./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/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_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/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_c9eacc35-443f-4f4e-aced-272f85924865/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 bd97e3c5e9754f852b995eed0d7e7261cd9ed58702428911046867926ba1d79f --- 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 20:24:11,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:24:11,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:24:11,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:24:11,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:24:11,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:24:11,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:24:11,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:24:11,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:24:11,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:24:11,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:24:11,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:24:11,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:24:11,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:24:11,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:24:11,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:24:11,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:24:11,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:24:11,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:24:11,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:24:11,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:24:11,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:24:11,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:24:11,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:24:11,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:24:11,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:24:11,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:24:11,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:24:11,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:24:11,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:24:11,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:24:11,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:24:11,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:24:11,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:24:11,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:24:11,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:24:11,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:24:11,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:24:11,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:24:11,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:24:11,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:24:11,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:24:11,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:24:11,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:24:11,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:24:11,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:24:11,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:24:11,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:24:11,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:24:11,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:24:11,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:24:11,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:24:11,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:24:11,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:24:11,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:24:11,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:24:11,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:24:11,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:24:11,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:24:11,752 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:24:11,752 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:24:11,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:24:11,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:24:11,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:24:11,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:24:11,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:24:11,753 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:24:11,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:24:11,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:24:11,754 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_c9eacc35-443f-4f4e-aced-272f85924865/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd97e3c5e9754f852b995eed0d7e7261cd9ed58702428911046867926ba1d79f [2022-12-14 20:24:11,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:24:11,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:24:11,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:24:11,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:24:11,948 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:24:11,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i [2022-12-14 20:24:14,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:24:14,693 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:24:14,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i [2022-12-14 20:24:14,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/data/0b299f855/ebe3efadb4a04970b5f7b794a564b417/FLAG7e61c9e1f [2022-12-14 20:24:15,029 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/data/0b299f855/ebe3efadb4a04970b5f7b794a564b417 [2022-12-14 20:24:15,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:24:15,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:24:15,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:24:15,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:24:15,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:24:15,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6956bede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15, skipping insertion in model container [2022-12-14 20:24:15,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:24:15,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:24:15,354 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:24:15,660 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:24:15,664 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:24:15,665 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:24:15,667 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:24:15,667 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:24:15,684 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 20:24:15,689 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 20:24:15,697 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:24:15,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:24:15,706 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:24:15,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:24:15,750 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:24:15,751 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:24:15,752 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:24:15,753 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:24:15,754 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:24:15,757 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 20:24:15,760 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 20:24:15,763 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:24:15,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:24:15,869 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:24:15,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15 WrapperNode [2022-12-14 20:24:15,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:24:15,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:24:15,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:24:15,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:24:15,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,906 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 175 [2022-12-14 20:24:15,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:24:15,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:24:15,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:24:15,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:24:15,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:24:15,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:24:15,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:24:15,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:24:15,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:24:15" (1/1) ... [2022-12-14 20:24:15,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:24:15,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:24:15,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:24:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 20:24:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 20:24:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:24:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 20:24:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:24:16,077 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:24:16,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:24:16,270 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:24:16,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:24:16,298 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 20:24:16,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:24:16 BoogieIcfgContainer [2022-12-14 20:24:16,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:24:16,301 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:24:16,301 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:24:16,309 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:24:16,309 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:24:16" (1/1) ... [2022-12-14 20:24:16,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:24:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2022-12-14 20:24:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2022-12-14 20:24:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:24:16,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:16,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:16,536 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 20:24:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 100 transitions. [2022-12-14 20:24:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-12-14 20:24:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:24:16,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:16,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:16,632 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 20:24:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 68 states and 99 transitions. [2022-12-14 20:24:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2022-12-14 20:24:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:24:16,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:16,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:16,710 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 20:24:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 109 transitions. [2022-12-14 20:24:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2022-12-14 20:24:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:24:16,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:16,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:16,814 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 20:24:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 98 transitions. [2022-12-14 20:24:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2022-12-14 20:24:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:24:16,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:16,938 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 20:24:16,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:16,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 97 transitions. [2022-12-14 20:24:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2022-12-14 20:24:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:24:16,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:16,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,037 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 20:24:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 94 transitions. [2022-12-14 20:24:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2022-12-14 20:24:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:24:17,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,089 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 20:24:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 89 transitions. [2022-12-14 20:24:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2022-12-14 20:24:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:24:17,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,153 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 20:24:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 88 transitions. [2022-12-14 20:24:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2022-12-14 20:24:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:24:17,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,224 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 20:24:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 96 transitions. [2022-12-14 20:24:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-12-14 20:24:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 20:24:17,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 87 transitions. [2022-12-14 20:24:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-12-14 20:24:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 20:24:17,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,473 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 20:24:17,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 82 transitions. [2022-12-14 20:24:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-12-14 20:24:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:24:17,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 63 states and 87 transitions. [2022-12-14 20:24:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-12-14 20:24:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 20:24:17,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 93 transitions. [2022-12-14 20:24:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-12-14 20:24:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:24:17,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,855 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 20:24:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 77 transitions. [2022-12-14 20:24:17,884 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2022-12-14 20:24:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:24:17,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:17,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 55 states and 72 transitions. [2022-12-14 20:24:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-12-14 20:24:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 20:24:18,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:18,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 58 states and 78 transitions. [2022-12-14 20:24:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 20:24:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:24:18,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:18,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 62 states and 85 transitions. [2022-12-14 20:24:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 20:24:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:24:18,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:18,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:24:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 51 states and 65 transitions. [2022-12-14 20:24:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-14 20:24:18,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:24:18,406 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-12-14 20:24:18,414 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 20:24:18,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:18,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:24:18 ImpRootNode [2022-12-14 20:24:18,492 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:24:18,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:24:18,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:24:18,493 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:24:18,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:24:16" (3/4) ... [2022-12-14 20:24:18,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:24:18,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 20:24:18,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 20:24:18,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-12-14 20:24:18,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 20:24:18,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 20:24:18,507 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 20:24:18,507 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:24:18,557 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:24:18,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:24:18,558 INFO L158 Benchmark]: Toolchain (without parser) took 3526.30ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 90.7MB in the beginning and 86.9MB in the end (delta: 3.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,559 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:24:18,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.62ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 68.6MB in the end (delta: 22.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.81ms. Allocated memory is still 127.9MB. Free memory was 68.6MB in the beginning and 65.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,559 INFO L158 Benchmark]: Boogie Preprocessor took 18.45ms. Allocated memory is still 127.9MB. Free memory was 65.7MB in the beginning and 63.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,560 INFO L158 Benchmark]: RCFGBuilder took 374.33ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 63.9MB in the beginning and 116.4MB in the end (delta: -52.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,560 INFO L158 Benchmark]: CodeCheck took 2191.00ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 91.1MB in the end (delta: 25.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,560 INFO L158 Benchmark]: Witness Printer took 65.49ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:24:18,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 71 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2528 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 484 mSDsluCounter, 2094 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 471 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1072 IncrementalHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 471 mSolverCounterUnsat, 1552 mSDtfsCounter, 1072 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4196 GetRequests, 4121 SyntacticMatches, 13 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 447 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1673]: 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: 1612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1643]: 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 127.9MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.62ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 68.6MB in the end (delta: 22.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.81ms. Allocated memory is still 127.9MB. Free memory was 68.6MB in the beginning and 65.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.45ms. Allocated memory is still 127.9MB. Free memory was 65.7MB in the beginning and 63.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.33ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 63.9MB in the beginning and 116.4MB in the end (delta: -52.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 2191.00ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 91.1MB in the end (delta: 25.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Witness Printer took 65.49ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:24:18,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9eacc35-443f-4f4e-aced-272f85924865/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE