./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41c9705134faa9e28eba566071c8a538a7da12abc5ccedccf4ff4ee4f7173585 --- 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-38b53e6 [2022-11-25 23:28:32,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:28:32,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:28:32,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:28:32,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:28:32,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:28:32,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:28:32,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:28:32,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:28:32,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:28:32,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:28:32,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:28:32,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:28:32,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:28:32,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:28:32,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:28:32,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:28:32,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:28:32,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:28:32,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:28:32,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:28:32,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:28:32,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:28:32,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:28:32,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:28:32,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:28:32,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:28:32,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:28:32,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:28:32,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:28:32,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:28:32,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:28:32,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:28:32,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:28:32,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:28:32,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:28:32,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:28:32,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:28:32,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:28:32,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:28:32,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:28:32,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:28:32,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:28:32,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:28:32,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:28:32,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:28:32,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:28:32,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:28:32,986 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:28:32,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:28:32,986 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:28:32,987 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:28:32,988 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:28:32,988 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:28:32,988 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:28:32,988 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:28:32,989 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:28:32,989 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:28:32,989 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:28:32,989 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:28:32,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:28:32,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:28:32,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:28:32,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:28:32,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:28:32,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:28:32,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:28:32,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:28:32,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:28:32,993 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:28:32,993 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:28:32,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:28:32,994 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:28:32,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:28:32,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:28:32,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:28:32,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:28:32,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:28:32,996 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:28:32,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:28:32,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:28:32,996 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:28:32,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:28:32,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:28:32,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:28:32,997 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_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41c9705134faa9e28eba566071c8a538a7da12abc5ccedccf4ff4ee4f7173585 [2022-11-25 23:28:33,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:28:33,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:28:33,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:28:33,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:28:33,338 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:28:33,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c [2022-11-25 23:28:36,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:28:36,544 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:28:36,545 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c [2022-11-25 23:28:36,550 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/data/db811a37c/b70fead49d484df09aca2bfdba2d72ff/FLAGc75fdf574 [2022-11-25 23:28:36,563 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/data/db811a37c/b70fead49d484df09aca2bfdba2d72ff [2022-11-25 23:28:36,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:28:36,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:28:36,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:36,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:28:36,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:28:36,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bcb4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36, skipping insertion in model container [2022-11-25 23:28:36,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:28:36,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:28:36,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c[628,641] [2022-11-25 23:28:36,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:28:36,763 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:28:36,776 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c[628,641] [2022-11-25 23:28:36,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:28:36,790 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:28:36,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36 WrapperNode [2022-11-25 23:28:36,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:36,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:28:36,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:28:36,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:28:36,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,818 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 23:28:36,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:28:36,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:28:36,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:28:36,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:28:36,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:28:36,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:28:36,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:28:36,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:28:36,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (1/1) ... [2022-11-25 23:28:36,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:28:36,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:28:36,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:28:36,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:28:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:28:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:28:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:28:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-11-25 23:28:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-11-25 23:28:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:28:36,995 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:28:36,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:28:37,162 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:28:37,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:28:37,197 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:28:37,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:37 BoogieIcfgContainer [2022-11-25 23:28:37,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:28:37,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:28:37,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:28:37,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:28:37,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:28:36" (1/3) ... [2022-11-25 23:28:37,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468ea8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:28:37, skipping insertion in model container [2022-11-25 23:28:37,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:36" (2/3) ... [2022-11-25 23:28:37,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468ea8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:28:37, skipping insertion in model container [2022-11-25 23:28:37,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:37" (3/3) ... [2022-11-25 23:28:37,213 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_non_eq-3.c [2022-11-25 23:28:37,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:28:37,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 23:28:37,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468ea8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:28:37, skipping insertion in model container [2022-11-25 23:28:37,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:28:37,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:28:37,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:28:37,238 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:28:37,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:28:37" (3/3) ... [2022-11-25 23:28:37,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:28:37,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2022-11-25 23:28:37,258 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-25 23:28:37,258 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 23:28:37,258 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:28:37,259 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:28:37,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:28:37,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:28:37,317 INFO L158 Benchmark]: Toolchain (without parser) took 746.42ms. Allocated memory is still 140.5MB. Free memory was 107.9MB in the beginning and 80.3MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:28:37,318 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:28:37,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.06ms. Allocated memory is still 140.5MB. Free memory was 107.9MB in the beginning and 98.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:28:37,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.02ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:28:37,319 INFO L158 Benchmark]: Boogie Preprocessor took 16.21ms. Allocated memory is still 140.5MB. Free memory was 96.8MB in the beginning and 95.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:28:37,320 INFO L158 Benchmark]: RCFGBuilder took 364.04ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 85.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:28:37,321 INFO L158 Benchmark]: TraceAbstraction took 33.46ms. Allocated memory is still 140.5MB. Free memory was 84.5MB in the beginning and 82.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:28:37,321 INFO L158 Benchmark]: Witness Printer took 78.81ms. Allocated memory is still 140.5MB. Free memory was 82.5MB in the beginning and 80.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:28:37,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.06ms. Allocated memory is still 140.5MB. Free memory was 107.9MB in the beginning and 98.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.02ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.21ms. Allocated memory is still 140.5MB. Free memory was 96.8MB in the beginning and 95.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.04ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 85.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 33.46ms. Allocated memory is still 140.5MB. Free memory was 84.5MB in the beginning and 82.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 78.81ms. Allocated memory is still 140.5MB. Free memory was 82.5MB in the beginning and 80.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-25 23:28:37,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182b940d-ed5a-4aed-a8c1-363ac7fe3df0/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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