./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8 --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 d08ec045f3070a7b4be2ee6fb5c0f639f90e227f ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:30:35,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:30:35,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:30:35,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:30:35,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:30:35,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:30:35,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:30:35,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:30:35,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:30:35,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:30:35,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:30:35,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:30:35,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:30:35,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:30:35,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:30:35,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:30:35,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:30:35,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:30:35,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:30:35,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:30:35,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:30:35,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:30:35,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:30:35,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:30:35,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:30:35,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:30:35,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:30:35,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:30:35,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:30:35,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:30:35,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:30:35,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:30:35,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:30:35,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:30:35,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:30:35,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:30:35,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:30:35,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:30:35,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:30:35,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:30:35,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:30:35,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-13 07:30:35,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:30:35,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:30:35,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:30:35,271 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:30:35,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:30:35,271 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:30:35,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:30:35,272 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:30:35,279 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:30:35,279 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:30:35,280 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:30:35,281 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:30:35,281 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:30:35,281 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:30:35,282 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:30:35,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:30:35,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:30:35,283 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:30:35,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:30:35,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:30:35,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:30:35,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:30:35,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:30:35,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:30:35,285 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 07:30:35,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:30:35,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:30:35,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:30:35,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:30:35,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:30:35,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:30:35,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:30:35,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:30:35,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:30:35,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:30:35,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:30:35,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:30:35,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:30:35,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:30:35,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:30:35,289 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08ec045f3070a7b4be2ee6fb5c0f639f90e227f [2021-10-13 07:30:35,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:30:35,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:30:35,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:30:35,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:30:35,671 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:30:35,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2021-10-13 07:30:35,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/data/0c371f378/aedc2255537f4491a9380432de6326c6/FLAG2bf1de6c7 [2021-10-13 07:30:36,189 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:30:36,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2021-10-13 07:30:36,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/data/0c371f378/aedc2255537f4491a9380432de6326c6/FLAG2bf1de6c7 [2021-10-13 07:30:36,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/data/0c371f378/aedc2255537f4491a9380432de6326c6 [2021-10-13 07:30:36,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:30:36,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:30:36,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:30:36,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:30:36,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:30:36,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f1c5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36, skipping insertion in model container [2021-10-13 07:30:36,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:30:36,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:30:36,746 WARN L228 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_66fac4db-af7c-464b-b165-412b3a0d2398/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2021-10-13 07:30:36,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:30:36,755 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:30:36,768 WARN L228 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_66fac4db-af7c-464b-b165-412b3a0d2398/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2021-10-13 07:30:36,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:30:36,782 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:30:36,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36 WrapperNode [2021-10-13 07:30:36,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:30:36,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:30:36,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:30:36,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:30:36,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:30:36,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:30:36,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:30:36,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:30:36,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:30:36,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:30:36,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:30:36,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:30:36,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (1/1) ... [2021-10-13 07:30:36,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:30:36,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:30:36,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:30:36,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:30:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:30:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:30:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-13 07:30:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-13 07:30:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:30:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:30:37,209 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:30:37,209 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 07:30:37,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:30:37 BoogieIcfgContainer [2021-10-13 07:30:37,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:30:37,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:30:37,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:30:37,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:30:37,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:30:36" (1/3) ... [2021-10-13 07:30:37,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bf35fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:30:37, skipping insertion in model container [2021-10-13 07:30:37,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:36" (2/3) ... [2021-10-13 07:30:37,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bf35fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:30:37, skipping insertion in model container [2021-10-13 07:30:37,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:30:37" (3/3) ... [2021-10-13 07:30:37,235 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2021-10-13 07:30:37,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:30:37,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 07:30:37,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bf35fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:30:37, skipping insertion in model container [2021-10-13 07:30:37,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:30:37,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:30:37,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:30:37,258 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:30:37,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:30:37" (3/3) ... [2021-10-13 07:30:37,262 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:30:37,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-10-13 07:30:37,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 07:30:37,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:30:37,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:30:37,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:30:37,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:30:37,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:30:37,309 INFO L168 Benchmark]: Toolchain (without parser) took 703.99 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 61.7 MB in the beginning and 112.7 MB in the end (delta: -51.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:30:37,309 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 77.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:30:37,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.10 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 52.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:30:37,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.07 ms. Allocated memory is still 100.7 MB. Free memory was 52.3 MB in the beginning and 51.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:30:37,311 INFO L168 Benchmark]: Boogie Preprocessor took 18.25 ms. Allocated memory is still 100.7 MB. Free memory was 50.9 MB in the beginning and 50.1 MB in the end (delta: 791.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:30:37,312 INFO L168 Benchmark]: RCFGBuilder took 378.36 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 50.0 MB in the beginning and 116.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:30:37,313 INFO L168 Benchmark]: TraceAbstraction took 42.45 ms. Allocated memory is still 146.8 MB. Free memory was 116.9 MB in the beginning and 115.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:30:37,313 INFO L168 Benchmark]: Witness Printer took 49.03 ms. Allocated memory is still 146.8 MB. Free memory was 115.9 MB in the beginning and 112.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:30:37,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 77.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 177.10 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 52.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.07 ms. Allocated memory is still 100.7 MB. Free memory was 52.3 MB in the beginning and 51.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.25 ms. Allocated memory is still 100.7 MB. Free memory was 50.9 MB in the beginning and 50.1 MB in the end (delta: 791.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 378.36 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 50.0 MB in the beginning and 116.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42.45 ms. Allocated memory is still 146.8 MB. Free memory was 116.9 MB in the beginning and 115.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 49.03 ms. Allocated memory is still 146.8 MB. Free memory was 115.9 MB in the beginning and 112.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-13 07:30:37,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66fac4db-af7c-464b-b165-412b3a0d2398/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...