./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:53:02,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:53:02,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:53:02,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:53:02,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:53:02,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:53:02,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:53:02,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:53:02,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:53:02,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:53:02,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:53:02,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:53:02,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:53:02,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:53:02,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:53:02,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:53:02,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:53:02,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:53:02,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:53:02,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:53:02,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:53:02,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:53:02,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:53:02,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:53:02,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:53:02,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:53:02,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:53:02,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:53:02,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:53:02,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:53:02,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:53:02,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:53:02,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:53:02,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:53:02,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:53:02,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:53:02,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:53:02,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:53:02,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:53:02,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:53:02,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:53:02,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-20 06:53:03,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:53:03,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:53:03,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:53:03,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:53:03,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:53:03,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:53:03,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:53:03,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:53:03,029 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:53:03,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:53:03,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:53:03,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:53:03,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:53:03,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:53:03,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:53:03,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:53:03,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:53:03,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:53:03,032 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 06:53:03,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:53:03,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:53:03,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:53:03,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:53:03,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:53:03,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:53:03,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:53:03,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:53:03,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:53:03,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:53:03,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:53:03,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:53:03,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:53:03,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:53:03,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:53:03,038 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_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 [2021-11-20 06:53:03,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:53:03,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:53:03,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:53:03,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:53:03,333 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:53:03,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2021-11-20 06:53:03,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/data/15a73f172/b8d67c259fd14b198be3050ca9e2ba09/FLAG054491b5c [2021-11-20 06:53:03,912 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:53:03,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2021-11-20 06:53:03,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/data/15a73f172/b8d67c259fd14b198be3050ca9e2ba09/FLAG054491b5c [2021-11-20 06:53:04,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/data/15a73f172/b8d67c259fd14b198be3050ca9e2ba09 [2021-11-20 06:53:04,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:53:04,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:53:04,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:53:04,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:53:04,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:53:04,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b235cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04, skipping insertion in model container [2021-11-20 06:53:04,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:53:04,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:53:04,526 WARN L230 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_eb086f82-23c7-4dce-a21c-9d2dc5745e20/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2021-11-20 06:53:04,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:53:04,540 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:53:04,558 WARN L230 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_eb086f82-23c7-4dce-a21c-9d2dc5745e20/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2021-11-20 06:53:04,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:53:04,572 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:53:04,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04 WrapperNode [2021-11-20 06:53:04,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:53:04,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:53:04,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:53:04,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:53:04,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,612 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-20 06:53:04,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:53:04,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:53:04,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:53:04,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:53:04,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:53:04,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:53:04,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:53:04,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:53:04,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (1/1) ... [2021-11-20 06:53:04,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:53:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:04,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:04,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:53:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:53:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:53:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:53:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-11-20 06:53:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-11-20 06:53:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:53:04,793 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:53:04,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:53:04,929 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:53:04,935 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:53:04,935 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:53:04,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:04 BoogieIcfgContainer [2021-11-20 06:53:04,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:53:04,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:53:04,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:53:04,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:53:04,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:53:04" (1/3) ... [2021-11-20 06:53:04,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2867a86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:53:04, skipping insertion in model container [2021-11-20 06:53:04,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:04" (2/3) ... [2021-11-20 06:53:04,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2867a86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:53:04, skipping insertion in model container [2021-11-20 06:53:04,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:04" (3/3) ... [2021-11-20 06:53:04,949 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2021-11-20 06:53:04,954 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:53:04,955 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-20 06:53:04,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2867a86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:53:04, skipping insertion in model container [2021-11-20 06:53:04,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:53:04,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:53:04,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:53:04,957 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:53:04,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:04" (3/3) ... [2021-11-20 06:53:04,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:53:04,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-11-20 06:53:04,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 06:53:04,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-20 06:53:04,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:53:04,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:53:05,004 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:53:05,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:53:05,006 INFO L158 Benchmark]: Toolchain (without parser) took 727.80ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 58.6MB in the end (delta: 5.5MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-20 06:53:05,007 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:53:05,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.71ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 73.1MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:53:05,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.85ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:53:05,008 INFO L158 Benchmark]: Boogie Preprocessor took 24.62ms. Allocated memory is still 96.5MB. Free memory was 71.9MB in the beginning and 70.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:53:05,009 INFO L158 Benchmark]: RCFGBuilder took 297.80ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 62.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:53:05,009 INFO L158 Benchmark]: TraceAbstraction took 17.85ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 61.1MB in the end (delta: 916.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:53:05,010 INFO L158 Benchmark]: Witness Printer took 47.78ms. Allocated memory is still 96.5MB. Free memory was 61.1MB in the beginning and 58.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:53:05,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.71ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 73.1MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.85ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.62ms. Allocated memory is still 96.5MB. Free memory was 71.9MB in the beginning and 70.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.80ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 62.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17.85ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 61.1MB in the end (delta: 916.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 47.78ms. Allocated memory is still 96.5MB. Free memory was 61.1MB in the beginning and 58.6MB in the end (delta: 2.4MB). 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-20 06:53:05,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb086f82-23c7-4dce-a21c-9d2dc5745e20/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE