./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/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_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/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_cefbc56a-e8e4-4401-a128-047e1443255e/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_cefbc56a-e8e4-4401-a128-047e1443255e/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 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 ........................................................................................................................................................................................................................................................... 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 00:28:44,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:28:44,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:28:45,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:28:45,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:28:45,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:28:45,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:28:45,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:28:45,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:28:45,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:28:45,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:28:45,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:28:45,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:28:45,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:28:45,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:28:45,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:28:45,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:28:45,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:28:45,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:28:45,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:28:45,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:28:45,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:28:45,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:28:45,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:28:45,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:28:45,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:28:45,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:28:45,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:28:45,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:28:45,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:28:45,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:28:45,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:28:45,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:28:45,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:28:45,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:28:45,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:28:45,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:28:45,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:28:45,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:28:45,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:28:45,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:28:45,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:28:45,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:28:45,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:28:45,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:28:45,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:28:45,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:28:45,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:28:45,151 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:28:45,152 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:28:45,152 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:28:45,152 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:28:45,153 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:28:45,153 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:28:45,154 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:28:45,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:28:45,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:28:45,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:28:45,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:28:45,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:28:45,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:28:45,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:28:45,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:28:45,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:28:45,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:28:45,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:28:45,157 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:28:45,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:28:45,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:28:45,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:28:45,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:28:45,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:28:45,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:28:45,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:28:45,161 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:28:45,161 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_cefbc56a-e8e4-4401-a128-047e1443255e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 [2021-10-13 00:28:45,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:28:45,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:28:45,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:28:45,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:28:45,459 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:28:45,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-10-13 00:28:45,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/data/8cb6a501c/ddd5887d4d98496d96d5e86b86012f8d/FLAG96fa8dd40 [2021-10-13 00:28:46,001 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:28:46,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-10-13 00:28:46,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/data/8cb6a501c/ddd5887d4d98496d96d5e86b86012f8d/FLAG96fa8dd40 [2021-10-13 00:28:46,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/data/8cb6a501c/ddd5887d4d98496d96d5e86b86012f8d [2021-10-13 00:28:46,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:28:46,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:28:46,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:28:46,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:28:46,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:28:46,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2807a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46, skipping insertion in model container [2021-10-13 00:28:46,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:28:46,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:28:46,708 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_cefbc56a-e8e4-4401-a128-047e1443255e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-10-13 00:28:46,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:28:46,718 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:28:46,795 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_cefbc56a-e8e4-4401-a128-047e1443255e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-10-13 00:28:46,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:28:46,811 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:28:46,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46 WrapperNode [2021-10-13 00:28:46,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:28:46,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:28:46,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:28:46,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:28:46,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:28:46,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:28:46,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:28:46,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:28:46,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:46,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:28:47,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:28:47,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:28:47,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:28:47,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (1/1) ... [2021-10-13 00:28:47,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:28:47,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:28:47,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:28:47,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:28:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:28:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:28:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:28:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:28:47,300 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,307 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,316 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,337 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,345 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,350 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,379 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,396 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,404 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,424 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,427 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:47,445 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:28:48,232 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-13 00:28:48,233 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-13 00:28:48,233 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-10-13 00:28:48,233 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-10-13 00:28:48,233 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-10-13 00:28:48,233 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-10-13 00:28:48,233 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-10-13 00:28:48,234 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-10-13 00:28:48,234 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-10-13 00:28:48,234 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-10-13 00:28:48,234 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-13 00:28:48,234 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-13 00:28:48,234 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-10-13 00:28:48,235 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-10-13 00:28:48,236 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-13 00:28:48,236 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-13 00:28:48,236 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-10-13 00:28:48,236 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-10-13 00:28:48,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:28:48,268 INFO L299 CfgBuilder]: Removed 152 assume(true) statements. [2021-10-13 00:28:48,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:28:48 BoogieIcfgContainer [2021-10-13 00:28:48,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:28:48,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:28:48,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:28:48,285 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:28:48,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:28:48,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:28:46" (1/3) ... [2021-10-13 00:28:48,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@176c8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:28:48, skipping insertion in model container [2021-10-13 00:28:48,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:28:48,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:28:46" (2/3) ... [2021-10-13 00:28:48,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@176c8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:28:48, skipping insertion in model container [2021-10-13 00:28:48,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:28:48,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:28:48" (3/3) ... [2021-10-13 00:28:48,289 INFO L389 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2021-10-13 00:28:48,330 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:28:48,331 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:28:48,331 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:28:48,331 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:28:48,331 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:28:48,331 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:28:48,331 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:28:48,331 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:28:48,370 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) [2021-10-13 00:28:48,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:28:48,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:28:48,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:28:48 BoogieIcfgContainer [2021-10-13 00:28:48,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:28:48,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:28:48,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:28:48,420 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:28:48,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:28:48" (3/4) ... [2021-10-13 00:28:48,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:28:48,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:28:48,426 INFO L168 Benchmark]: Toolchain (without parser) took 2057.12 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 6.7 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:28:48,427 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:28:48,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.99 ms. Allocated memory is still 96.5 MB. Free memory was 60.4 MB in the beginning and 64.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:28:48,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.68 ms. Allocated memory is still 96.5 MB. Free memory was 64.8 MB in the beginning and 59.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:28:48,430 INFO L168 Benchmark]: Boogie Preprocessor took 81.42 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 55.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:28:48,431 INFO L168 Benchmark]: RCFGBuilder took 1264.87 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 68.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:28:48,432 INFO L168 Benchmark]: BuchiAutomizer took 141.86 ms. Allocated memory is still 117.4 MB. Free memory was 68.2 MB in the beginning and 60.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:28:48,433 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 117.4 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:28:48,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.99 ms. Allocated memory is still 96.5 MB. Free memory was 60.4 MB in the beginning and 64.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.68 ms. Allocated memory is still 96.5 MB. Free memory was 64.8 MB in the beginning and 59.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.42 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 55.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1264.87 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 68.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 141.86 ms. Allocated memory is still 117.4 MB. Free memory was 68.2 MB in the beginning and 60.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.65 ms. Allocated memory is still 117.4 MB. Free memory is still 60.7 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 0.0s 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 00:28:48,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefbc56a-e8e4-4401-a128-047e1443255e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...