNode [2022-12-15 01:28:48,797 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:28:48,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:28:48,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:28:48,797 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:28:48,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:28:47" (3/4) ... [2022-12-15 01:28:48,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:28:48,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:28:48,807 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:28:48,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-15 01:28:48,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:28:48,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:28:48,813 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:28:48,813 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:28:48,860 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:28:48,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:28:48,861 INFO L158 Benchmark]: Toolchain (without parser) took 2178.95ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 80.6MB in the beginning and 60.0MB in the end (delta: 20.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,862 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:28:48,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.88ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 80.1MB in the beginning and 108.5MB in the end (delta: -28.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.35ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 105.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,863 INFO L158 Benchmark]: Boogie Preprocessor took 19.04ms. Allocated memory is still 180.4MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,863 INFO L158 Benchmark]: RCFGBuilder took 383.77ms. Allocated memory is still 180.4MB. Free memory was 104.3MB in the beginning and 85.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,864 INFO L158 Benchmark]: CodeCheck took 899.40ms. Allocated memory is still 180.4MB. Free memory was 85.4MB in the beginning and 63.0MB in the end (delta: 22.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,864 INFO L158 Benchmark]: Witness Printer took 63.59ms. Allocated memory is still 180.4MB. Free memory was 63.0MB in the beginning and 60.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:28:48,866 INFO L339 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, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 433 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 230 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 909 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1657]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.88ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 80.1MB in the beginning and 108.5MB in the end (delta: -28.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.35ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 105.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.04ms. Allocated memory is still 180.4MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.77ms. Allocated memory is still 180.4MB. Free memory was 104.3MB in the beginning and 85.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 899.40ms. Allocated memory is still 180.4MB. Free memory was 85.4MB in the beginning and 63.0MB in the end (delta: 22.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 63.59ms. Allocated memory is still 180.4MB. Free memory was 63.0MB in the beginning and 60.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:28:48,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da7b441-c7d1-4d65-99b5-f5b37e69b52b/bin/ukojak-rkRKPMF4O4/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