./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o100.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer --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 27ee5823c4f9461fe660077edf879109ec85120b ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:31:47,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:31:47,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:31:47,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:31:47,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:31:47,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:31:47,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:31:47,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:31:47,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:31:47,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:31:47,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:31:47,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:31:47,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:31:47,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:31:47,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:31:47,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:31:47,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:31:47,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:31:47,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:31:47,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:31:47,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:31:47,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:31:47,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:31:47,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:31:47,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:31:47,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:31:47,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:31:47,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:31:47,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:31:47,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:31:47,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:31:47,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:31:47,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:31:47,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:31:47,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:31:47,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:31:47,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:31:47,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:31:47,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:31:47,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:31:47,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:31:47,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-12-01 15:31:47,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:31:47,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:31:47,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:31:47,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:31:47,954 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:31:47,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:31:47,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:31:47,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:31:47,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:31:47,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:31:47,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:31:47,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:31:47,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:31:47,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:31:47,958 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:31:47,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:31:47,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:31:47,958 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:31:47,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:31:47,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:31:47,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:31:47,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:31:47,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:31:47,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:31:47,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:31:47,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:31:47,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:31:47,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:31:47,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:31:47,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:31:47,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:31:47,962 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-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ee5823c4f9461fe660077edf879109ec85120b [2020-12-01 15:31:48,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:31:48,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:31:48,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:31:48,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:31:48,386 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:31:48,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_o100.c [2020-12-01 15:31:48,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/data/f4b3c4a1b/0fd5684f35754de7beac953164ba8f19/FLAG15ef10fb4 [2020-12-01 15:31:49,048 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:31:49,049 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/sv-benchmarks/c/recursive-simple/id_o100.c [2020-12-01 15:31:49,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/data/f4b3c4a1b/0fd5684f35754de7beac953164ba8f19/FLAG15ef10fb4 [2020-12-01 15:31:49,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/data/f4b3c4a1b/0fd5684f35754de7beac953164ba8f19 [2020-12-01 15:31:49,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:31:49,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:31:49,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:31:49,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:31:49,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:31:49,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecd9eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49, skipping insertion in model container [2020-12-01 15:31:49,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:31:49,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:31:49,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:31:49,656 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:31:49,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:31:49,687 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:31:49,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49 WrapperNode [2020-12-01 15:31:49,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:31:49,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:31:49,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:31:49,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:31:49,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:31:49,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:31:49,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:31:49,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:31:49,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... [2020-12-01 15:31:49,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:31:49,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:31:49,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:31:49,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:31:49,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/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 [2020-12-01 15:31:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:31:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:31:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:31:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-12-01 15:31:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-12-01 15:31:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:31:50,124 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:31:50,125 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 15:31:50,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:31:50 BoogieIcfgContainer [2020-12-01 15:31:50,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:31:50,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:31:50,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:31:50,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:31:50,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:31:49" (1/3) ... [2020-12-01 15:31:50,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220fd2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:31:50, skipping insertion in model container [2020-12-01 15:31:50,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:31:49" (2/3) ... [2020-12-01 15:31:50,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220fd2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:31:50, skipping insertion in model container [2020-12-01 15:31:50,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:31:50" (3/3) ... [2020-12-01 15:31:50,140 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o100.c [2020-12-01 15:31:50,156 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:31:50,165 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-01 15:31:50,184 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-01 15:31:50,224 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:31:50,224 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:31:50,224 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:31:50,224 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:31:50,225 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:31:50,225 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:31:50,225 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:31:50,225 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:31:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-12-01 15:31:50,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:31:50,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-12-01 15:31:50,329 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:31:50,329 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:31:50,329 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:31:50,329 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:31:50,330 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-12-01 15:31:50,330 INFO L262 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-12-01 15:31:50,330 INFO L265 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-12-01 15:31:50,330 INFO L262 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-12-01 15:31:50,330 INFO L262 CegarLoopResult]: For program point L11(lines 11 17) no Hoare annotation was computed. [2020-12-01 15:31:50,331 INFO L262 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-12-01 15:31:50,331 INFO L262 CegarLoopResult]: For program point idFINAL(lines 6 9) no Hoare annotation was computed. [2020-12-01 15:31:50,331 INFO L262 CegarLoopResult]: For program point idEXIT(lines 6 9) no Hoare annotation was computed. [2020-12-01 15:31:50,331 INFO L265 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-12-01 15:31:50,331 INFO L265 CegarLoopResult]: At program point idENTRY(lines 6 9) the Hoare annotation is: true [2020-12-01 15:31:50,331 INFO L262 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-12-01 15:31:50,332 INFO L262 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-12-01 15:31:50,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:31:50 BoogieIcfgContainer [2020-12-01 15:31:50,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:31:50,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:31:50,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:31:50,353 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:31:50,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:31:50" (3/4) ... [2020-12-01 15:31:50,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:31:50,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-12-01 15:31:50,381 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 15:31:50,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:31:50,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:31:50,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:31:50,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5cfa77d9-7442-49be-8b01-c41baea0b6af/bin/uautomizer/witness.graphml [2020-12-01 15:31:50,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:31:50,495 INFO L168 Benchmark]: Toolchain (without parser) took 1088.57 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 47.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:31:50,496 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 67.6 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:31:50,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.01 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 71.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:31:50,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:31:50,501 INFO L168 Benchmark]: Boogie Preprocessor took 19.72 ms. Allocated memory is still 94.4 MB. Free memory was 70.3 MB in the beginning and 69.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:31:50,502 INFO L168 Benchmark]: RCFGBuilder took 381.77 ms. Allocated memory is still 94.4 MB. Free memory was 69.3 MB in the beginning and 58.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:31:50,503 INFO L168 Benchmark]: TraceAbstraction took 206.01 ms. Allocated memory is still 94.4 MB. Free memory was 58.1 MB in the beginning and 50.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:31:50,505 INFO L168 Benchmark]: Witness Printer took 139.79 ms. Allocated memory is still 94.4 MB. Free memory was 50.5 MB in the beginning and 47.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:31:50,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 67.6 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.01 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 71.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.72 ms. Allocated memory is still 94.4 MB. Free memory was 70.3 MB in the beginning and 69.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 381.77 ms. Allocated memory is still 94.4 MB. Free memory was 69.3 MB in the beginning and 58.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 206.01 ms. Allocated memory is still 94.4 MB. Free memory was 58.1 MB in the beginning and 50.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 139.79 ms. Allocated memory is still 94.4 MB. Free memory was 50.5 MB in the beginning and 47.9 MB in the end (delta: 2.5 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, 16 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=16occurred 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...