./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/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_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/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_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/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 c0a0030ffa27dca5bb14131b70d3aa8b11940565f5178ee0497f1eeb9a0fdf14 --- 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 18:50:10,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:50:10,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:50:10,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:50:10,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:50:10,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:50:10,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:50:10,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:50:10,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:50:10,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:50:10,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:50:10,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:50:10,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:50:10,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:50:10,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:50:10,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:50:10,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:50:10,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:50:10,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:50:10,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:50:10,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:50:10,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:50:10,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:50:10,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:50:10,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:50:10,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:50:10,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:50:10,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:50:10,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:50:10,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:50:10,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:50:10,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:50:10,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:50:10,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:50:10,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:50:10,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:50:10,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:50:10,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:50:10,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:50:10,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:50:10,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:50:10,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:50:10,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:50:10,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:50:10,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:50:10,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:50:10,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:50:10,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:50:10,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:50:10,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:50:10,447 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:50:10,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:50:10,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:50:10,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:50:10,448 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_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0a0030ffa27dca5bb14131b70d3aa8b11940565f5178ee0497f1eeb9a0fdf14 [2022-12-14 18:50:10,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:50:10,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:50:10,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:50:10,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:50:10,630 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:50:10,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-12-14 18:50:13,170 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:50:13,422 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:50:13,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-12-14 18:50:13,435 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/data/899ada2b0/1231be54a1794f549330f5d38ad29f88/FLAGcc6a2a6d7 [2022-12-14 18:50:13,446 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/data/899ada2b0/1231be54a1794f549330f5d38ad29f88 [2022-12-14 18:50:13,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:50:13,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:50:13,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:50:13,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:50:13,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:50:13,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:50:13" (1/1) ... [2022-12-14 18:50:13,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1268cbf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:13, skipping insertion in model container [2022-12-14 18:50:13,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:50:13" (1/1) ... [2022-12-14 18:50:13,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:50:13,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:50:13,777 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:50:14,112 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:50:14,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:50:14,119 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:50:14,122 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:50:14,122 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:50:14,147 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:50:14,149 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:50:14,160 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:50:14,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:50:14,171 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:50:14,188 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:50:14,229 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:50:14,231 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:50:14,232 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:50:14,235 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:50:14,235 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:50:14,240 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:50:14,242 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:50:14,246 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:50:14,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:50:14,348 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:50:14,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14 WrapperNode [2022-12-14 18:50:14,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:50:14,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:50:14,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:50:14,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:50:14,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,385 INFO L138 Inliner]: procedures = 502, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2022-12-14 18:50:14,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:50:14,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:50:14,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:50:14,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:50:14,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,402 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:50:14,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:50:14,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:50:14,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:50:14,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:50:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:50:14,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:50:14,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:50:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:50:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:50:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:50:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-14 18:50:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-14 18:50:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:50:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:50:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:50:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:50:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:50:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:50:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:50:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:50:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:50:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:50:14,585 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:50:14,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:50:14,763 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:50:14,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:50:14,787 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:50:14,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:14 BoogieIcfgContainer [2022-12-14 18:50:14,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:50:14,789 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:50:14,789 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:50:14,797 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:50:14,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:14" (1/1) ... [2022-12-14 18:50:14,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:50:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-12-14 18:50:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-12-14 18:50:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:50:14,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,083 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 18:50:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2022-12-14 18:50:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-12-14 18:50:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:50:15,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,189 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 18:50:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-12-14 18:50:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-12-14 18:50:15,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:50:15,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,320 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 18:50:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2022-12-14 18:50:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-12-14 18:50:15,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:50:15,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,463 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 18:50:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2022-12-14 18:50:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-12-14 18:50:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:50:15,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,565 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 18:50:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2022-12-14 18:50:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 18:50:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:50:15,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:50:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 83 transitions. [2022-12-14 18:50:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 18:50:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:50:15,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:50:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 68 transitions. [2022-12-14 18:50:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-12-14 18:50:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:50:15,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:50:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 67 transitions. [2022-12-14 18:50:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:50:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:50:15,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:50:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 66 transitions. [2022-12-14 18:50:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-12-14 18:50:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:50:16,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:16,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:50:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 48 states and 65 transitions. [2022-12-14 18:50:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-12-14 18:50:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:50:16,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:16,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 18:50:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 47 states and 64 transitions. [2022-12-14 18:50:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-12-14 18:50:16,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:50:16,431 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-12-14 18:50:16,439 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:50:16,487 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:50:16,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:50:16 ImpRootNode [2022-12-14 18:50:16,492 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:50:16,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:50:16,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:50:16,492 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:50:16,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:14" (3/4) ... [2022-12-14 18:50:16,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:50:16,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:50:16,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-12-14 18:50:16,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:50:16,505 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:50:16,505 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 18:50:16,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:50:16,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:50:16,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:50:16,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:50:16,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:50:16,551 INFO L158 Benchmark]: Toolchain (without parser) took 3102.74ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 124.4MB in the beginning and 132.9MB in the end (delta: -8.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-14 18:50:16,552 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:50:16,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.29ms. Allocated memory is still 157.3MB. Free memory was 124.4MB in the beginning and 111.8MB in the end (delta: 12.6MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-12-14 18:50:16,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.55ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 108.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:50:16,552 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:50:16,553 INFO L158 Benchmark]: RCFGBuilder took 383.77ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 87.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:50:16,553 INFO L158 Benchmark]: CodeCheck took 1702.27ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.8MB in the beginning and 136.9MB in the end (delta: -49.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:50:16,553 INFO L158 Benchmark]: Witness Printer took 58.65ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 132.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:50:16,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1031 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 855 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 204 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 522 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 204 mSolverCounterUnsat, 649 mSDtfsCounter, 522 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2020 GetRequests, 1970 SyntacticMatches, 14 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 74/74 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: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.29ms. Allocated memory is still 157.3MB. Free memory was 124.4MB in the beginning and 111.8MB in the end (delta: 12.6MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.55ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 108.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.77ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 87.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1702.27ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.8MB in the beginning and 136.9MB in the end (delta: -49.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.65ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 132.9MB 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 18:50:16,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b443d8-cfa9-4f9e-b54c-3928a858f1d5/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