./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL --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 f23c4102cc8cffc1c4a7a8ad49a8497c74f47f44c37be04f4ed5f1ca619fac2a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:22:51,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:22:51,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:22:51,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:22:51,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:22:51,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:22:51,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:22:51,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:22:51,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:22:51,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:22:51,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:22:51,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:22:51,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:22:51,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:22:51,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:22:51,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:22:51,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:22:51,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:22:51,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:22:51,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:22:51,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:22:51,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:22:51,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:22:51,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:22:51,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:22:51,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:22:51,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:22:51,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:22:51,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:22:51,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:22:51,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:22:51,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:22:51,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:22:51,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:22:51,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:22:51,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:22:51,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:22:51,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:22:51,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:22:51,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:22:51,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:22:51,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-19 05:22:51,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:22:51,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:22:51,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:22:51,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:22:51,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:22:51,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:22:51,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:22:51,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:22:51,726 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:22:51,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:22:51,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:22:51,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:22:51,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:22:51,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:22:51,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:22:51,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:22:51,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:22:51,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:22:51,730 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 05:22:51,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:22:51,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:22:51,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:22:51,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:22:51,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:22:51,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:22:51,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:22:51,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:22:51,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:22:51,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:22:51,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:22:51,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:22:51,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:22:51,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:22:51,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:22:51,736 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_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f23c4102cc8cffc1c4a7a8ad49a8497c74f47f44c37be04f4ed5f1ca619fac2a [2021-11-19 05:22:52,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:22:52,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:22:52,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:22:52,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:22:52,030 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:22:52,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2021-11-19 05:22:52,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/data/b68c64642/abf6d820def9438f9d70fed5f4bb2ed4/FLAG1223d6bd9 [2021-11-19 05:22:52,537 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:22:52,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2021-11-19 05:22:52,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/data/b68c64642/abf6d820def9438f9d70fed5f4bb2ed4/FLAG1223d6bd9 [2021-11-19 05:22:52,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/data/b68c64642/abf6d820def9438f9d70fed5f4bb2ed4 [2021-11-19 05:22:52,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:22:52,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:22:52,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:22:52,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:22:52,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:22:52,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:52" (1/1) ... [2021-11-19 05:22:52,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1224bf50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:52, skipping insertion in model container [2021-11-19 05:22:52,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:52" (1/1) ... [2021-11-19 05:22:52,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:22:52,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:22:53,168 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_6ff94ee7-fc98-4889-b03f-b0f9d0822305/sv-benchmarks/c/recursive-simple/id2_b3_o2.c[771,784] [2021-11-19 05:22:53,169 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:22:53,178 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:22:53,206 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_6ff94ee7-fc98-4889-b03f-b0f9d0822305/sv-benchmarks/c/recursive-simple/id2_b3_o2.c[771,784] [2021-11-19 05:22:53,207 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:22:53,223 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:22:53,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53 WrapperNode [2021-11-19 05:22:53,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:22:53,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:22:53,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:22:53,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:22:53,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,258 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-19 05:22:53,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:22:53,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:22:53,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:22:53,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:22:53,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:22:53,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:22:53,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:22:53,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:22:53,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (1/1) ... [2021-11-19 05:22:53,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:22:53,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:22:53,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:22:53,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:22:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:22:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:22:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-19 05:22:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-19 05:22:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:22:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:22:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-19 05:22:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-19 05:22:53,447 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:22:53,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:22:53,573 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:22:53,580 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:22:53,580 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:22:53,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:53 BoogieIcfgContainer [2021-11-19 05:22:53,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:22:53,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:22:53,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:22:53,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:22:53,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:52" (1/3) ... [2021-11-19 05:22:53,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed652cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:53, skipping insertion in model container [2021-11-19 05:22:53,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:53" (2/3) ... [2021-11-19 05:22:53,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed652cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:53, skipping insertion in model container [2021-11-19 05:22:53,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:53" (3/3) ... [2021-11-19 05:22:53,602 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b3_o2.c [2021-11-19 05:22:53,607 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:22:53,623 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 05:22:53,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed652cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:22:53, skipping insertion in model container [2021-11-19 05:22:53,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:22:53,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:22:53,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:22:53,626 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:22:53,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:53" (3/3) ... [2021-11-19 05:22:53,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:22:53,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-11-19 05:22:53,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-19 05:22:53,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 05:22:53,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 05:22:53,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:22:53,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:22:53,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:22:53,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:22:53,708 INFO L158 Benchmark]: Toolchain (without parser) took 749.35ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 78.9MB in the beginning and 90.3MB in the end (delta: -11.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-19 05:22:53,709 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 61.5MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:22:53,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.01ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 78.5MB in the beginning and 106.6MB in the end (delta: -28.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:22:53,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.56ms. Allocated memory is still 132.1MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:22:53,713 INFO L158 Benchmark]: Boogie Preprocessor took 34.61ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 104.0MB in the end (delta: 933.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:22:53,714 INFO L158 Benchmark]: RCFGBuilder took 299.05ms. Allocated memory is still 132.1MB. Free memory was 104.0MB in the beginning and 94.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:22:53,715 INFO L158 Benchmark]: TraceAbstraction took 29.57ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:22:53,716 INFO L158 Benchmark]: Witness Printer took 80.28ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 90.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:22:53,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 61.5MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.01ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 78.5MB in the beginning and 106.6MB in the end (delta: -28.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.56ms. Allocated memory is still 132.1MB. Free memory was 106.1MB in the beginning and 104.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.61ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 104.0MB in the end (delta: 933.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.05ms. Allocated memory is still 132.1MB. Free memory was 104.0MB in the beginning and 94.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 29.57ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 80.28ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 90.3MB in the end (delta: 2.7MB). 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! [2021-11-19 05:22:53,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ff94ee7-fc98-4889-b03f-b0f9d0822305/bin/uautomizer-ZXIjhQolGL/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