./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y --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 db1e722f73dbd7795cdbaca4c816f6c8a0f90138145d9f90bf0f222b7dd371eb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:17:47,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:17:47,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:17:47,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:17:47,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:17:47,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:17:47,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:17:47,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:17:47,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:17:47,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:17:47,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:17:47,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:17:47,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:17:47,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:17:47,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:17:47,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:17:47,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:17:47,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:17:47,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:17:47,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:17:47,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:17:47,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:17:47,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:17:47,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:17:47,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:17:47,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:17:47,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:17:47,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:17:47,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:17:47,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:17:47,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:17:47,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:17:47,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:17:47,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:17:47,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:17:47,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:17:47,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:17:47,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:17:47,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:17:47,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:17:47,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:17:47,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:17:47,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:17:47,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:17:47,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:17:47,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:17:47,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:17:47,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:17:47,880 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:17:47,881 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:17:47,881 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:17:47,881 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:17:47,881 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:17:47,882 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:17:47,882 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:17:47,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:17:47,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:17:47,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:17:47,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:17:47,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:17:47,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:17:47,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:17:47,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:17:47,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:17:47,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:17:47,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:17:47,884 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:17:47,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:17:47,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:17:47,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:17:47,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:17:47,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:17:47,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:17:47,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:17:47,894 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:17:47,894 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_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1e722f73dbd7795cdbaca4c816f6c8a0f90138145d9f90bf0f222b7dd371eb [2021-11-13 18:17:48,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:17:48,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:17:48,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:17:48,217 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:17:48,218 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:17:48,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-11-13 18:17:48,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/data/b8421be95/e692688253b147a78fe3729e7154033e/FLAGc4a40e2d0 [2021-11-13 18:17:48,841 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:17:48,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-11-13 18:17:48,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/data/b8421be95/e692688253b147a78fe3729e7154033e/FLAGc4a40e2d0 [2021-11-13 18:17:49,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/data/b8421be95/e692688253b147a78fe3729e7154033e [2021-11-13 18:17:49,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:17:49,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:17:49,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:49,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:17:49,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:17:49,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f74e582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49, skipping insertion in model container [2021-11-13 18:17:49,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:17:49,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:17:49,512 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_209193c9-2c25-437d-a441-2164d03f431e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-11-13 18:17:49,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:49,524 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:17:49,585 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_209193c9-2c25-437d-a441-2164d03f431e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-11-13 18:17:49,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:49,611 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:17:49,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49 WrapperNode [2021-11-13 18:17:49,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:49,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:49,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:17:49,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:17:49,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:49,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:17:49,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:17:49,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:17:49,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:17:49,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:17:49,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:17:49,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:17:49,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (1/1) ... [2021-11-13 18:17:49,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:17:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:17:49,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:17:49,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:17:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:17:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:17:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:17:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:17:49,946 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:49,953 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:49,960 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:49,966 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:49,976 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:49,986 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:49,995 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:50,537 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-13 18:17:50,538 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-13 18:17:50,538 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2021-11-13 18:17:50,538 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2021-11-13 18:17:50,539 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2021-11-13 18:17:50,539 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2021-11-13 18:17:50,539 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-13 18:17:50,539 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-13 18:17:50,539 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-11-13 18:17:50,540 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-11-13 18:17:50,540 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-13 18:17:50,540 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-13 18:17:50,540 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2021-11-13 18:17:50,540 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2021-11-13 18:17:50,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:17:50,551 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:17:50,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:17:50 BoogieIcfgContainer [2021-11-13 18:17:50,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:17:50,555 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:17:50,555 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:17:50,559 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:17:50,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:17:50,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:17:49" (1/3) ... [2021-11-13 18:17:50,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d26e854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:17:50, skipping insertion in model container [2021-11-13 18:17:50,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:17:50,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:49" (2/3) ... [2021-11-13 18:17:50,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d26e854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:17:50, skipping insertion in model container [2021-11-13 18:17:50,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:17:50,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:17:50" (3/3) ... [2021-11-13 18:17:50,565 INFO L388 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2021-11-13 18:17:50,612 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:17:50,612 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:17:50,613 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:17:50,613 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:17:50,613 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:17:50,613 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:17:50,613 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:17:50,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:17:50,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.4804469273743017) internal successors, (265), 179 states have internal predecessors, (265), 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) [2021-11-13 18:17:50,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:17:50,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:17:50,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:17:50 BoogieIcfgContainer [2021-11-13 18:17:50,673 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:17:50,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:17:50,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:17:50,674 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:17:50,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:17:50" (3/4) ... [2021-11-13 18:17:50,678 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:17:50,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:17:50,680 INFO L158 Benchmark]: Toolchain (without parser) took 1464.51ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.5MB in the beginning and 68.3MB in the end (delta: -15.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-11-13 18:17:50,681 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:17:50,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.59ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 78.8MB in the end (delta: -26.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-13 18:17:50,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.56ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:17:50,684 INFO L158 Benchmark]: Boogie Preprocessor took 48.35ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:17:50,685 INFO L158 Benchmark]: RCFGBuilder took 793.99ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 74.6MB in the end (delta: -1.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-11-13 18:17:50,686 INFO L158 Benchmark]: BuchiAutomizer took 117.81ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 68.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:17:50,687 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 107.0MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:17:50,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.59ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.3MB in the beginning and 78.8MB in the end (delta: -26.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.56ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.35ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 793.99ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 74.6MB in the end (delta: -1.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 117.81ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 68.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 107.0MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 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! [2021-11-13 18:17:50,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209193c9-2c25-437d-a441-2164d03f431e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE