./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD --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 bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:47:28,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:47:28,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:47:28,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:47:28,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:47:28,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:47:28,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:47:28,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:47:28,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:47:28,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:47:28,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:47:28,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:47:28,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:47:28,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:47:28,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:47:28,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:47:28,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:47:28,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:47:28,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:47:28,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:47:28,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:47:28,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:47:28,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:47:28,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:47:28,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:47:28,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:47:28,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:47:28,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:47:28,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:47:28,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:47:28,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:47:28,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:47:28,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:47:28,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:47:28,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:47:28,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:47:28,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:47:28,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:47:28,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:47:28,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:47:28,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:47:28,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:47:28,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:47:28,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:47:28,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:47:28,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:47:28,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:47:28,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:47:28,353 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:47:28,354 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:47:28,354 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:47:28,354 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:47:28,355 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:47:28,356 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:47:28,356 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:47:28,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:47:28,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:47:28,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:47:28,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:47:28,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:47:28,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:47:28,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:47:28,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:47:28,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:47:28,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:47:28,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:47:28,358 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:47:28,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:47:28,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:47:28,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:47:28,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:47:28,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:47:28,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:47:28,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:47:28,363 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:47:28,363 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_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2021-10-28 22:47:28,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:47:28,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:47:28,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:47:28,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:47:28,657 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:47:28,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-10-28 22:47:28,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/data/ba7cac9af/54a74a339735419eb21f1f12afc9da93/FLAG959f70199 [2021-10-28 22:47:29,274 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:47:29,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-10-28 22:47:29,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/data/ba7cac9af/54a74a339735419eb21f1f12afc9da93/FLAG959f70199 [2021-10-28 22:47:29,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/data/ba7cac9af/54a74a339735419eb21f1f12afc9da93 [2021-10-28 22:47:29,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:47:29,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:47:29,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:47:29,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:47:29,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:47:29,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:47:29" (1/1) ... [2021-10-28 22:47:29,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b82a634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:29, skipping insertion in model container [2021-10-28 22:47:29,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:47:29" (1/1) ... [2021-10-28 22:47:29,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:47:29,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:47:29,915 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_e7fbee73-bb51-4855-975e-e749f5d2434c/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-10-28 22:47:29,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:47:29,925 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:47:30,012 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_e7fbee73-bb51-4855-975e-e749f5d2434c/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-10-28 22:47:30,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:47:30,028 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:47:30,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30 WrapperNode [2021-10-28 22:47:30,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:47:30,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:47:30,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:47:30,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:47:30,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:47:30,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:47:30,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:47:30,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:47:30,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:47:30,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:47:30,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:47:30,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:47:30,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (1/1) ... [2021-10-28 22:47:30,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:30,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:30,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:47:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:47:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:47:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:47:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:47:30,541 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,558 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,568 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,594 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,617 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,622 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,631 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,638 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,647 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,652 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,658 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:30,675 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:47:31,505 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-28 22:47:31,506 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-28 22:47:31,506 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-10-28 22:47:31,506 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-10-28 22:47:31,506 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-10-28 22:47:31,506 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-10-28 22:47:31,507 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-10-28 22:47:31,507 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-10-28 22:47:31,507 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-10-28 22:47:31,507 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-10-28 22:47:31,507 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-28 22:47:31,508 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-28 22:47:31,508 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-10-28 22:47:31,508 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-10-28 22:47:31,509 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-10-28 22:47:31,509 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-10-28 22:47:31,509 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-10-28 22:47:31,509 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-10-28 22:47:31,509 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-10-28 22:47:31,509 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-10-28 22:47:31,510 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-28 22:47:31,510 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-28 22:47:31,510 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-10-28 22:47:31,510 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-10-28 22:47:31,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:47:31,530 INFO L299 CfgBuilder]: Removed 152 assume(true) statements. [2021-10-28 22:47:31,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:31 BoogieIcfgContainer [2021-10-28 22:47:31,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:47:31,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:47:31,537 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:47:31,541 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:47:31,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:31,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:47:29" (1/3) ... [2021-10-28 22:47:31,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1233d9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:47:31, skipping insertion in model container [2021-10-28 22:47:31,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:31,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:30" (2/3) ... [2021-10-28 22:47:31,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1233d9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:47:31, skipping insertion in model container [2021-10-28 22:47:31,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:31,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:31" (3/3) ... [2021-10-28 22:47:31,546 INFO L389 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2021-10-28 22:47:31,591 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:47:31,591 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:47:31,591 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:47:31,592 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:47:31,592 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:47:31,592 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:47:31,592 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:47:31,592 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:47:31,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 299 states, 298 states have (on average 1.5469798657718121) internal successors, (461), 298 states have internal predecessors, (461), 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) [2021-10-28 22:47:31,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:47:31,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:47:31,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:47:31 BoogieIcfgContainer [2021-10-28 22:47:31,662 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:47:31,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:47:31,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:47:31,663 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:47:31,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:31" (3/4) ... [2021-10-28 22:47:31,667 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:47:31,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:47:31,669 INFO L168 Benchmark]: Toolchain (without parser) took 2068.93 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 62.1 MB in the beginning and 65.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:31,670 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:31,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.50 ms. Allocated memory is still 92.3 MB. Free memory was 62.0 MB in the beginning and 44.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:31,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.22 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 44.4 MB in the beginning and 87.5 MB in the end (delta: -43.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:31,673 INFO L168 Benchmark]: Boogie Preprocessor took 98.63 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 84.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:31,673 INFO L168 Benchmark]: RCFGBuilder took 1277.86 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 73.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:31,674 INFO L168 Benchmark]: BuchiAutomizer took 124.81 ms. Allocated memory is still 113.2 MB. Free memory was 72.6 MB in the beginning and 65.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:31,675 INFO L168 Benchmark]: Witness Printer took 4.35 ms. Allocated memory is still 113.2 MB. Free memory was 65.7 MB in the beginning and 65.1 MB in the end (delta: 568.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:31,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 413.50 ms. Allocated memory is still 92.3 MB. Free memory was 62.0 MB in the beginning and 44.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.22 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 44.4 MB in the beginning and 87.5 MB in the end (delta: -43.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.63 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 84.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1277.86 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 73.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 124.81 ms. Allocated memory is still 113.2 MB. Free memory was 72.6 MB in the beginning and 65.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.35 ms. Allocated memory is still 113.2 MB. Free memory was 65.7 MB in the beginning and 65.1 MB in the end (delta: 568.5 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! [2021-10-28 22:47:31,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fbee73-bb51-4855-975e-e749f5d2434c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...