./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_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_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/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_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/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_71ac962c-d8f8-47f7-abcd-e4a36fe26467/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 f9c43ca7bb9e2f5daf51acedb5e684f21cc1a964f2d4b07cd8704c77ba32942d --- 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 19:54:06,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:54:06,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:54:06,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:54:06,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:54:06,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:54:06,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:54:06,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:54:06,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:54:06,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:54:06,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:54:06,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:54:06,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:54:06,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:54:06,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:54:06,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:54:06,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:54:06,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:54:06,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:54:06,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:54:06,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:54:06,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:54:06,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:54:06,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:54:06,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:54:06,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:54:06,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:54:06,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:54:06,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:54:06,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:54:06,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:54:06,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:54:06,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:54:06,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:54:06,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:54:06,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:54:06,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:54:06,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:54:06,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:54:06,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:54:06,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:54:06,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 19:54:06,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:54:06,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:54:06,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:54:06,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:54:06,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:54:06,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:54:06,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:54:06,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:54:06,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:54:06,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:54:06,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:54:06,787 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:54:06,787 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:54:06,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:54:06,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:54:06,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:54:06,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:54:06,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:54:06,788 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:54:06,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:54:06,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:54:06,788 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_71ac962c-d8f8-47f7-abcd-e4a36fe26467/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9c43ca7bb9e2f5daf51acedb5e684f21cc1a964f2d4b07cd8704c77ba32942d [2022-12-14 19:54:06,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:54:06,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:54:06,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:54:06,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:54:06,999 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:54:07,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i [2022-12-14 19:54:09,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:54:09,827 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:54:09,828 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_31_good.i [2022-12-14 19:54:09,841 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/data/b5b16d254/a102991efa5c4108adcc829226a016b3/FLAG979310f6b [2022-12-14 19:54:09,851 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/data/b5b16d254/a102991efa5c4108adcc829226a016b3 [2022-12-14 19:54:09,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:54:09,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:54:09,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:54:09,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:54:09,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:54:09,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:54:09" (1/1) ... [2022-12-14 19:54:09,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed2e035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:09, skipping insertion in model container [2022-12-14 19:54:09,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:54:09" (1/1) ... [2022-12-14 19:54:09,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:54:09,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:54:10,142 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 19:54:10,461 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 19:54:10,466 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:54:10,467 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:54:10,469 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:54:10,469 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:54:10,489 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 19:54:10,493 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 19:54:10,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:54:10,501 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:54:10,515 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 19:54:10,549 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 19:54:10,551 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:54:10,552 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:54:10,553 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:54:10,554 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:54:10,558 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 19:54:10,559 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 19:54:10,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:54:10,651 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:54:10,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10 WrapperNode [2022-12-14 19:54:10,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:54:10,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:54:10,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:54:10,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:54:10,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,686 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-12-14 19:54:10,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:54:10,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:54:10,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:54:10,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:54:10,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:54:10,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:54:10,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:54:10,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:54:10,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:10,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:54:10,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:54:10,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:54:10,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 19:54:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 19:54:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:54:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:54:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 19:54:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 19:54:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:54:10,862 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:54:10,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:54:10,968 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:54:10,997 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:54:10,997 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 19:54:11,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:10 BoogieIcfgContainer [2022-12-14 19:54:11,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:54:11,000 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:54:11,001 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:54:11,007 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:54:11,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:10" (1/1) ... [2022-12-14 19:54:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:54:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-12-14 19:54:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-14 19:54:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:54:11,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:54:11,247 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 19:54:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-14 19:54:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 19:54:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:54:11,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:54:11,339 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 19:54:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 19:54:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 19:54:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:54:11,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:54:11,435 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 19:54:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-12-14 19:54:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-14 19:54:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:54:11,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:54:11,516 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 19:54:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-14 19:54:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-14 19:54:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:54:11,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:54:11,648 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 19:54:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 28 transitions. [2022-12-14 19:54:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 19:54:11,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:54:11,686 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-14 19:54:11,693 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 19:54:11,718 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:54:11,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:54:11 ImpRootNode [2022-12-14 19:54:11,722 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:54:11,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:54:11,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:54:11,723 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:54:11,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:10" (3/4) ... [2022-12-14 19:54:11,726 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:54:11,731 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 19:54:11,731 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 19:54:11,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 19:54:11,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 19:54:11,736 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 19:54:11,736 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:54:11,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:54:11,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:54:11,774 INFO L158 Benchmark]: Toolchain (without parser) took 1920.14ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 56.4MB in the end (delta: 46.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-12-14 19:54:11,775 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:54:11,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.86ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 90.1MB in the end (delta: 12.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-12-14 19:54:11,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.16ms. Allocated memory is still 140.5MB. Free memory was 90.1MB in the beginning and 87.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:54:11,776 INFO L158 Benchmark]: Boogie Preprocessor took 16.59ms. Allocated memory is still 140.5MB. Free memory was 87.2MB in the beginning and 85.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:54:11,776 INFO L158 Benchmark]: RCFGBuilder took 296.05ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 71.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 19:54:11,776 INFO L158 Benchmark]: CodeCheck took 721.76ms. Allocated memory is still 140.5MB. Free memory was 70.5MB in the beginning and 59.7MB in the end (delta: 10.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-12-14 19:54:11,777 INFO L158 Benchmark]: Witness Printer took 51.13ms. Allocated memory is still 140.5MB. Free memory was 59.7MB in the beginning and 56.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:54:11,779 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: 0.7s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 70 mSDtfsCounter, 114 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, 0.3s 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: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1601]: 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 140.5MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.86ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 90.1MB in the end (delta: 12.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.16ms. Allocated memory is still 140.5MB. Free memory was 90.1MB in the beginning and 87.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.59ms. Allocated memory is still 140.5MB. Free memory was 87.2MB in the beginning and 85.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.05ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 71.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 721.76ms. Allocated memory is still 140.5MB. Free memory was 70.5MB in the beginning and 59.7MB in the end (delta: 10.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Witness Printer took 51.13ms. Allocated memory is still 140.5MB. Free memory was 59.7MB in the beginning and 56.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:54:11,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ac962c-d8f8-47f7-abcd-e4a36fe26467/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