./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o200.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o200.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC --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 1f41df6642bcad6fc27c1e4ed254dda115f1619b ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:19:59,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:59,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:59,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:59,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:59,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:59,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:59,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:59,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:59,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:59,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:59,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:59,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:59,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:59,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:59,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:59,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:59,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:59,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:59,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:59,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:59,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:59,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:59,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:59,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:59,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:59,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:59,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:59,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:59,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:59,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:59,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:59,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:59,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:59,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:59,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:59,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:59,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:59,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:59,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:59,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:59,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-11 00:19:59,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:59,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:59,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:59,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:59,773 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:59,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:59,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:59,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:19:59,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:19:59,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:59,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:59,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:19:59,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:19:59,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:19:59,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:19:59,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:59,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:59,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:59,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:19:59,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:59,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:59,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:19:59,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:59,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:59,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:19:59,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:19:59,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:19:59,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:19:59,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:19:59,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:59,780 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_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f41df6642bcad6fc27c1e4ed254dda115f1619b [2021-10-11 00:20:00,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:00,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:00,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:00,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:00,140 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:00,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/recursive-simple/id_o200.c [2021-10-11 00:20:00,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/data/a2f8de50b/574e03309506445891d8240ea3426523/FLAG8a8909274 [2021-10-11 00:20:00,648 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:00,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/sv-benchmarks/c/recursive-simple/id_o200.c [2021-10-11 00:20:00,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/data/a2f8de50b/574e03309506445891d8240ea3426523/FLAG8a8909274 [2021-10-11 00:20:01,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/data/a2f8de50b/574e03309506445891d8240ea3426523 [2021-10-11 00:20:01,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:01,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:01,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:01,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:01,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:01,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d575a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01, skipping insertion in model container [2021-10-11 00:20:01,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:01,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:01,171 WARN L226 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_97a5000f-0634-4636-8211-d61e329d4723/sv-benchmarks/c/recursive-simple/id_o200.c[518,531] [2021-10-11 00:20:01,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:01,182 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:01,196 WARN L226 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_97a5000f-0634-4636-8211-d61e329d4723/sv-benchmarks/c/recursive-simple/id_o200.c[518,531] [2021-10-11 00:20:01,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:01,213 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:01,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01 WrapperNode [2021-10-11 00:20:01,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:01,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:01,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:01,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:01,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:01,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:01,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:01,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:01,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:01,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:01,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:01,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:01,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-11 00:20:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-11 00:20:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:01,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:01,705 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 00:20:01,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:01 BoogieIcfgContainer [2021-10-11 00:20:01,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:01,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:01,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:01,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:01,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:01" (1/3) ... [2021-10-11 00:20:01,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e97021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:01, skipping insertion in model container [2021-10-11 00:20:01,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01" (2/3) ... [2021-10-11 00:20:01,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e97021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:01, skipping insertion in model container [2021-10-11 00:20:01,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:01" (3/3) ... [2021-10-11 00:20:01,717 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o200.c [2021-10-11 00:20:01,731 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:01,734 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-10-11 00:20:01,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-10-11 00:20:01,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:01,768 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:01,768 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:01,769 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:01,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:01,769 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:01,769 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:01,769 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2021-10-11 00:20:01,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:01,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2021-10-11 00:20:01,846 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:01,846 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:01,847 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:01,847 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:01,847 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-11 00:20:01,847 INFO L262 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2021-10-11 00:20:01,848 INFO L265 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2021-10-11 00:20:01,848 INFO L262 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-10-11 00:20:01,848 INFO L262 CegarLoopResult]: For program point L11(lines 11 17) no Hoare annotation was computed. [2021-10-11 00:20:01,848 INFO L262 CegarLoopResult]: For program point idFINAL(lines 6 9) no Hoare annotation was computed. [2021-10-11 00:20:01,848 INFO L262 CegarLoopResult]: For program point idEXIT(lines 6 9) no Hoare annotation was computed. [2021-10-11 00:20:01,849 INFO L265 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2021-10-11 00:20:01,849 INFO L265 CegarLoopResult]: At program point idENTRY(lines 6 9) the Hoare annotation is: true [2021-10-11 00:20:01,849 INFO L262 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2021-10-11 00:20:01,849 INFO L262 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2021-10-11 00:20:01,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:01 BoogieIcfgContainer [2021-10-11 00:20:01,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:01,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:01,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:01,854 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:01,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:01" (3/4) ... [2021-10-11 00:20:01,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:01,865 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-11 00:20:01,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-11 00:20:01,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:20:01,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:01,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:01,904 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a5000f-0634-4636-8211-d61e329d4723/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:01,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:01,907 INFO L168 Benchmark]: Toolchain (without parser) took 894.96 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 51.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:01,907 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:01,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.20 ms. Allocated memory is still 88.1 MB. Free memory was 66.6 MB in the beginning and 59.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:01,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.81 ms. Allocated memory is still 88.1 MB. Free memory was 59.1 MB in the beginning and 57.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:01,910 INFO L168 Benchmark]: Boogie Preprocessor took 19.11 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 56.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:01,910 INFO L168 Benchmark]: RCFGBuilder took 443.65 ms. Allocated memory is still 88.1 MB. Free memory was 56.8 MB in the beginning and 62.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:01,911 INFO L168 Benchmark]: TraceAbstraction took 144.08 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 53.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:01,912 INFO L168 Benchmark]: Witness Printer took 50.98 ms. Allocated memory is still 88.1 MB. Free memory was 53.9 MB in the beginning and 51.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:01,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 202.20 ms. Allocated memory is still 88.1 MB. Free memory was 66.6 MB in the beginning and 59.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.81 ms. Allocated memory is still 88.1 MB. Free memory was 59.1 MB in the beginning and 57.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.11 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 56.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 443.65 ms. Allocated memory is still 88.1 MB. Free memory was 56.8 MB in the beginning and 62.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 144.08 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 53.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 50.98 ms. Allocated memory is still 88.1 MB. Free memory was 53.9 MB in the beginning and 51.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 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=15occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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...