./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg --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 2d324caa429af1de6f3e438b0cbbed76f78ad17844be80af6a385f4f20e6ee6d --- 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-b5237d8 [2022-11-21 22:20:18,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:20:18,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:20:18,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:20:18,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:20:18,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:20:18,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:20:18,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:20:18,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:20:18,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:20:18,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:20:18,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:20:18,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:20:18,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:20:18,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:20:18,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:20:18,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:20:18,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:20:18,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:20:18,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:20:18,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:20:18,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:20:18,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:20:18,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:20:18,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:20:18,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:20:18,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:20:18,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:20:18,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:20:18,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:20:18,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:20:18,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:20:18,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:20:18,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:20:18,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:20:18,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:20:18,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:20:18,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:20:18,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:20:18,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:20:18,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:20:18,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:20:18,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:20:18,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:20:18,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:20:18,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:20:18,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:20:18,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:20:18,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:20:18,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:20:18,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:20:18,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:20:18,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:20:18,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:20:18,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:20:18,549 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:20:18,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:20:18,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:20:18,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:20:18,550 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:20:18,550 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:20:18,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:20:18,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:20:18,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:20:18,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:20:18,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:20:18,552 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:20:18,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:20:18,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:20:18,552 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_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d324caa429af1de6f3e438b0cbbed76f78ad17844be80af6a385f4f20e6ee6d [2022-11-21 22:20:18,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:20:18,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:20:18,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:20:18,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:20:18,834 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:20:18,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_good.i [2022-11-21 22:20:21,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:20:22,327 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:20:22,328 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_64_good.i [2022-11-21 22:20:22,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/data/6bdd96f6b/e9cac094771e481aa73f3018c914d18c/FLAG8ff8cc192 [2022-11-21 22:20:22,372 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/data/6bdd96f6b/e9cac094771e481aa73f3018c914d18c [2022-11-21 22:20:22,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:20:22,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:20:22,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:20:22,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:20:22,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:20:22,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:22" (1/1) ... [2022-11-21 22:20:22,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f685c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:22, skipping insertion in model container [2022-11-21 22:20:22,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:22" (1/1) ... [2022-11-21 22:20:22,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:20:22,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:20:22,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:20:23,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:20:23,497 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:20:23,519 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:20:23,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:20:23,767 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:20:23,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23 WrapperNode [2022-11-21 22:20:23,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:20:23,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:20:23,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:20:23,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:20:23,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,878 INFO L138 Inliner]: procedures = 504, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 83 [2022-11-21 22:20:23,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:20:23,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:20:23,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:20:23,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:20:23,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:20:23,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:20:23,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:20:23,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:20:23,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:23" (1/1) ... [2022-11-21 22:20:23,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:20:23,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:20:23,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:20:24,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:20:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:20:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:20:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:20:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:20:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:20:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:20:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:20:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:20:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:20:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:20:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:20:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:20:24,285 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:20:24,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:20:24,520 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:20:24,559 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:20:24,560 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:20:24,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:24 BoogieIcfgContainer [2022-11-21 22:20:24,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:20:24,564 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:20:24,564 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:20:24,576 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:20:24,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:24" (1/1) ... [2022-11-21 22:20:24,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:20:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-21 22:20:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-21 22:20:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:20:24,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:24,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 22:20:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 22:20:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:20:25,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 22:20:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 22:20:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:20:25,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:25,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 22:20:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 22:20:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:20:25,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-21 22:20:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 22:20:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:20:26,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:20:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 28 transitions. [2022-11-21 22:20:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 22:20:26,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:20:26,701 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-21 22:20:26,711 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:20:26,768 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:20:26,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:20:26 ImpRootNode [2022-11-21 22:20:26,777 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:20:26,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:20:26,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:20:26,779 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:20:26,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:24" (3/4) ... [2022-11-21 22:20:26,787 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:20:26,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:20:26,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:20:26,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-21 22:20:26,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:20:26,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:20:26,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:20:26,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:20:26,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:20:26,864 INFO L158 Benchmark]: Toolchain (without parser) took 4487.37ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 68.9MB in the end (delta: 56.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,865 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:20:26,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.30ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 108.0MB in the end (delta: 17.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.83ms. Allocated memory is still 172.0MB. Free memory was 108.0MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,866 INFO L158 Benchmark]: Boogie Preprocessor took 66.52ms. Allocated memory is still 172.0MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,867 INFO L158 Benchmark]: RCFGBuilder took 615.16ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 84.9MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,867 INFO L158 Benchmark]: CodeCheck took 2213.36ms. Allocated memory is still 172.0MB. Free memory was 84.9MB in the beginning and 72.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,868 INFO L158 Benchmark]: Witness Printer took 85.06ms. Allocated memory is still 172.0MB. Free memory was 72.1MB in the beginning and 68.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:20:26,870 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: 2.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 76 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 434 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 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: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1603]: 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 0.60ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.30ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 108.0MB in the end (delta: 17.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.83ms. Allocated memory is still 172.0MB. Free memory was 108.0MB in the beginning and 105.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.52ms. Allocated memory is still 172.0MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.16ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 84.9MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2213.36ms. Allocated memory is still 172.0MB. Free memory was 84.9MB in the beginning and 72.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 85.06ms. Allocated memory is still 172.0MB. Free memory was 72.1MB in the beginning and 68.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:20:26,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df196139-7b0b-49a2-83f1-e643e38a37f4/bin/ukojak-jW3SillKbg/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