./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/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_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC --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 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:33:03,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:03,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:03,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:03,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:03,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:03,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:03,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:03,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:03,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:03,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:03,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:03,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:03,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:03,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:03,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:03,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:03,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:03,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:03,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:03,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:03,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:03,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:03,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:03,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:03,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:03,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:03,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:03,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:03,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:03,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:03,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:03,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:03,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:03,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:03,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:03,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:03,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:03,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:03,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:03,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:03,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:33:03,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:03,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:03,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:03,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:03,286 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:03,286 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:33:03,286 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:33:03,286 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:33:03,286 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:33:03,287 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:33:03,288 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:33:03,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:03,288 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:03,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:33:03,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:03,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:03,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:03,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:33:03,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:33:03,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:33:03,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:03,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:03,290 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:33:03,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:03,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:33:03,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:03,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:03,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:03,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:03,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:03,294 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:33:03,294 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_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 [2021-10-11 00:33:03,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:03,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:03,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:03,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:03,642 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:03,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-10-11 00:33:03,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/data/828de9bb8/3137feb9887c4e5caf8c715fe051f9c9/FLAGf45b1c1fb [2021-10-11 00:33:04,283 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:04,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-10-11 00:33:04,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/data/828de9bb8/3137feb9887c4e5caf8c715fe051f9c9/FLAGf45b1c1fb [2021-10-11 00:33:04,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/data/828de9bb8/3137feb9887c4e5caf8c715fe051f9c9 [2021-10-11 00:33:04,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:04,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:04,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:04,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:04,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:04,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:04" (1/1) ... [2021-10-11 00:33:04,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eebfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:04, skipping insertion in model container [2021-10-11 00:33:04,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:04" (1/1) ... [2021-10-11 00:33:04,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:04,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:04,959 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-10-11 00:33:04,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:04,969 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:05,039 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-10-11 00:33:05,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:05,071 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:05,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05 WrapperNode [2021-10-11 00:33:05,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:05,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:05,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:05,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:05,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:05,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:05,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:05,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:05,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... [2021-10-11 00:33:05,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:05,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:05,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:05,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:05,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e12086-bb13-4e1d-9b6a-fdaa9792790f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:05,610 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,633 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,645 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,677 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,702 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,708 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,734 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,743 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,753 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,759 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,765 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:05,785 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:33:06,733 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-11 00:33:06,733 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-11 00:33:06,733 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-10-11 00:33:06,733 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-10-11 00:33:06,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-10-11 00:33:06,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-10-11 00:33:06,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-10-11 00:33:06,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-10-11 00:33:06,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-10-11 00:33:06,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-10-11 00:33:06,735 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-11 00:33:06,735 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-11 00:33:06,735 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-10-11 00:33:06,735 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-10-11 00:33:06,735 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-10-11 00:33:06,736 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-10-11 00:33:06,736 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-10-11 00:33:06,737 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-10-11 00:33:06,737 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-10-11 00:33:06,737 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-10-11 00:33:06,737 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-11 00:33:06,737 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-11 00:33:06,737 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-10-11 00:33:06,738 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-10-11 00:33:06,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:06,767 INFO L299 CfgBuilder]: Removed 152 assume(true) statements. [2021-10-11 00:33:06,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:06 BoogieIcfgContainer [2021-10-11 00:33:06,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:06,771 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:33:06,771 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:33:06,777 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:33:06,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:33:06,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:33:04" (1/3) ... [2021-10-11 00:33:06,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4997ef03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:33:06, skipping insertion in model container [2021-10-11 00:33:06,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:33:06,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:05" (2/3) ... [2021-10-11 00:33:06,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4997ef03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:33:06, skipping insertion in model container [2021-10-11 00:33:06,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:33:06,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:06" (3/3) ... [2021-10-11 00:33:06,785 INFO L389 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2021-10-11 00:33:06,853 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:33:06,853 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:33:06,853 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:33:06,853 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:06,854 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:06,854 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:33:06,854 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:06,854 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:33:06,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 299 states. [2021-10-11 00:33:06,951 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:33:06,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:33:06,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:33:06 BoogieIcfgContainer [2021-10-11 00:33:06,956 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:33:06,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:06,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:06,958 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:06,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:06" (3/4) ... [2021-10-11 00:33:06,962 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:33:06,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:06,965 INFO L168 Benchmark]: Toolchain (without parser) took 2362.55 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.2 MB in the beginning and 63.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:06,966 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 78.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:06,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.80 ms. Allocated memory is still 98.6 MB. Free memory was 61.0 MB in the beginning and 67.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:06,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.01 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 62.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:06,969 INFO L168 Benchmark]: Boogie Preprocessor took 101.05 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 58.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:06,971 INFO L168 Benchmark]: RCFGBuilder took 1485.87 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 71.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:06,972 INFO L168 Benchmark]: BuchiAutomizer took 185.41 ms. Allocated memory is still 119.5 MB. Free memory was 71.5 MB in the beginning and 63.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:06,973 INFO L168 Benchmark]: Witness Printer took 5.31 ms. Allocated memory is still 119.5 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:06,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 78.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.80 ms. Allocated memory is still 98.6 MB. Free memory was 61.0 MB in the beginning and 67.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.01 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 62.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.05 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 58.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1485.87 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 71.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 185.41 ms. Allocated memory is still 119.5 MB. Free memory was 71.5 MB in the beginning and 63.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.31 ms. Allocated memory is still 119.5 MB. Free memory is still 63.6 MB. 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 0.1s 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! Received shutdown request...