./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_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_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/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_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/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_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/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 fc3a85840b89267df7d2cc45f5ecc076d9cb889817cb82079ba83951f91a887c --- 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 23:41:08,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:41:08,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:41:08,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:41:08,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:41:08,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:41:08,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:41:08,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:41:08,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:41:08,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:41:08,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:41:08,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:41:08,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:41:08,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:41:08,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:41:08,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:41:08,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:41:08,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:41:08,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:41:08,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:41:08,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:41:08,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:41:08,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:41:08,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:41:08,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:41:08,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:41:08,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:41:08,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:41:08,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:41:08,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:41:08,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:41:08,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:41:08,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:41:08,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:41:08,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:41:08,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:41:08,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:41:08,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:41:08,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:41:08,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:41:08,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:41:08,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:41:08,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:41:08,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:41:08,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:41:08,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:41:08,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:41:08,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:41:08,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:41:08,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:41:08,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:41:08,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:41:08,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:41:08,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:41:08,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:41:08,672 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:41:08,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:41:08,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:41:08,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:41:08,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:41:08,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:41:08,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:41:08,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:08,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:41:08,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:41:08,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:41:08,674 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:41:08,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:41:08,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:41:08,675 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_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc3a85840b89267df7d2cc45f5ecc076d9cb889817cb82079ba83951f91a887c [2022-11-21 23:41:08,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:41:08,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:41:09,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:41:09,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:41:09,005 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:41:09,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_good.i [2022-11-21 23:41:12,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:41:13,217 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:41:13,218 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_44_good.i [2022-11-21 23:41:13,248 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/data/67fc64ef4/f0a7c74a73e24730a3de9cffbfb03a04/FLAG5d68ae596 [2022-11-21 23:41:13,268 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/data/67fc64ef4/f0a7c74a73e24730a3de9cffbfb03a04 [2022-11-21 23:41:13,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:41:13,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:41:13,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:13,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:41:13,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:41:13,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:13" (1/1) ... [2022-11-21 23:41:13,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762b2262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:13, skipping insertion in model container [2022-11-21 23:41:13,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:13" (1/1) ... [2022-11-21 23:41:13,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:41:13,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:41:13,838 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:41:14,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:41:14,535 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:41:14,579 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:41:14,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:41:14,962 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:41:14,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14 WrapperNode [2022-11-21 23:41:14,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:14,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:41:14,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:41:14,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:41:14,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,042 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 78 [2022-11-21 23:41:15,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:41:15,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:41:15,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:41:15,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:41:15,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:41:15,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:41:15,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:41:15,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:41:15,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:14" (1/1) ... [2022-11-21 23:41:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:15,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:41:15,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:41:15,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:41:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:41:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:41:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:41:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:41:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:41:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:41:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:41:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:41:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 23:41:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 23:41:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:41:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:41:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:41:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:41:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:41:15,391 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:41:15,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:41:15,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:41:15,638 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:41:15,638 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:41:15,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:15 BoogieIcfgContainer [2022-11-21 23:41:15,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:41:15,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:41:15,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:41:15,656 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:41:15,674 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:15" (1/1) ... [2022-11-21 23:41:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:41:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-11-21 23:41:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-21 23:41:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:41:15,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2022-11-21 23:41:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-11-21 23:41:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:16,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:16,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:16,619 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 23:41:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 48 transitions. [2022-11-21 23:41:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-21 23:41:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:16,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:16,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:16,781 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 23:41:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2022-11-21 23:41:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-21 23:41:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:41:16,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:16,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:17,055 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 23:41:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 51 transitions. [2022-11-21 23:41:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-21 23:41:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:41:17,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:17,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 57 transitions. [2022-11-21 23:41:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-11-21 23:41:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:41:17,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:18,003 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 23:41:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 56 transitions. [2022-11-21 23:41:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-21 23:41:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:41:18,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 65 transitions. [2022-11-21 23:41:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-21 23:41:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:41:19,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:41:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 53 transitions. [2022-11-21 23:41:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-11-21 23:41:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:41:21,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:21,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:41:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 52 transitions. [2022-11-21 23:41:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-21 23:41:22,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:41:22,190 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-21 23:41:22,207 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:41:22,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:41:22,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:41:22 ImpRootNode [2022-11-21 23:41:22,381 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:41:22,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:41:22,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:41:22,383 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:41:22,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:15" (3/4) ... [2022-11-21 23:41:22,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:41:22,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:41:22,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:41:22,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 23:41:22,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 23:41:22,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 23:41:22,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:41:22,410 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:41:22,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:41:22,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:41:22,500 INFO L158 Benchmark]: Toolchain (without parser) took 9226.31ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.7MB in the beginning and 157.6MB in the end (delta: -14.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-21 23:41:22,503 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 127.9MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:22,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1687.91ms. Allocated memory is still 174.1MB. Free memory was 142.7MB in the beginning and 133.2MB in the end (delta: 9.6MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-11-21 23:41:22,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.61ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 130.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:41:22,504 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 129.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:22,506 INFO L158 Benchmark]: RCFGBuilder took 561.96ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 112.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:41:22,507 INFO L158 Benchmark]: CodeCheck took 6738.16ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 112.2MB in the beginning and 160.7MB in the end (delta: -48.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:22,508 INFO L158 Benchmark]: Witness Printer took 116.64ms. Allocated memory is still 209.7MB. Free memory was 160.7MB in the beginning and 157.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:41:22,510 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 4 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 288 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 226 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 226 mSolverCounterUnsat, 220 mSDtfsCounter, 557 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1291 GetRequests, 1209 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1772 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 18/18 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1605]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 127.9MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1687.91ms. Allocated memory is still 174.1MB. Free memory was 142.7MB in the beginning and 133.2MB in the end (delta: 9.6MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.61ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 130.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 129.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.96ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 112.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 6738.16ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 112.2MB in the beginning and 160.7MB in the end (delta: -48.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 116.64ms. Allocated memory is still 209.7MB. Free memory was 160.7MB in the beginning and 157.6MB 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 23:41:22,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51a26f-6a01-4fc1-b559-c0bf66f8deff/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