./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_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_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/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_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/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_2d7755ee-1777-4375-91ee-6f29c632e44d/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 93bebbdc3ee9cd81b94f94132366dd7fabe0e91bdb03bdb4a54f809725af6783 --- 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 [2022-12-15 03:20:08,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:20:08,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:20:08,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:20:08,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:20:08,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:20:08,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:20:08,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:20:08,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:20:08,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:20:08,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:20:08,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:20:08,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:20:08,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:20:08,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:20:08,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:20:08,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:20:08,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:20:08,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:20:08,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:20:08,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:20:08,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:20:08,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:20:08,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:20:08,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:20:08,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:20:08,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:20:08,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:20:08,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:20:08,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:20:08,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:20:08,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:20:08,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:20:08,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:20:08,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:20:08,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:20:08,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:20:08,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:20:08,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:20:08,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:20:08,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:20:08,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:20:08,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:20:08,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:20:08,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:20:08,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:20:08,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:20:08,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:20:08,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:20:08,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:20:08,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:20:08,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:20:08,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:20:08,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:20:08,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:20:08,518 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:20:08,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:20:08,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:20:08,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:20:08,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:20:08,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:20:08,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:20:08,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:08,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:20:08,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:20:08,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:20:08,519 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:20:08,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:20:08,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:20:08,519 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_2d7755ee-1777-4375-91ee-6f29c632e44d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bebbdc3ee9cd81b94f94132366dd7fabe0e91bdb03bdb4a54f809725af6783 [2022-12-15 03:20:08,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:20:08,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:20:08,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:20:08,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:20:08,722 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:20:08,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i [2022-12-15 03:20:11,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:20:11,571 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:20:11,571 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_11_good.i [2022-12-15 03:20:11,589 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/data/b90d873a1/ecd11fba8d574d1bbcb913a2f72cf406/FLAG170913bef [2022-12-15 03:20:11,602 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/data/b90d873a1/ecd11fba8d574d1bbcb913a2f72cf406 [2022-12-15 03:20:11,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:20:11,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:20:11,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:11,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:20:11,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:20:11,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:11" (1/1) ... [2022-12-15 03:20:11,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dbdbb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:11, skipping insertion in model container [2022-12-15 03:20:11,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:11" (1/1) ... [2022-12-15 03:20:11,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:20:11,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:20:11,886 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:20:12,205 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:20:12,210 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:12,212 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:12,215 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:12,215 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:12,237 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:20:12,244 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:20:12,254 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:20:12,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:12,264 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:20:12,281 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:20:12,317 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:20:12,318 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:12,319 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:20:12,320 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:12,321 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:20:12,324 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:20:12,326 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:20:12,329 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:20:12,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:12,456 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:20:12,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12 WrapperNode [2022-12-15 03:20:12,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:12,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:12,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:20:12,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:20:12,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,513 INFO L138 Inliner]: procedures = 504, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 151 [2022-12-15 03:20:12,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:12,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:20:12,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:20:12,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:20:12,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,535 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:20:12,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:20:12,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:20:12,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:20:12,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:12,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:20:12,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:20:12,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:20:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:20:12,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:20:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 03:20:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:20:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-15 03:20:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-15 03:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 03:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:20:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:20:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-12-15 03:20:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-12-15 03:20:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:20:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:20:12,717 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:20:12,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:20:12,891 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:20:12,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:20:12,914 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:20:12,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:12 BoogieIcfgContainer [2022-12-15 03:20:12,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:20:12,916 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:20:12,916 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:20:12,924 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:20:12,924 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:12" (1/1) ... [2022-12-15 03:20:12,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:20:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2022-12-15 03:20:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2022-12-15 03:20:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:20:12,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:12,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:20:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2022-12-15 03:20:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2022-12-15 03:20:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:20:13,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:13,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:20:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2022-12-15 03:20:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2022-12-15 03:20:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:20:13,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:13,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:20:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2022-12-15 03:20:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2022-12-15 03:20:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:20:13,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:20:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 96 transitions. [2022-12-15 03:20:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2022-12-15 03:20:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 03:20:13,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:13,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:20:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 93 transitions. [2022-12-15 03:20:13,934 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-12-15 03:20:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 03:20:13,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:13,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:20:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 92 transitions. [2022-12-15 03:20:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2022-12-15 03:20:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 03:20:14,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:20:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 91 transitions. [2022-12-15 03:20:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-12-15 03:20:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 03:20:14,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:14,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:20:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 101 transitions. [2022-12-15 03:20:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-12-15 03:20:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 03:20:14,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:14,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 03:20:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 68 states and 90 transitions. [2022-12-15 03:20:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-12-15 03:20:14,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 03:20:14,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:14,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 03:20:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 89 transitions. [2022-12-15 03:20:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2022-12-15 03:20:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 03:20:14,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:14,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 03:20:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 96 transitions. [2022-12-15 03:20:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2022-12-15 03:20:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 03:20:15,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 03:20:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 77 states and 104 transitions. [2022-12-15 03:20:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2022-12-15 03:20:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 03:20:15,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-15 03:20:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 84 transitions. [2022-12-15 03:20:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-12-15 03:20:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 03:20:15,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:15,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-15 03:20:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 65 states and 83 transitions. [2022-12-15 03:20:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-12-15 03:20:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 03:20:15,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:15,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 03:20:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 82 transitions. [2022-12-15 03:20:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-12-15 03:20:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 03:20:16,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:16,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-15 03:20:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 63 states and 81 transitions. [2022-12-15 03:20:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-12-15 03:20:16,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:20:16,528 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-15 03:20:16,534 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 03:20:16,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:16,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:20:16 ImpRootNode [2022-12-15 03:20:16,660 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:20:16,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:20:16,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:20:16,661 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:20:16,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:12" (3/4) ... [2022-12-15 03:20:16,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:20:16,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:20:16,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-12-15 03:20:16,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:20:16,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-12-15 03:20:16,671 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 03:20:16,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 03:20:16,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:20:16,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:20:16,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:20:16,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:20:16,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:20:16,718 INFO L158 Benchmark]: Toolchain (without parser) took 5111.71ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 80.2MB in the beginning and 51.4MB in the end (delta: 28.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-12-15 03:20:16,718 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:20:16,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.19ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 80.2MB in the beginning and 87.7MB in the end (delta: -7.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-12-15 03:20:16,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.01ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 84.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:20:16,719 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 148.9MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:20:16,720 INFO L158 Benchmark]: RCFGBuilder took 375.27ms. Allocated memory is still 148.9MB. Free memory was 83.1MB in the beginning and 63.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 03:20:16,720 INFO L158 Benchmark]: CodeCheck took 3744.07ms. Allocated memory is still 148.9MB. Free memory was 62.6MB in the beginning and 56.6MB in the end (delta: 5.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-12-15 03:20:16,720 INFO L158 Benchmark]: Witness Printer took 56.83ms. Allocated memory is still 148.9MB. Free memory was 56.6MB in the beginning and 51.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:20:16,722 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 5 procedures, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2699 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 1923 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 288 mSDsCounter, 558 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1795 IncrementalHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 558 mSolverCounterUnsat, 1635 mSDtfsCounter, 1795 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5045 GetRequests, 4945 SyntacticMatches, 14 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1879 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 238/242 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.19ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 80.2MB in the beginning and 87.7MB in the end (delta: -7.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.01ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 84.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 148.9MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.27ms. Allocated memory is still 148.9MB. Free memory was 83.1MB in the beginning and 63.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3744.07ms. Allocated memory is still 148.9MB. Free memory was 62.6MB in the beginning and 56.6MB in the end (delta: 5.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 56.83ms. Allocated memory is still 148.9MB. Free memory was 56.6MB in the beginning and 51.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:20:16,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7755ee-1777-4375-91ee-6f29c632e44d/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