./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_54_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/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_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_54_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/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_019e8c60-ab23-4781-9bb5-4996ba064bc2/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 c4e07b616db44768ec9fe5ede660857622390db350b9ec887432005e224bd3b3 --- 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 [2022-12-14 20:09:46,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:09:46,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:09:46,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:09:46,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:09:46,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:09:46,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:09:46,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:09:46,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:09:46,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:09:46,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:09:46,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:09:46,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:09:46,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:09:46,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:09:46,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:09:46,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:09:46,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:09:46,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:09:46,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:09:46,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:09:46,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:09:46,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:09:46,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:09:46,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:09:46,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:09:46,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:09:46,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:09:46,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:09:46,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:09:46,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:09:46,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:09:46,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:09:46,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:09:46,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:09:46,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:09:46,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:09:46,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:09:46,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:09:46,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:09:46,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:09:46,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:09:46,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:09:46,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:09:46,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:09:46,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:09:46,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:09:46,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:09:46,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:09:46,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:09:46,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:09:46,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:46,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:09:46,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:09:46,606 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_019e8c60-ab23-4781-9bb5-4996ba064bc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4e07b616db44768ec9fe5ede660857622390db350b9ec887432005e224bd3b3 [2022-12-14 20:09:46,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:09:46,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:09:46,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:09:46,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:09:46,821 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:09:46,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_54_good.i [2022-12-14 20:09:49,488 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:09:49,726 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:09:49,727 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_54_good.i [2022-12-14 20:09:49,743 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/data/6f54464c7/87f9401df9dc4e758ac3ebcec7d95631/FLAG8b88d9490 [2022-12-14 20:09:49,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/data/6f54464c7/87f9401df9dc4e758ac3ebcec7d95631 [2022-12-14 20:09:49,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:09:49,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:09:49,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:49,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:09:49,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:09:49,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:49" (1/1) ... [2022-12-14 20:09:49,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5266c468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:49, skipping insertion in model container [2022-12-14 20:09:49,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:49" (1/1) ... [2022-12-14 20:09:49,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:09:49,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:50,089 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:09:50,395 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:09:50,401 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:50,403 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:50,406 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:50,406 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:50,428 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 20:09:50,432 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:09:50,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:50,454 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:09:50,475 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:09:50,525 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:09:50,527 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:50,528 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:50,530 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:50,530 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:50,534 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 20:09:50,536 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:09:50,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:50,649 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:09:50,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50 WrapperNode [2022-12-14 20:09:50,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:50,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:50,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:09:50,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:09:50,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,703 INFO L138 Inliner]: procedures = 510, calls = 75, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 83 [2022-12-14 20:09:50,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:50,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:09:50,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:09:50,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:09:50,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,725 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:09:50,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:09:50,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:09:50,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:09:50,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:50" (1/1) ... [2022-12-14 20:09:50,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:09:50,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:09:50,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:09:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 20:09:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 20:09:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 20:09:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 20:09:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 20:09:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:09:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 20:09:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:09:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:09:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:09:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:09:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 20:09:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:09:50,926 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:09:50,929 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:09:51,066 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:09:51,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:09:51,095 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 20:09:51,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:51 BoogieIcfgContainer [2022-12-14 20:09:51,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:09:51,099 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:09:51,099 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:09:51,108 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:09:51,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:51" (1/1) ... [2022-12-14 20:09:51,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:09:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-12-14 20:09:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-14 20:09:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:09:51,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:51,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-14 20:09:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 20:09:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:09:51,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:51,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 20:09:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 20:09:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 20:09:51,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-12-14 20:09:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-14 20:09:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:09:51,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-14 20:09:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-14 20:09:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:09:51,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:09:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 28 transitions. [2022-12-14 20:09:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 20:09:51,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:09:51,887 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-14 20:09:51,894 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 20:09:51,920 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:09:51,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:09:51 ImpRootNode [2022-12-14 20:09:51,924 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:09:51,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:09:51,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:09:51,925 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:09:51,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:51" (3/4) ... [2022-12-14 20:09:51,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:09:51,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 20:09:51,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 20:09:51,938 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2022-12-14 20:09:51,939 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 20:09:51,939 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 20:09:51,939 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:09:51,982 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:09:51,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:09:51,983 INFO L158 Benchmark]: Toolchain (without parser) took 2221.71ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 90.3MB in the beginning and 78.5MB in the end (delta: 11.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-12-14 20:09:51,983 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:51,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.05ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 59.3MB in the end (delta: 30.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-12-14 20:09:51,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.21ms. Allocated memory is still 132.1MB. Free memory was 58.7MB in the beginning and 55.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:09:51,984 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 132.1MB. Free memory was 55.7MB in the beginning and 54.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:51,984 INFO L158 Benchmark]: RCFGBuilder took 368.90ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 54.5MB in the beginning and 112.4MB in the end (delta: -57.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-12-14 20:09:51,985 INFO L158 Benchmark]: CodeCheck took 824.90ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 82.6MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-12-14 20:09:51,985 INFO L158 Benchmark]: Witness Printer took 57.45ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 78.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:09:51,987 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 67 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 432 GetRequests, 415 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: 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: 1584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.05ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 59.3MB in the end (delta: 30.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.21ms. Allocated memory is still 132.1MB. Free memory was 58.7MB in the beginning and 55.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 132.1MB. Free memory was 55.7MB in the beginning and 54.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.90ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 54.5MB in the beginning and 112.4MB in the end (delta: -57.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 824.90ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 82.6MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 57.45ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 78.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:09:52,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019e8c60-ab23-4781-9bb5-4996ba064bc2/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