./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/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_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/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_76533a8c-ea28-49de-9e6a-2ff2afd471a1/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 ec7a0b49047ff5c05b905dcdd8f78cb997cafd8d829ad3cf6a5dee5b3edf228d --- 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 22:43:27,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:43:27,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:43:27,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:43:27,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:43:27,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:43:27,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:43:27,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:43:27,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:43:27,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:43:27,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:43:27,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:43:27,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:43:27,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:43:27,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:43:27,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:43:27,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:43:27,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:43:27,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:43:27,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:43:27,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:43:27,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:43:27,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:43:27,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:43:27,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:43:27,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:43:27,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:43:27,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:43:27,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:43:27,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:43:27,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:43:27,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:43:27,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:43:27,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:43:27,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:43:27,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:43:27,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:43:27,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:43:27,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:43:27,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:43:27,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:43:27,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:43:27,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:43:27,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:43:27,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:43:27,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:43:27,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:43:27,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:43:27,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:43:27,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:43:27,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:43:27,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:43:27,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:43:27,320 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:43:27,320 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:43:27,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:43:27,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:43:27,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:43:27,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:43:27,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:43:27,321 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:43:27,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:43:27,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:43:27,321 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_76533a8c-ea28-49de-9e6a-2ff2afd471a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec7a0b49047ff5c05b905dcdd8f78cb997cafd8d829ad3cf6a5dee5b3edf228d [2022-12-14 22:43:27,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:43:27,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:43:27,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:43:27,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:43:27,531 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:43:27,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i [2022-12-14 22:43:30,060 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:43:30,306 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:43:30,306 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i [2022-12-14 22:43:30,320 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/data/35d740022/3bbb247e233c41978dd5738a921fe720/FLAG3e3b8f2d6 [2022-12-14 22:43:30,640 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/data/35d740022/3bbb247e233c41978dd5738a921fe720 [2022-12-14 22:43:30,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:43:30,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:43:30,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:43:30,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:43:30,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:43:30,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:43:30" (1/1) ... [2022-12-14 22:43:30,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5425dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:30, skipping insertion in model container [2022-12-14 22:43:30,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:43:30" (1/1) ... [2022-12-14 22:43:30,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:43:30,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:43:30,937 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:43:31,259 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:43:31,264 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:31,265 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:31,267 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:31,268 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:31,290 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:43:31,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:43:31,302 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:43:31,316 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:43:31,356 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:43:31,357 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:31,359 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:43:31,361 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:31,362 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:43:31,367 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:43:31,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:43:31,469 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:43:31,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31 WrapperNode [2022-12-14 22:43:31,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:43:31,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:43:31,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:43:31,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:43:31,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,505 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2022-12-14 22:43:31,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:43:31,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:43:31,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:43:31,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:43:31,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:43:31,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:43:31,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:43:31,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:43:31,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:43:31,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:43:31,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:43:31,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:43:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 22:43:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 22:43:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:43:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:43:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:43:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:43:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:43:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:43:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:43:31,680 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:43:31,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:43:31,794 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:43:31,817 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:43:31,817 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 22:43:31,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:31 BoogieIcfgContainer [2022-12-14 22:43:31,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:43:31,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:43:31,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:43:31,827 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:43:31,828 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:31" (1/1) ... [2022-12-14 22:43:31,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:43:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-14 22:43:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-14 22:43:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:43:31,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:31,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:32,069 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 22:43:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-12-14 22:43:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-14 22:43:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:43:32,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:32,143 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 22:43:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-12-14 22:43:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-14 22:43:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:43:32,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:32,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:32,262 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 22:43:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 29 transitions. [2022-12-14 22:43:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-14 22:43:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:43:32,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:32,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:32,325 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 22:43:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-12-14 22:43:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 22:43:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:43:32,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:43:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-12-14 22:43:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-14 22:43:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:43:32,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:32,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:43:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-12-14 22:43:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 22:43:32,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:43:32,714 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 22:43:32,722 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 22:43:32,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:43:32,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:43:32 ImpRootNode [2022-12-14 22:43:32,749 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:43:32,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:43:32,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:43:32,750 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:43:32,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:43:31" (3/4) ... [2022-12-14 22:43:32,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:43:32,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 22:43:32,757 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 22:43:32,760 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 22:43:32,760 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 22:43:32,760 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 22:43:32,760 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:43:32,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:43:32,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:43:32,802 INFO L158 Benchmark]: Toolchain (without parser) took 2157.76ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 92.2MB in the beginning and 126.2MB in the end (delta: -34.1MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,803 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:43:32,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.10ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 91.8MB in the beginning and 95.2MB in the end (delta: -3.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.77ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,804 INFO L158 Benchmark]: Boogie Preprocessor took 16.74ms. Allocated memory is still 163.6MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,804 INFO L158 Benchmark]: RCFGBuilder took 296.85ms. Allocated memory is still 163.6MB. Free memory was 91.0MB in the beginning and 75.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,804 INFO L158 Benchmark]: CodeCheck took 929.56ms. Allocated memory is still 163.6MB. Free memory was 75.2MB in the beginning and 53.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,805 INFO L158 Benchmark]: Witness Printer took 51.64ms. Allocated memory is still 163.6MB. Free memory was 53.6MB in the beginning and 126.2MB in the end (delta: -72.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:43:32,807 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 174 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 595 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.10ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 91.8MB in the beginning and 95.2MB in the end (delta: -3.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.77ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.74ms. Allocated memory is still 163.6MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.85ms. Allocated memory is still 163.6MB. Free memory was 91.0MB in the beginning and 75.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 929.56ms. Allocated memory is still 163.6MB. Free memory was 75.2MB in the beginning and 53.6MB in the end (delta: 21.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 51.64ms. Allocated memory is still 163.6MB. Free memory was 53.6MB in the beginning and 126.2MB in the end (delta: -72.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:43:32,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76533a8c-ea28-49de-9e6a-2ff2afd471a1/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