./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb0d163b15d3c265ca05b2b9dcc84c96a983bffe ............................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:51:15,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:51:15,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:51:15,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:51:15,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:51:15,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:51:15,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:51:15,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:51:15,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:51:15,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:51:15,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:51:15,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:51:15,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:51:15,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:51:15,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:51:15,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:51:15,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:51:15,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:51:15,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:51:15,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:51:15,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:51:15,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:51:15,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:51:15,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:51:15,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:51:15,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:51:15,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:51:15,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:51:15,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:51:15,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:51:15,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:51:15,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:51:15,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:51:15,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:51:15,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:51:15,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:51:15,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:51:15,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:51:15,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:51:15,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:51:15,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:51:15,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:51:15,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:51:15,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:51:15,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:51:15,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:51:15,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:51:15,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:51:15,548 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:51:15,548 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:51:15,548 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:51:15,549 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:51:15,549 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:51:15,549 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:51:15,549 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:51:15,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:51:15,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:51:15,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:51:15,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:51:15,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:51:15,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:51:15,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:51:15,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:51:15,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:51:15,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:51:15,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:51:15,552 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:51:15,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:51:15,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:51:15,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:51:15,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:51:15,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:51:15,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:51:15,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:51:15,556 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:51:15,556 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0d163b15d3c265ca05b2b9dcc84c96a983bffe [2021-10-13 00:51:15,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:51:15,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:51:15,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:51:15,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:51:15,948 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:51:15,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-10-13 00:51:16,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/data/7255fab56/1a7abd0a8bb841fcbfb075991421c2f2/FLAGa1351d75c [2021-10-13 00:51:16,691 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:51:16,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-10-13 00:51:16,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/data/7255fab56/1a7abd0a8bb841fcbfb075991421c2f2/FLAGa1351d75c [2021-10-13 00:51:16,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/data/7255fab56/1a7abd0a8bb841fcbfb075991421c2f2 [2021-10-13 00:51:16,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:51:16,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:51:16,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:51:16,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:51:17,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:51:17,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:16" (1/1) ... [2021-10-13 00:51:17,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e16678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17, skipping insertion in model container [2021-10-13 00:51:17,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:16" (1/1) ... [2021-10-13 00:51:17,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:51:17,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:51:17,356 WARN L228 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_2b238215-324f-4da4-bd81-96772c3422ad/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-10-13 00:51:17,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:51:17,369 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:51:17,430 WARN L228 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_2b238215-324f-4da4-bd81-96772c3422ad/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-10-13 00:51:17,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:51:17,458 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:51:17,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17 WrapperNode [2021-10-13 00:51:17,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:51:17,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:51:17,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:51:17,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:51:17,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:51:17,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:51:17,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:51:17,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:51:17,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:51:17,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:51:17,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:51:17,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:51:17,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (1/1) ... [2021-10-13 00:51:17,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:51:17,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:51:17,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:51:17,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:51:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:51:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:51:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:51:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:51:17,926 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:17,952 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:17,977 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:17,985 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:18,015 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:18,024 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:18,049 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:51:18,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-13 00:51:18,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-13 00:51:18,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2021-10-13 00:51:18,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2021-10-13 00:51:18,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2021-10-13 00:51:18,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2021-10-13 00:51:18,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-10-13 00:51:18,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-10-13 00:51:18,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-10-13 00:51:18,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-10-13 00:51:18,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-10-13 00:51:18,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-10-13 00:51:18,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2021-10-13 00:51:18,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2021-10-13 00:51:18,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:51:18,796 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-10-13 00:51:18,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:18 BoogieIcfgContainer [2021-10-13 00:51:18,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:51:18,801 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:51:18,801 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:51:18,807 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:51:18,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:51:18,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:51:16" (1/3) ... [2021-10-13 00:51:18,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16da4f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:51:18, skipping insertion in model container [2021-10-13 00:51:18,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:51:18,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:17" (2/3) ... [2021-10-13 00:51:18,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16da4f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:51:18, skipping insertion in model container [2021-10-13 00:51:18,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:51:18,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:18" (3/3) ... [2021-10-13 00:51:18,813 INFO L389 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2021-10-13 00:51:18,864 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:51:18,864 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:51:18,864 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:51:18,865 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:51:18,865 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:51:18,865 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:51:18,865 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:51:18,865 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:51:18,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 157 states, 156 states have (on average 1.5512820512820513) internal successors, (242), 156 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:51:18,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:51:18,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:51:18,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:51:18 BoogieIcfgContainer [2021-10-13 00:51:18,938 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:51:18,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:51:18,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:51:18,939 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:51:18,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:18" (3/4) ... [2021-10-13 00:51:18,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:51:18,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:51:18,947 INFO L168 Benchmark]: Toolchain (without parser) took 1962.34 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 50.9 MB in the beginning and 62.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:18,948 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:51:18,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.40 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 50.7 MB in the beginning and 100.4 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:18,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.25 ms. Allocated memory is still 130.0 MB. Free memory was 100.4 MB in the beginning and 97.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:18,952 INFO L168 Benchmark]: Boogie Preprocessor took 106.52 ms. Allocated memory is still 130.0 MB. Free memory was 97.1 MB in the beginning and 94.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:18,953 INFO L168 Benchmark]: RCFGBuilder took 1114.27 ms. Allocated memory is still 130.0 MB. Free memory was 94.9 MB in the beginning and 69.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:18,954 INFO L168 Benchmark]: BuchiAutomizer took 136.59 ms. Allocated memory is still 130.0 MB. Free memory was 69.0 MB in the beginning and 62.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:18,955 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 130.0 MB. Free memory was 62.7 MB in the beginning and 62.1 MB in the end (delta: 600.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:51:18,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.40 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 50.7 MB in the beginning and 100.4 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.25 ms. Allocated memory is still 130.0 MB. Free memory was 100.4 MB in the beginning and 97.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.52 ms. Allocated memory is still 130.0 MB. Free memory was 97.1 MB in the beginning and 94.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1114.27 ms. Allocated memory is still 130.0 MB. Free memory was 94.9 MB in the beginning and 69.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 136.59 ms. Allocated memory is still 130.0 MB. Free memory was 69.0 MB in the beginning and 62.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 130.0 MB. Free memory was 62.7 MB in the beginning and 62.1 MB in the end (delta: 600.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:51:19,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b238215-324f-4da4-bd81-96772c3422ad/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...