./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:11:05,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:11:05,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:11:05,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:11:05,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:11:05,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:11:05,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:11:05,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:11:05,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:11:05,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:11:05,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:11:05,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:11:05,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:11:05,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:11:05,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:11:05,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:11:05,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:11:05,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:11:05,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:11:05,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:11:05,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:11:05,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:11:05,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:11:05,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:11:05,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:11:05,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:11:05,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:11:05,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:11:05,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:11:05,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:11:05,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:11:05,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:11:05,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:11:05,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:11:05,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:11:05,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:11:05,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:11:05,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:11:05,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:11:05,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:11:05,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:11:05,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:11:05,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:11:05,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:11:05,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:11:05,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:11:05,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:11:05,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:11:05,802 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:11:05,802 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:11:05,802 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:11:05,803 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:11:05,803 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:11:05,803 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:11:05,804 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:11:05,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:11:05,804 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:11:05,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:11:05,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:11:05,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:11:05,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:11:05,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:11:05,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:11:05,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:11:05,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:11:05,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:11:05,808 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:11:05,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:11:05,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:11:05,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:11:05,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:11:05,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:11:05,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:11:05,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:11:05,811 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:11:05,812 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_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde [2021-10-28 23:11:06,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:11:06,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:11:06,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:11:06,193 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:11:06,199 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:11:06,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2021-10-28 23:11:06,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/data/6a2b1080d/8070f5e4cc4a432d85f7f96e6bb2695c/FLAGaa40a6960 [2021-10-28 23:11:07,091 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:11:07,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2021-10-28 23:11:07,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/data/6a2b1080d/8070f5e4cc4a432d85f7f96e6bb2695c/FLAGaa40a6960 [2021-10-28 23:11:07,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/data/6a2b1080d/8070f5e4cc4a432d85f7f96e6bb2695c [2021-10-28 23:11:07,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:11:07,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:11:07,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:07,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:11:07,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:11:07,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:07" (1/1) ... [2021-10-28 23:11:07,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61579104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:07, skipping insertion in model container [2021-10-28 23:11:07,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:07" (1/1) ... [2021-10-28 23:11:07,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:11:07,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:11:07,838 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_1a577750-d471-4338-89d6-ef67b1c44415/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2021-10-28 23:11:07,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:07,852 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:11:07,977 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_1a577750-d471-4338-89d6-ef67b1c44415/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2021-10-28 23:11:07,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:08,014 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:11:08,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08 WrapperNode [2021-10-28 23:11:08,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:08,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:08,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:11:08,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:11:08,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:08,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:11:08,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:11:08,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:11:08,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:11:08,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:11:08,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:11:08,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:11:08,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (1/1) ... [2021-10-28 23:11:08,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:11:08,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:11:08,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:11:08,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:11:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:11:08,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:11:08,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:11:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:11:08,731 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,740 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,755 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,771 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,781 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,811 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,822 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,857 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,868 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,903 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,911 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:08,935 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:11:10,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-28 23:11:10,149 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-28 23:11:10,149 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-10-28 23:11:10,149 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-10-28 23:11:10,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-10-28 23:11:10,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-10-28 23:11:10,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-10-28 23:11:10,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-10-28 23:11:10,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-10-28 23:11:10,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-10-28 23:11:10,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-28 23:11:10,152 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-28 23:11:10,152 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-10-28 23:11:10,152 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-10-28 23:11:10,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-10-28 23:11:10,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-10-28 23:11:10,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-10-28 23:11:10,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-10-28 23:11:10,154 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-10-28 23:11:10,154 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-10-28 23:11:10,154 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-28 23:11:10,154 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-28 23:11:10,155 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-10-28 23:11:10,155 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-10-28 23:11:10,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:11:10,170 INFO L299 CfgBuilder]: Removed 154 assume(true) statements. [2021-10-28 23:11:10,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:10 BoogieIcfgContainer [2021-10-28 23:11:10,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:11:10,175 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:11:10,176 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:11:10,181 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:11:10,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:11:10,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:11:07" (1/3) ... [2021-10-28 23:11:10,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8038b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:11:10, skipping insertion in model container [2021-10-28 23:11:10,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:11:10,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:08" (2/3) ... [2021-10-28 23:11:10,185 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8038b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:11:10, skipping insertion in model container [2021-10-28 23:11:10,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:11:10,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:10" (3/3) ... [2021-10-28 23:11:10,188 INFO L389 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2021-10-28 23:11:10,339 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:11:10,340 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:11:10,340 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:11:10,341 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:11:10,342 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:11:10,342 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:11:10,342 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:11:10,343 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:11:10,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 300 states, 299 states have (on average 1.5451505016722409) internal successors, (462), 299 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:10,497 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:11:10,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:11:10,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:11:10 BoogieIcfgContainer [2021-10-28 23:11:10,507 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:11:10,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:11:10,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:11:10,510 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:11:10,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:10" (3/4) ... [2021-10-28 23:11:10,516 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:11:10,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:11:10,521 INFO L168 Benchmark]: Toolchain (without parser) took 3166.67 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 61.3 MB in the beginning and 84.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 267.6 kB. Max. memory is 16.1 GB. [2021-10-28 23:11:10,523 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:10,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.31 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 63.6 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:10,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.39 ms. Allocated memory is still 94.4 MB. Free memory was 63.6 MB in the beginning and 58.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:10,529 INFO L168 Benchmark]: Boogie Preprocessor took 142.59 ms. Allocated memory is still 94.4 MB. Free memory was 58.2 MB in the beginning and 54.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:10,530 INFO L168 Benchmark]: RCFGBuilder took 1844.60 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 54.3 MB in the beginning and 60.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:10,532 INFO L168 Benchmark]: BuchiAutomizer took 332.04 ms. Allocated memory is still 119.5 MB. Free memory was 60.3 MB in the beginning and 84.9 MB in the end (delta: -24.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:10,533 INFO L168 Benchmark]: Witness Printer took 6.11 ms. Allocated memory is still 119.5 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:10,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 657.31 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 63.6 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 167.39 ms. Allocated memory is still 94.4 MB. Free memory was 63.6 MB in the beginning and 58.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 142.59 ms. Allocated memory is still 94.4 MB. Free memory was 58.2 MB in the beginning and 54.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1844.60 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 54.3 MB in the beginning and 60.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 332.04 ms. Allocated memory is still 119.5 MB. Free memory was 60.3 MB in the beginning and 84.9 MB in the end (delta: -24.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.11 ms. Allocated memory is still 119.5 MB. Free memory is still 84.9 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 0.2s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:11:10,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a577750-d471-4338-89d6-ef67b1c44415/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...