./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_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_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/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_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/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_42632b36-892d-4ad4-80fc-0a365d4169e2/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 bab1191501d9bcf67b9be9d631041d2fa19f25793bb46c191a69e4db5abb0bef --- 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 18:15:36,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:15:36,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:15:36,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:15:36,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:15:36,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:15:36,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:15:36,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:15:36,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:15:36,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:15:36,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:15:36,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:15:36,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:15:36,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:15:36,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:15:36,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:15:36,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:15:36,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:15:36,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:15:36,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:15:36,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:15:36,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:15:36,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:15:36,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:15:36,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:15:36,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:15:36,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:15:36,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:15:36,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:15:36,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:15:36,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:15:36,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:15:36,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:15:36,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:15:36,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:15:36,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:15:36,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:15:36,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:15:36,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:15:36,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:15:36,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:15:36,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:15:36,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:15:36,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:15:36,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:15:36,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:15:36,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:15:36,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:15:36,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:15:36,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:15:36,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:15:36,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:15:36,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:15:36,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:15:36,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:15:36,972 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:15:36,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:15:36,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:15:36,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:15:36,973 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:15:36,973 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:15:36,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:15:36,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:15:36,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:15:36,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:15:36,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:15:36,974 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:15:36,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:15:36,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:15:36,974 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_42632b36-892d-4ad4-80fc-0a365d4169e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab1191501d9bcf67b9be9d631041d2fa19f25793bb46c191a69e4db5abb0bef [2022-12-14 18:15:37,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:15:37,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:15:37,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:15:37,183 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:15:37,184 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:15:37,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_good.i [2022-12-14 18:15:39,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:15:40,046 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:15:40,047 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_08_good.i [2022-12-14 18:15:40,064 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/data/b10f9d9ef/7798799b91c14786b7ef0f241aba480b/FLAG40f11e309 [2022-12-14 18:15:40,078 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/data/b10f9d9ef/7798799b91c14786b7ef0f241aba480b [2022-12-14 18:15:40,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:15:40,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:15:40,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:15:40,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:15:40,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:15:40,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:15:40" (1/1) ... [2022-12-14 18:15:40,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed5bed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:40, skipping insertion in model container [2022-12-14 18:15:40,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:15:40" (1/1) ... [2022-12-14 18:15:40,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:15:40,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:15:40,428 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:15:40,779 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:15:40,784 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:15:40,786 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:15:40,789 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:15:40,790 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:15:40,814 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:15:40,821 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:15:40,829 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:15:40,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:15:40,840 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:15:40,860 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:15:40,901 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:15:40,903 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:15:40,904 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:15:40,906 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:15:40,907 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:15:40,911 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:15:40,914 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:15:40,918 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:15:40,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:15:41,065 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:15:41,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41 WrapperNode [2022-12-14 18:15:41,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:15:41,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:15:41,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:15:41,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:15:41,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,117 INFO L138 Inliner]: procedures = 506, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2022-12-14 18:15:41,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:15:41,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:15:41,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:15:41,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:15:41,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:15:41,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:15:41,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:15:41,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:15:41,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:15:41,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:15:41,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:15:41,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:15:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:15:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:15:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:15:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:15:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:15:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:15:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:15:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:15:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:15:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:15:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-14 18:15:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-14 18:15:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:15:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-12-14 18:15:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-12-14 18:15:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:15:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:15:41,329 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:15:41,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:15:41,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:15:41,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:15:41,536 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:15:41,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:15:41 BoogieIcfgContainer [2022-12-14 18:15:41,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:15:41,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:15:41,540 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:15:41,548 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:15:41,548 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:15:41" (1/1) ... [2022-12-14 18:15:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:15:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2022-12-14 18:15:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2022-12-14 18:15:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:15:41,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2022-12-14 18:15:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2022-12-14 18:15:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:15:41,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2022-12-14 18:15:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2022-12-14 18:15:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:15:41,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:15:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2022-12-14 18:15:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2022-12-14 18:15:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:15:42,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,122 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 18:15:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 96 transitions. [2022-12-14 18:15:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2022-12-14 18:15:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:15:42,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:15:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 93 transitions. [2022-12-14 18:15:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-12-14 18:15:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:15:42,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:15:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 92 transitions. [2022-12-14 18:15:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2022-12-14 18:15:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 18:15:42,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:15:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 91 transitions. [2022-12-14 18:15:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-12-14 18:15:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 18:15:42,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:15:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 101 transitions. [2022-12-14 18:15:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-12-14 18:15:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:15:42,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:15:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 68 states and 90 transitions. [2022-12-14 18:15:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-12-14 18:15:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 18:15:42,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:42,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 18:15:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 89 transitions. [2022-12-14 18:15:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2022-12-14 18:15:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 18:15:43,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:15:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 96 transitions. [2022-12-14 18:15:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2022-12-14 18:15:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:15:43,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:43,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:15:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 77 states and 104 transitions. [2022-12-14 18:15:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2022-12-14 18:15:43,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 18:15:43,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 18:15:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 84 transitions. [2022-12-14 18:15:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-12-14 18:15:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 18:15:43,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:43,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 18:15:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 65 states and 83 transitions. [2022-12-14 18:15:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-12-14 18:15:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 18:15:43,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:43,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 18:15:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 64 states and 82 transitions. [2022-12-14 18:15:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-12-14 18:15:44,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 18:15:44,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:15:44,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:15:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:15:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 18:15:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:15:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 81 transitions. [2022-12-14 18:15:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-12-14 18:15:44,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:15:44,297 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-14 18:15:44,302 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:15:44,410 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:15:44,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:15:44 ImpRootNode [2022-12-14 18:15:44,414 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:15:44,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:15:44,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:15:44,415 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:15:44,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:15:41" (3/4) ... [2022-12-14 18:15:44,417 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:15:44,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:15:44,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-12-14 18:15:44,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:15:44,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-12-14 18:15:44,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 18:15:44,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 18:15:44,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:15:44,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:15:44,426 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:15:44,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:15:44,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:15:44,465 INFO L158 Benchmark]: Toolchain (without parser) took 4382.80ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.9MB in the beginning and 53.8MB in the end (delta: 48.1MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,465 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 122.0MB in the beginning and 121.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:15:44,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.80ms. Allocated memory is still 144.7MB. Free memory was 101.4MB in the beginning and 92.3MB in the end (delta: 9.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.30ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 88.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,466 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 87.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:15:44,467 INFO L158 Benchmark]: RCFGBuilder took 394.65ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 67.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,467 INFO L158 Benchmark]: CodeCheck took 2874.59ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 67.1MB in the beginning and 58.0MB in the end (delta: 9.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,468 INFO L158 Benchmark]: Witness Printer took 49.73ms. Allocated memory is still 174.1MB. Free memory was 58.0MB in the beginning and 53.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:15:44,470 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: 2.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2763 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 536 mSDsluCounter, 1967 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1732 IncrementalHoareTripleChecker+Invalid, 2219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 487 mSolverCounterUnsat, 1639 mSDtfsCounter, 1732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5029 GetRequests, 4949 SyntacticMatches, 14 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 236/242 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 122.0MB in the beginning and 121.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 982.80ms. Allocated memory is still 144.7MB. Free memory was 101.4MB in the beginning and 92.3MB in the end (delta: 9.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.30ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 88.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 87.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.65ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 67.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 2874.59ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 67.1MB in the beginning and 58.0MB in the end (delta: 9.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 49.73ms. Allocated memory is still 174.1MB. Free memory was 58.0MB in the beginning and 53.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:15:44,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42632b36-892d-4ad4-80fc-0a365d4169e2/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