./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o5.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_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/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 e8383605609727536c7199df6048e5c9703aa6e6 .................................................................................................................................................................................................................................................. 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 03:15:39,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:15:39,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:15:39,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:15:39,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:15:39,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:15:39,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:15:39,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:15:39,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:15:39,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:15:39,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:15:39,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:15:39,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:15:39,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:15:39,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:15:39,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:15:39,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:15:39,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:15:39,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:15:39,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:15:39,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:15:39,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:15:39,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:15:39,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:15:39,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:15:39,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:15:39,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:15:39,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:15:39,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:15:39,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:15:39,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:15:39,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:15:39,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:15:39,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:15:39,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:15:39,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:15:39,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:15:39,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:15:39,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:15:39,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:15:39,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:15:39,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 03:15:39,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:15:39,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:15:39,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:15:39,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:15:39,901 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:15:39,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:15:39,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:15:39,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:15:39,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:15:39,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:15:39,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:15:39,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:15:39,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:15:39,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:15:39,903 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:15:39,904 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:15:39,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:15:39,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:15:39,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:15:39,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:15:39,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:15:39,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:15:39,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:15:39,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:15:39,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:15:39,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:15:39,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:15:39,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:15:39,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:15:39,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:15:39,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:15:39,907 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_ad8614ad-f541-4159-b2f2-11e49b05d570/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8383605609727536c7199df6048e5c9703aa6e6 [2020-11-28 03:15:40,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:15:40,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:15:40,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:15:40,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:15:40,190 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:15:40,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2020-11-28 03:15:40,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/data/acd940440/9243d06c73104502a3434938412a929b/FLAG2192dcb89 [2020-11-28 03:15:40,848 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:15:40,849 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2020-11-28 03:15:40,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/data/acd940440/9243d06c73104502a3434938412a929b/FLAG2192dcb89 [2020-11-28 03:15:41,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/data/acd940440/9243d06c73104502a3434938412a929b [2020-11-28 03:15:41,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:15:41,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:15:41,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:41,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:15:41,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:15:41,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bc6100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41, skipping insertion in model container [2020-11-28 03:15:41,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:15:41,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:15:41,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:41,438 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:15:41,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:15:41,470 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:15:41,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41 WrapperNode [2020-11-28 03:15:41,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:15:41,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:41,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:15:41,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:15:41,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:15:41,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:15:41,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:15:41,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:15:41,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... [2020-11-28 03:15:41,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:15:41,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:15:41,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:15:41,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:15:41,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/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 [2020-11-28 03:15:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:15:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:15:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-11-28 03:15:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-11-28 03:15:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:15:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:15:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-11-28 03:15:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-11-28 03:15:42,062 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:15:42,062 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:15:42,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:42 BoogieIcfgContainer [2020-11-28 03:15:42,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:15:42,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:15:42,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:15:42,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:15:42,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:15:41" (1/3) ... [2020-11-28 03:15:42,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464625e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:42, skipping insertion in model container [2020-11-28 03:15:42,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:41" (2/3) ... [2020-11-28 03:15:42,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464625e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:15:42, skipping insertion in model container [2020-11-28 03:15:42,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:42" (3/3) ... [2020-11-28 03:15:42,077 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b3_o5.c [2020-11-28 03:15:42,089 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:15:42,093 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-28 03:15:42,105 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-28 03:15:42,144 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:15:42,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:15:42,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:15:42,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:15:42,145 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:15:42,145 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:15:42,146 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:15:42,146 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:15:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-11-28 03:15:42,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:15:42,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-11-28 03:15:42,260 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-11-28 03:15:42,261 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-11-28 03:15:42,261 INFO L274 CegarLoopResult]: For program point id2EXIT(lines 16 21) no Hoare annotation was computed. [2020-11-28 03:15:42,261 INFO L277 CegarLoopResult]: At program point id2ENTRY(lines 16 21) the Hoare annotation is: true [2020-11-28 03:15:42,261 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-28 03:15:42,261 INFO L274 CegarLoopResult]: For program point id2FINAL(lines 16 21) no Hoare annotation was computed. [2020-11-28 03:15:42,262 INFO L277 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-11-28 03:15:42,262 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:15:42,262 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:15:42,262 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:15:42,262 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:15:42,262 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-28 03:15:42,262 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-11-28 03:15:42,263 INFO L277 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-11-28 03:15:42,263 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-11-28 03:15:42,263 INFO L274 CegarLoopResult]: For program point L23(lines 23 29) no Hoare annotation was computed. [2020-11-28 03:15:42,264 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-28 03:15:42,264 INFO L274 CegarLoopResult]: For program point idFINAL(lines 9 14) no Hoare annotation was computed. [2020-11-28 03:15:42,264 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:15:42,264 INFO L277 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-11-28 03:15:42,264 INFO L274 CegarLoopResult]: For program point idEXIT(lines 9 14) no Hoare annotation was computed. [2020-11-28 03:15:42,264 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-11-28 03:15:42,265 INFO L274 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-11-28 03:15:42,265 INFO L277 CegarLoopResult]: At program point idENTRY(lines 9 14) the Hoare annotation is: true [2020-11-28 03:15:42,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:15:42 BoogieIcfgContainer [2020-11-28 03:15:42,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:15:42,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:15:42,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:15:42,275 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:15:42,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:42" (3/4) ... [2020-11-28 03:15:42,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:15:42,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2020-11-28 03:15:42,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-11-28 03:15:42,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-28 03:15:42,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:15:42,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:42,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:15:42,372 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ad8614ad-f541-4159-b2f2-11e49b05d570/bin/uautomizer/witness.graphml [2020-11-28 03:15:42,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:15:42,374 INFO L168 Benchmark]: Toolchain (without parser) took 1164.01 ms. Allocated memory is still 100.7 MB. Free memory was 72.9 MB in the beginning and 52.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:42,375 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:42,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.01 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 78.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:42,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.54 ms. Allocated memory is still 100.7 MB. Free memory was 78.4 MB in the beginning and 77.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:15:42,377 INFO L168 Benchmark]: Boogie Preprocessor took 16.18 ms. Allocated memory is still 100.7 MB. Free memory was 77.0 MB in the beginning and 75.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:42,378 INFO L168 Benchmark]: RCFGBuilder took 545.37 ms. Allocated memory is still 100.7 MB. Free memory was 75.9 MB in the beginning and 64.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:42,378 INFO L168 Benchmark]: TraceAbstraction took 203.58 ms. Allocated memory is still 100.7 MB. Free memory was 63.4 MB in the beginning and 55.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:42,378 INFO L168 Benchmark]: Witness Printer took 98.45 ms. Allocated memory is still 100.7 MB. Free memory was 55.0 MB in the beginning and 52.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:15:42,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.01 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 78.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.54 ms. Allocated memory is still 100.7 MB. Free memory was 78.4 MB in the beginning and 77.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.18 ms. Allocated memory is still 100.7 MB. Free memory was 77.0 MB in the beginning and 75.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 545.37 ms. Allocated memory is still 100.7 MB. Free memory was 75.9 MB in the beginning and 64.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 203.58 ms. Allocated memory is still 100.7 MB. Free memory was 63.4 MB in the beginning and 55.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 98.45 ms. Allocated memory is still 100.7 MB. Free memory was 55.0 MB in the beginning and 52.2 MB in the end (delta: 2.8 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 3 procedures, 24 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=24occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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...