./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan --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 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:35:11,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:35:11,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:35:12,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:35:12,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:35:12,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:35:12,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:35:12,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:35:12,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:35:12,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:35:12,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:35:12,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:35:12,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:35:12,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:35:12,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:35:12,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:35:12,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:35:12,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:35:12,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:35:12,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:35:12,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:35:12,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:35:12,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:35:12,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:35:12,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:35:12,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:35:12,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:35:12,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:35:12,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:35:12,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:35:12,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:35:12,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:35:12,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:35:12,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:35:12,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:35:12,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:35:12,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:35:12,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:35:12,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:35:12,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:35:12,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:35:12,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-28 07:35:12,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:35:12,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:35:12,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:35:12,141 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:35:12,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:35:12,141 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:35:12,142 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:35:12,142 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:35:12,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:35:12,142 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:35:12,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:35:12,144 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:35:12,144 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:35:12,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:35:12,145 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:35:12,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:35:12,146 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:35:12,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:35:12,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:35:12,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:35:12,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:35:12,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:35:12,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:35:12,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:35:12,148 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:35:12,148 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:35:12,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:35:12,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:35:12,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:35:12,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:35:12,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:35:12,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:35:12,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:35:12,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:35:12,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:35:12,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:35:12,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:35:12,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:35:12,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:35:12,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:35:12,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:35:12,155 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-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8 [2020-11-28 07:35:12,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:35:12,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:35:12,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:35:12,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:35:12,505 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:35:12,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c [2020-11-28 07:35:12,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/data/2f34587ae/d74924d9f91f45468a812747f8e7f679/FLAG578b88853 [2020-11-28 07:35:13,325 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:35:13,325 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/sv-benchmarks/c/psyco/psyco_abp_1-3.c [2020-11-28 07:35:13,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/data/2f34587ae/d74924d9f91f45468a812747f8e7f679/FLAG578b88853 [2020-11-28 07:35:13,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/data/2f34587ae/d74924d9f91f45468a812747f8e7f679 [2020-11-28 07:35:13,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:35:13,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:35:13,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:35:13,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:35:13,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:35:13,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:13" (1/1) ... [2020-11-28 07:35:13,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af29df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:13, skipping insertion in model container [2020-11-28 07:35:13,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:35:13" (1/1) ... [2020-11-28 07:35:13,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:35:13,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:35:14,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:35:14,124 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:35:14,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:35:14,293 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:35:14,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14 WrapperNode [2020-11-28 07:35:14,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:35:14,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:35:14,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:35:14,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:35:14,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:35:14,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:35:14,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:35:14,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:35:14,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... [2020-11-28 07:35:14,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:35:14,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:35:14,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:35:14,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:35:14,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:35:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:35:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:35:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:35:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:35:15,984 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:35:15,984 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:35:15,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:15 BoogieIcfgContainer [2020-11-28 07:35:15,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:35:15,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:35:15,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:35:15,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:35:15,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:35:13" (1/3) ... [2020-11-28 07:35:16,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497abd91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:16, skipping insertion in model container [2020-11-28 07:35:16,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:35:14" (2/3) ... [2020-11-28 07:35:16,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497abd91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:35:16, skipping insertion in model container [2020-11-28 07:35:16,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:15" (3/3) ... [2020-11-28 07:35:16,014 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-3.c [2020-11-28 07:35:16,027 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:35:16,043 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-28 07:35:16,056 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-28 07:35:16,079 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:35:16,080 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:35:16,080 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:35:16,080 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:35:16,080 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:35:16,080 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:35:16,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:35:16,081 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:35:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-11-28 07:35:16,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:35:16,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 106 states. [2020-11-28 07:35:16,169 INFO L274 CegarLoopResult]: For program point L432(lines 432 434) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L300(lines 300 302) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L168(lines 168 170) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L532(lines 532 534) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L400(lines 400 402) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L268(lines 268 270) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L500(lines 500 502) no Hoare annotation was computed. [2020-11-28 07:35:16,170 INFO L274 CegarLoopResult]: For program point L368(lines 368 370) no Hoare annotation was computed. [2020-11-28 07:35:16,171 INFO L274 CegarLoopResult]: For program point L468(lines 468 470) no Hoare annotation was computed. [2020-11-28 07:35:16,171 INFO L274 CegarLoopResult]: For program point L41(lines 41 60) no Hoare annotation was computed. [2020-11-28 07:35:16,171 INFO L274 CegarLoopResult]: For program point L42(lines 42 57) no Hoare annotation was computed. [2020-11-28 07:35:16,171 INFO L274 CegarLoopResult]: For program point L142(lines 142 157) no Hoare annotation was computed. [2020-11-28 07:35:16,171 INFO L274 CegarLoopResult]: For program point L242(lines 242 257) no Hoare annotation was computed. [2020-11-28 07:35:16,172 INFO L274 CegarLoopResult]: For program point L110(lines 110 125) no Hoare annotation was computed. [2020-11-28 07:35:16,172 INFO L274 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2020-11-28 07:35:16,172 INFO L274 CegarLoopResult]: For program point L342(lines 342 357) no Hoare annotation was computed. [2020-11-28 07:35:16,172 INFO L274 CegarLoopResult]: For program point L210(lines 210 225) no Hoare annotation was computed. [2020-11-28 07:35:16,172 INFO L274 CegarLoopResult]: For program point L144(lines 144 155) no Hoare annotation was computed. [2020-11-28 07:35:16,172 INFO L274 CegarLoopResult]: For program point L78(lines 78 93) no Hoare annotation was computed. [2020-11-28 07:35:16,173 INFO L274 CegarLoopResult]: For program point L442(lines 442 457) no Hoare annotation was computed. [2020-11-28 07:35:16,173 INFO L274 CegarLoopResult]: For program point L310(lines 310 325) no Hoare annotation was computed. [2020-11-28 07:35:16,173 INFO L274 CegarLoopResult]: For program point L244(lines 244 255) no Hoare annotation was computed. [2020-11-28 07:35:16,173 INFO L274 CegarLoopResult]: For program point L178(lines 178 193) no Hoare annotation was computed. [2020-11-28 07:35:16,173 INFO L274 CegarLoopResult]: For program point L112(lines 112 123) no Hoare annotation was computed. [2020-11-28 07:35:16,174 INFO L274 CegarLoopResult]: For program point L542(lines 542 557) no Hoare annotation was computed. [2020-11-28 07:35:16,174 INFO L274 CegarLoopResult]: For program point L410(lines 410 425) no Hoare annotation was computed. [2020-11-28 07:35:16,174 INFO L274 CegarLoopResult]: For program point L344(lines 344 355) no Hoare annotation was computed. [2020-11-28 07:35:16,174 INFO L274 CegarLoopResult]: For program point L278(lines 278 293) no Hoare annotation was computed. [2020-11-28 07:35:16,174 INFO L274 CegarLoopResult]: For program point L212(lines 212 223) no Hoare annotation was computed. [2020-11-28 07:35:16,174 INFO L274 CegarLoopResult]: For program point L80(lines 80 91) no Hoare annotation was computed. [2020-11-28 07:35:16,175 INFO L274 CegarLoopResult]: For program point L510(lines 510 525) no Hoare annotation was computed. [2020-11-28 07:35:16,175 INFO L274 CegarLoopResult]: For program point L444(lines 444 455) no Hoare annotation was computed. [2020-11-28 07:35:16,175 INFO L274 CegarLoopResult]: For program point L378(lines 378 393) no Hoare annotation was computed. [2020-11-28 07:35:16,175 INFO L274 CegarLoopResult]: For program point L312(lines 312 323) no Hoare annotation was computed. [2020-11-28 07:35:16,175 INFO L274 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-11-28 07:35:16,175 INFO L274 CegarLoopResult]: For program point L48(lines 48 50) no Hoare annotation was computed. [2020-11-28 07:35:16,176 INFO L274 CegarLoopResult]: For program point L544(lines 544 555) no Hoare annotation was computed. [2020-11-28 07:35:16,176 INFO L274 CegarLoopResult]: For program point L478(lines 478 493) no Hoare annotation was computed. [2020-11-28 07:35:16,176 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 07:35:16,176 INFO L274 CegarLoopResult]: For program point L280(lines 280 291) no Hoare annotation was computed. [2020-11-28 07:35:16,176 INFO L274 CegarLoopResult]: For program point L148(lines 148 150) no Hoare annotation was computed. [2020-11-28 07:35:16,177 INFO L277 CegarLoopResult]: At program point L16(lines 16 568) the Hoare annotation is: true [2020-11-28 07:35:16,177 INFO L274 CegarLoopResult]: For program point L512(lines 512 523) no Hoare annotation was computed. [2020-11-28 07:35:16,177 INFO L274 CegarLoopResult]: For program point L380(lines 380 391) no Hoare annotation was computed. [2020-11-28 07:35:16,177 INFO L274 CegarLoopResult]: For program point L248(lines 248 250) no Hoare annotation was computed. [2020-11-28 07:35:16,177 INFO L274 CegarLoopResult]: For program point L116(lines 116 118) no Hoare annotation was computed. [2020-11-28 07:35:16,177 INFO L274 CegarLoopResult]: For program point L480(lines 480 491) no Hoare annotation was computed. [2020-11-28 07:35:16,178 INFO L274 CegarLoopResult]: For program point L348(lines 348 350) no Hoare annotation was computed. [2020-11-28 07:35:16,178 INFO L274 CegarLoopResult]: For program point L216(lines 216 218) no Hoare annotation was computed. [2020-11-28 07:35:16,178 INFO L274 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-11-28 07:35:16,178 INFO L274 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-11-28 07:35:16,178 INFO L274 CegarLoopResult]: For program point L316(lines 316 318) no Hoare annotation was computed. [2020-11-28 07:35:16,179 INFO L274 CegarLoopResult]: For program point L184(lines 184 186) no Hoare annotation was computed. [2020-11-28 07:35:16,179 INFO L274 CegarLoopResult]: For program point L548(lines 548 550) no Hoare annotation was computed. [2020-11-28 07:35:16,179 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-28 07:35:16,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:35:16,179 INFO L274 CegarLoopResult]: For program point L284(lines 284 286) no Hoare annotation was computed. [2020-11-28 07:35:16,180 INFO L277 CegarLoopResult]: At program point L549(lines 16 568) the Hoare annotation is: true [2020-11-28 07:35:16,180 INFO L274 CegarLoopResult]: For program point L516(lines 516 518) no Hoare annotation was computed. [2020-11-28 07:35:16,180 INFO L274 CegarLoopResult]: For program point L384(lines 384 386) no Hoare annotation was computed. [2020-11-28 07:35:16,180 INFO L274 CegarLoopResult]: For program point L484(lines 484 486) no Hoare annotation was computed. [2020-11-28 07:35:16,180 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:35:16,180 INFO L277 CegarLoopResult]: At program point L26-2(lines 26 563) the Hoare annotation is: true [2020-11-28 07:35:16,181 INFO L274 CegarLoopResult]: For program point L26-3(lines 26 563) no Hoare annotation was computed. [2020-11-28 07:35:16,181 INFO L274 CegarLoopResult]: For program point L126(lines 126 141) no Hoare annotation was computed. [2020-11-28 07:35:16,181 INFO L274 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-11-28 07:35:16,181 INFO L274 CegarLoopResult]: For program point L94(lines 94 109) no Hoare annotation was computed. [2020-11-28 07:35:16,181 INFO L274 CegarLoopResult]: For program point L61(lines 61 160) no Hoare annotation was computed. [2020-11-28 07:35:16,181 INFO L274 CegarLoopResult]: For program point L326(lines 326 341) no Hoare annotation was computed. [2020-11-28 07:35:16,182 INFO L274 CegarLoopResult]: For program point L194(lines 194 209) no Hoare annotation was computed. [2020-11-28 07:35:16,182 INFO L274 CegarLoopResult]: For program point L161(lines 161 260) no Hoare annotation was computed. [2020-11-28 07:35:16,182 INFO L274 CegarLoopResult]: For program point L128(lines 128 139) no Hoare annotation was computed. [2020-11-28 07:35:16,182 INFO L274 CegarLoopResult]: For program point L62(lines 62 77) no Hoare annotation was computed. [2020-11-28 07:35:16,182 INFO L274 CegarLoopResult]: For program point L426(lines 426 441) no Hoare annotation was computed. [2020-11-28 07:35:16,182 INFO L274 CegarLoopResult]: For program point L294(lines 294 309) no Hoare annotation was computed. [2020-11-28 07:35:16,183 INFO L274 CegarLoopResult]: For program point L261(lines 261 360) no Hoare annotation was computed. [2020-11-28 07:35:16,183 INFO L274 CegarLoopResult]: For program point L228(lines 228 239) no Hoare annotation was computed. [2020-11-28 07:35:16,183 INFO L274 CegarLoopResult]: For program point L162(lines 162 177) no Hoare annotation was computed. [2020-11-28 07:35:16,183 INFO L274 CegarLoopResult]: For program point L96(lines 96 107) no Hoare annotation was computed. [2020-11-28 07:35:16,183 INFO L277 CegarLoopResult]: At program point L559(lines 26 563) the Hoare annotation is: true [2020-11-28 07:35:16,184 INFO L274 CegarLoopResult]: For program point L526(lines 526 541) no Hoare annotation was computed. [2020-11-28 07:35:16,184 INFO L274 CegarLoopResult]: For program point L394(lines 394 409) no Hoare annotation was computed. [2020-11-28 07:35:16,184 INFO L274 CegarLoopResult]: For program point L361(lines 361 460) no Hoare annotation was computed. [2020-11-28 07:35:16,184 INFO L274 CegarLoopResult]: For program point L328(lines 328 339) no Hoare annotation was computed. [2020-11-28 07:35:16,184 INFO L274 CegarLoopResult]: For program point L262(lines 262 277) no Hoare annotation was computed. [2020-11-28 07:35:16,185 INFO L274 CegarLoopResult]: For program point L196(lines 196 207) no Hoare annotation was computed. [2020-11-28 07:35:16,185 INFO L274 CegarLoopResult]: For program point L64(lines 64 75) no Hoare annotation was computed. [2020-11-28 07:35:16,185 INFO L274 CegarLoopResult]: For program point L494(lines 494 509) no Hoare annotation was computed. [2020-11-28 07:35:16,185 INFO L274 CegarLoopResult]: For program point L461(lines 461 560) no Hoare annotation was computed. [2020-11-28 07:35:16,185 INFO L274 CegarLoopResult]: For program point L428(lines 428 439) no Hoare annotation was computed. [2020-11-28 07:35:16,185 INFO L274 CegarLoopResult]: For program point L362(lines 362 377) no Hoare annotation was computed. [2020-11-28 07:35:16,186 INFO L274 CegarLoopResult]: For program point L296(lines 296 307) no Hoare annotation was computed. [2020-11-28 07:35:16,186 INFO L274 CegarLoopResult]: For program point L164(lines 164 175) no Hoare annotation was computed. [2020-11-28 07:35:16,186 INFO L274 CegarLoopResult]: For program point L528(lines 528 539) no Hoare annotation was computed. [2020-11-28 07:35:16,186 INFO L274 CegarLoopResult]: For program point L462(lines 462 477) no Hoare annotation was computed. [2020-11-28 07:35:16,186 INFO L274 CegarLoopResult]: For program point L396(lines 396 407) no Hoare annotation was computed. [2020-11-28 07:35:16,186 INFO L274 CegarLoopResult]: For program point L264(lines 264 275) no Hoare annotation was computed. [2020-11-28 07:35:16,187 INFO L274 CegarLoopResult]: For program point L132(lines 132 134) no Hoare annotation was computed. [2020-11-28 07:35:16,187 INFO L274 CegarLoopResult]: For program point L496(lines 496 507) no Hoare annotation was computed. [2020-11-28 07:35:16,187 INFO L274 CegarLoopResult]: For program point L364(lines 364 375) no Hoare annotation was computed. [2020-11-28 07:35:16,187 INFO L274 CegarLoopResult]: For program point L232(lines 232 234) no Hoare annotation was computed. [2020-11-28 07:35:16,188 INFO L274 CegarLoopResult]: For program point L100(lines 100 102) no Hoare annotation was computed. [2020-11-28 07:35:16,188 INFO L274 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-11-28 07:35:16,188 INFO L274 CegarLoopResult]: For program point L332(lines 332 334) no Hoare annotation was computed. [2020-11-28 07:35:16,188 INFO L274 CegarLoopResult]: For program point L200(lines 200 202) no Hoare annotation was computed. [2020-11-28 07:35:16,188 INFO L274 CegarLoopResult]: For program point L68(lines 68 70) no Hoare annotation was computed. [2020-11-28 07:35:16,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:35:16 BoogieIcfgContainer [2020-11-28 07:35:16,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:35:16,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:35:16,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:35:16,201 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:35:16,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:35:15" (3/4) ... [2020-11-28 07:35:16,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:35:16,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 07:35:16,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:35:16,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:35:16,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:35:16,275 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d7a93ea5-0813-496a-b02d-34a8e665e1a5/bin/utaipan/witness.graphml [2020-11-28 07:35:16,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:35:16,284 INFO L168 Benchmark]: Toolchain (without parser) took 2675.28 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 67.3 MB in the beginning and 76.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,284 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 55.5 MB in the beginning and 55.4 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:35:16,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.52 ms. Allocated memory is still 98.6 MB. Free memory was 67.1 MB in the beginning and 65.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.61 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 60.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,287 INFO L168 Benchmark]: Boogie Preprocessor took 101.22 ms. Allocated memory is still 98.6 MB. Free memory was 60.3 MB in the beginning and 57.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,288 INFO L168 Benchmark]: RCFGBuilder took 1507.46 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 57.3 MB in the beginning and 91.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,288 INFO L168 Benchmark]: TraceAbstraction took 209.52 ms. Allocated memory is still 119.5 MB. Free memory was 91.2 MB in the beginning and 79.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,289 INFO L168 Benchmark]: Witness Printer took 74.80 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 76.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:35:16,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 55.5 MB in the beginning and 55.4 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 691.52 ms. Allocated memory is still 98.6 MB. Free memory was 67.1 MB in the beginning and 65.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.61 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 60.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.22 ms. Allocated memory is still 98.6 MB. Free memory was 60.3 MB in the beginning and 57.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1507.46 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 57.3 MB in the beginning and 91.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 209.52 ms. Allocated memory is still 119.5 MB. Free memory was 91.2 MB in the beginning and 79.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 74.80 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 76.5 MB in the end (delta: 3.3 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. - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 106 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...