./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_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_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/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_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/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_d05ad055-55fa-45dc-8b8e-db4c23606449/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 4a0c81f02f02db8ed4973262e5f90ca5d42dfeb039d7c72136a4fd48774c1538 --- 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 16:33:51,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:33:51,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:33:51,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:33:51,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:33:51,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:33:51,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:33:51,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:33:51,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:33:51,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:33:51,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:33:51,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:33:51,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:33:51,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:33:51,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:33:51,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:33:51,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:33:51,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:33:51,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:33:51,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:33:51,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:33:51,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:33:51,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:33:51,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:33:51,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:33:51,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:33:51,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:33:51,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:33:51,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:33:51,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:33:51,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:33:51,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:33:51,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:33:51,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:33:51,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:33:51,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:33:51,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:33:51,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:33:51,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:33:51,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:33:51,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:33:51,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 16:33:51,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:33:51,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:33:51,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:33:51,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:33:51,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:33:51,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:33:51,293 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:33:51,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:33:51,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:33:51,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:33:51,294 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:33:51,294 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:33:51,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:33:51,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:33:51,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:33:51,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:33:51,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:33:51,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:33:51,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:33:51,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:33:51,295 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_d05ad055-55fa-45dc-8b8e-db4c23606449/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a0c81f02f02db8ed4973262e5f90ca5d42dfeb039d7c72136a4fd48774c1538 [2022-12-14 16:33:51,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:33:51,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:33:51,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:33:51,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:33:51,474 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:33:51,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_good.i [2022-12-14 16:33:54,043 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:33:54,307 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:33:54,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_good.i [2022-12-14 16:33:54,325 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/data/00a6b6787/1db975dbc8454a76a80ddc54bc0af9a9/FLAG76b3206f8 [2022-12-14 16:33:54,339 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/data/00a6b6787/1db975dbc8454a76a80ddc54bc0af9a9 [2022-12-14 16:33:54,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:33:54,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:33:54,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:33:54,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:33:54,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:33:54,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:54" (1/1) ... [2022-12-14 16:33:54,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5817dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:54, skipping insertion in model container [2022-12-14 16:33:54,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:54" (1/1) ... [2022-12-14 16:33:54,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:33:54,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:33:54,727 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 16:33:55,091 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 16:33:55,096 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:33:55,098 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:33:55,100 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:33:55,101 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:33:55,131 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 16:33:55,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:33:55,140 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:33:55,157 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 16:33:55,203 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 16:33:55,205 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:33:55,206 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:33:55,208 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:33:55,209 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:33:55,217 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 16:33:55,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:33:55,316 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:33:55,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55 WrapperNode [2022-12-14 16:33:55,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:33:55,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:33:55,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:33:55,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:33:55,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,369 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2022-12-14 16:33:55,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:33:55,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:33:55,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:33:55,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:33:55,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:33:55,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:33:55,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:33:55,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:33:55,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:33:55,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:33:55,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:33:55,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:33:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 16:33:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 16:33:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 16:33:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 16:33:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:33:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:33:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:33:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 16:33:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:33:55,587 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:33:55,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:33:55,724 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:33:55,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:33:55,750 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:33:55,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:55 BoogieIcfgContainer [2022-12-14 16:33:55,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:33:55,753 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:33:55,753 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:33:55,760 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:33:55,761 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:55" (1/1) ... [2022-12-14 16:33:55,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:33:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-14 16:33:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-14 16:33:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:33:55,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:55,952 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 16:33:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-12-14 16:33:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-12-14 16:33:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:33:55,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:55,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,065 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 16:33:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-12-14 16:33:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-14 16:33:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:33:56,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:56,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,116 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 16:33:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-12-14 16:33:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-14 16:33:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:33:56,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:56,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,199 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 16:33:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 35 transitions. [2022-12-14 16:33:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-12-14 16:33:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:33:56,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:56,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,275 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 16:33:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 34 transitions. [2022-12-14 16:33:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-12-14 16:33:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:33:56,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,335 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 16:33:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-12-14 16:33:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 16:33:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:33:56,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:56,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,460 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 16:33:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-12-14 16:33:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-14 16:33:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:33:56,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:56,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:56,537 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 16:33:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-12-14 16:33:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 16:33:56,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:33:56,593 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 16:33:56,600 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 16:33:56,624 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:33:56,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:33:56 ImpRootNode [2022-12-14 16:33:56,628 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:33:56,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:33:56,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:33:56,629 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:33:56,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:55" (3/4) ... [2022-12-14 16:33:56,631 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:33:56,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 16:33:56,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 16:33:56,640 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 16:33:56,640 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 16:33:56,640 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 16:33:56,640 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:33:56,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:33:56,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:33:56,681 INFO L158 Benchmark]: Toolchain (without parser) took 2338.19ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 94.9MB in the beginning and 115.0MB in the end (delta: -20.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-14 16:33:56,682 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:33:56,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.11ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 94.4MB in the beginning and 105.1MB in the end (delta: -10.8MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-12-14 16:33:56,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.69ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:33:56,683 INFO L158 Benchmark]: Boogie Preprocessor took 27.09ms. Allocated memory is still 155.2MB. Free memory was 102.3MB in the beginning and 100.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:33:56,683 INFO L158 Benchmark]: RCFGBuilder took 354.27ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 84.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 16:33:56,683 INFO L158 Benchmark]: CodeCheck took 875.03ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 119.1MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:33:56,684 INFO L158 Benchmark]: Witness Printer took 52.39ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 115.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:33:56,686 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: 0.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 416 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 240 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: 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: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.11ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 94.4MB in the beginning and 105.1MB in the end (delta: -10.8MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.69ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.09ms. Allocated memory is still 155.2MB. Free memory was 102.3MB in the beginning and 100.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.27ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 84.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 875.03ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 119.1MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.39ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 115.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:33:56,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05ad055-55fa-45dc-8b8e-db4c23606449/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