./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:27:34,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:27:34,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:27:34,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:27:34,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:27:34,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:27:34,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:27:34,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:27:34,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:27:34,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:27:34,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:27:34,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:27:34,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:27:34,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:27:34,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:27:34,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:27:34,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:27:34,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:27:34,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:27:34,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:27:34,970 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:27:34,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:27:34,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:27:34,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:27:34,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:27:34,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:27:34,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:27:34,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:27:34,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:27:34,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:27:34,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:27:34,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:27:34,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:27:34,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:27:34,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:27:34,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:27:34,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:27:34,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:27:34,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:27:34,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:27:34,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:27:34,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:27:34,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 03:27:35,017 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:27:35,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:27:35,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:27:35,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:27:35,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:27:35,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:27:35,019 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:27:35,019 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:27:35,020 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:27:35,020 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:27:35,020 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:27:35,020 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:27:35,020 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:27:35,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:27:35,021 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 03:27:35,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:27:35,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:27:35,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 03:27:35,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:27:35,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:27:35,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:27:35,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:27:35,022 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 03:27:35,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:27:35,022 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:27:35,023 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:27:35,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:27:35,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:27:35,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:27:35,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:27:35,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:27:35,024 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:27:35,025 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c [2022-07-13 03:27:35,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:27:35,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:27:35,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:27:35,294 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:27:35,295 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:27:35,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2022-07-13 03:27:35,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7921de372/0774c112414744d983c43682125eec1e/FLAG1a002974e [2022-07-13 03:27:35,835 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:27:35,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2022-07-13 03:27:35,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7921de372/0774c112414744d983c43682125eec1e/FLAG1a002974e [2022-07-13 03:27:36,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7921de372/0774c112414744d983c43682125eec1e [2022-07-13 03:27:36,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:27:36,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:27:36,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:27:36,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:27:36,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:27:36,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a7846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36, skipping insertion in model container [2022-07-13 03:27:36,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:27:36,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:27:36,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c[2072,2085] [2022-07-13 03:27:36,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:27:36,497 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:27:36,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c[2072,2085] [2022-07-13 03:27:36,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:27:36,593 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:27:36,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36 WrapperNode [2022-07-13 03:27:36,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:27:36,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:27:36,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:27:36,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:27:36,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,690 INFO L137 Inliner]: procedures = 38, calls = 66, calls flagged for inlining = 61, calls inlined = 133, statements flattened = 2528 [2022-07-13 03:27:36,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:27:36,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:27:36,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:27:36,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:27:36,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:27:36,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:27:36,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:27:36,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:27:36,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (1/1) ... [2022-07-13 03:27:36,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:36,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:36,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:36,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 03:27:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 03:27:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 03:27:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:27:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:27:37,088 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:27:37,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:27:37,099 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,109 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,111 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,116 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,119 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,120 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,123 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,125 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,126 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,129 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,131 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,131 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,151 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,153 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,154 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,156 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,157 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,161 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,163 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,166 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,172 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:37,175 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:38,017 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##674: assume !false; [2022-07-13 03:27:38,017 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##673: assume false; [2022-07-13 03:27:38,017 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##618: assume !false; [2022-07-13 03:27:38,017 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##617: assume false; [2022-07-13 03:27:38,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##296: assume !false; [2022-07-13 03:27:38,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##295: assume false; [2022-07-13 03:27:38,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##256: assume !false; [2022-07-13 03:27:38,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume false; [2022-07-13 03:27:38,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !false; [2022-07-13 03:27:38,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume false; [2022-07-13 03:27:38,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2022-07-13 03:27:38,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2022-07-13 03:27:38,019 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##724: assume !false; [2022-07-13 03:27:38,020 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##723: assume false; [2022-07-13 03:27:38,020 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume !false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume !false; [2022-07-13 03:27:38,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume false; [2022-07-13 03:27:38,022 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume false; [2022-07-13 03:27:38,022 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##413: assume !false; [2022-07-13 03:27:38,022 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume false; [2022-07-13 03:27:38,022 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##453: assume !false; [2022-07-13 03:27:38,023 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##483: assume !false; [2022-07-13 03:27:38,024 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##482: assume false; [2022-07-13 03:27:38,024 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##543: assume !false; [2022-07-13 03:27:38,024 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##542: assume false; [2022-07-13 03:27:38,025 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: assume !false; [2022-07-13 03:27:38,025 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume false; [2022-07-13 03:27:38,025 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume !false; [2022-07-13 03:27:38,025 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume !false; [2022-07-13 03:27:38,025 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##171: assume false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume !false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-07-13 03:27:38,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-07-13 03:27:38,027 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2022-07-13 03:27:38,027 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2022-07-13 03:27:38,027 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:27:38,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:27:38,043 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 03:27:38,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:27:38 BoogieIcfgContainer [2022-07-13 03:27:38,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:27:38,048 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:27:38,048 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:27:38,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:27:38,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:27:38,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:27:36" (1/3) ... [2022-07-13 03:27:38,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@356826bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:27:38, skipping insertion in model container [2022-07-13 03:27:38,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:27:38,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:36" (2/3) ... [2022-07-13 03:27:38,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@356826bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:27:38, skipping insertion in model container [2022-07-13 03:27:38,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:27:38,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:27:38" (3/3) ... [2022-07-13 03:27:38,056 INFO L354 chiAutomizerObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2022-07-13 03:27:38,137 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:27:38,137 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:27:38,137 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:27:38,137 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:27:38,138 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:27:38,138 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:27:38,138 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:27:38,138 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:27:38,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 570 states, 569 states have (on average 1.4674868189806678) internal successors, (835), 569 states have internal predecessors, (835), 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) [2022-07-13 03:27:38,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:27:38,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:27:38,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:27:38,198 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:27:38,198 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:27:38,198 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:27:38,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 570 states, 569 states have (on average 1.4674868189806678) internal successors, (835), 569 states have internal predecessors, (835), 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) [2022-07-13 03:27:38,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:27:38,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:27:38,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:27:38,213 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:27:38,213 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:27:38,218 INFO L752 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~myStatus~0 := 0;~routine~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~KernelMode~0 := 0; 471#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet101#1, main_#t~nondet102#1, main_#t~nondet103#1, main_#t~nondet104#1, main_#t~nondet105#1, main_#t~nondet106#1, main_#t~nondet107#1, main_#t~nondet108#1, main_#t~nondet109#1, main_#t~nondet110#1, main_#t~nondet111#1, main_#t~ret112#1, main_#t~ret113#1, main_#t~ret114#1, main_#t~ret115#1, main_#t~ret116#1, main_~tmp_ndt_5~0#1, main_~tmp_ndt_4~0#1, main_~tmp_ndt_3~0#1, main_~tmp_ndt_2~0#1, main_~tmp_ndt_1~0#1, main_~d~0#1, main_~status~6#1, main_~we_should_unload~0#1, main_~irp~1#1, main_~pirp__IoStatus__Status~0#1, main_~irp_choice~0#1, main_~devobj~0#1, main_~__cil_tmp9~0#1;main_~d~0#1 := main_#t~nondet101#1;havoc main_#t~nondet101#1;main_~status~6#1 := main_#t~nondet102#1;havoc main_#t~nondet102#1;main_~we_should_unload~0#1 := main_#t~nondet103#1;havoc main_#t~nondet103#1;main_~irp~1#1 := main_#t~nondet104#1;havoc main_#t~nondet104#1;havoc main_~pirp__IoStatus__Status~0#1;main_~irp_choice~0#1 := main_#t~nondet105#1;havoc main_#t~nondet105#1;main_~devobj~0#1 := main_#t~nondet106#1;havoc main_#t~nondet106#1;havoc main_~__cil_tmp9~0#1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~myStatus~0 := 0;~routine~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~KernelMode~0 := 0;~pirp~0 := main_~irp~1#1;assume { :begin_inline__BLAST_init } true;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 56#L79true assume { :end_inline__BLAST_init } true; 223#L683true assume main_~status~6#1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;main_~pirp__IoStatus__Status~0#1 := 0;~myStatus~0 := 0; 554#L693true assume !(0 == main_~irp_choice~0#1); 201#L693-2true assume { :begin_inline_stub_driver_init } true;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; 252#L644true assume { :end_inline_stub_driver_init } true; 555#L701true assume !(main_~status~6#1 < 0);havoc main_~tmp_ndt_1~0#1;main_~tmp_ndt_1~0#1 := main_#t~nondet107#1;havoc main_#t~nondet107#1; 512#L707true assume !(0 == main_~tmp_ndt_1~0#1);havoc main_~tmp_ndt_2~0#1;main_~tmp_ndt_2~0#1 := main_#t~nondet108#1;havoc main_#t~nondet108#1; 500#L712true assume 2 == main_~tmp_ndt_2~0#1; 532#L713true assume { :begin_inline_DiskPerfDeviceControl } true;DiskPerfDeviceControl_#in~DeviceObject#1, DiskPerfDeviceControl_#in~Irp#1 := main_~devobj~0#1, ~pirp~0;havoc DiskPerfDeviceControl_#res#1;havoc DiskPerfDeviceControl_#t~nondet54#1, DiskPerfDeviceControl_#t~nondet55#1, DiskPerfDeviceControl_#t~nondet56#1, DiskPerfDeviceControl_#t~nondet57#1, DiskPerfDeviceControl_#t~nondet58#1, DiskPerfDeviceControl_#t~nondet59#1, DiskPerfDeviceControl_#t~nondet60#1, DiskPerfDeviceControl_#t~nondet61#1, DiskPerfDeviceControl_#t~nondet62#1, DiskPerfDeviceControl_#t~nondet63#1, DiskPerfDeviceControl_#t~nondet64#1, DiskPerfDeviceControl_#t~post65#1, DiskPerfDeviceControl_#t~post66#1, DiskPerfDeviceControl_#t~post67#1, DiskPerfDeviceControl_#t~ret68#1, DiskPerfDeviceControl_~DeviceObject#1, DiskPerfDeviceControl_~Irp#1, DiskPerfDeviceControl_~Irp__CurrentLocation~2#1, DiskPerfDeviceControl_~Irp__Tail__Overlay__CurrentStackLocation~4#1, DiskPerfDeviceControl_~DeviceObject__DeviceExtension~5#1, DiskPerfDeviceControl_~deviceExtension__TargetDeviceObject~4#1, DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~0#1, DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~0#1, DiskPerfDeviceControl_~sizeof__DISK_PERFORMANCE~0#1, DiskPerfDeviceControl_~Irp__IoStatus__Information~1#1, DiskPerfDeviceControl_~deviceExtension__DiskCounters~0#1, DiskPerfDeviceControl_~Irp__AssociatedIrp__SystemBuffer~0#1, DiskPerfDeviceControl_~deviceExtension__Processors~0#1, DiskPerfDeviceControl_~totalCounters__QueueDepth~0#1, DiskPerfDeviceControl_~deviceExtension__QueueDepth~0#1, DiskPerfDeviceControl_~Irp__IoStatus__Status~2#1, DiskPerfDeviceControl_~deviceExtension~5#1, DiskPerfDeviceControl_~currentIrpStack~0#1, DiskPerfDeviceControl_~status~4#1, DiskPerfDeviceControl_~i~0#1, DiskPerfDeviceControl_~totalCounters~0#1, DiskPerfDeviceControl_~diskCounters~0#1, DiskPerfDeviceControl_~tmp~3#1, DiskPerfDeviceControl_~__cil_tmp24~0#1, DiskPerfDeviceControl_~__cil_tmp25~0#1, DiskPerfDeviceControl_~__cil_tmp26~0#1;DiskPerfDeviceControl_~DeviceObject#1 := DiskPerfDeviceControl_#in~DeviceObject#1;DiskPerfDeviceControl_~Irp#1 := DiskPerfDeviceControl_#in~Irp#1;DiskPerfDeviceControl_~Irp__CurrentLocation~2#1 := DiskPerfDeviceControl_#t~nondet54#1;havoc DiskPerfDeviceControl_#t~nondet54#1;DiskPerfDeviceControl_~Irp__Tail__Overlay__CurrentStackLocation~4#1 := DiskPerfDeviceControl_#t~nondet55#1;havoc DiskPerfDeviceControl_#t~nondet55#1;DiskPerfDeviceControl_~DeviceObject__DeviceExtension~5#1 := DiskPerfDeviceControl_#t~nondet56#1;havoc DiskPerfDeviceControl_#t~nondet56#1;DiskPerfDeviceControl_~deviceExtension__TargetDeviceObject~4#1 := DiskPerfDeviceControl_#t~nondet57#1;havoc DiskPerfDeviceControl_#t~nondet57#1;DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~0#1 := DiskPerfDeviceControl_#t~nondet58#1;havoc DiskPerfDeviceControl_#t~nondet58#1;DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~0#1 := DiskPerfDeviceControl_#t~nondet59#1;havoc DiskPerfDeviceControl_#t~nondet59#1;DiskPerfDeviceControl_~sizeof__DISK_PERFORMANCE~0#1 := DiskPerfDeviceControl_#t~nondet60#1;havoc DiskPerfDeviceControl_#t~nondet60#1;havoc DiskPerfDeviceControl_~Irp__IoStatus__Information~1#1;DiskPerfDeviceControl_~deviceExtension__DiskCounters~0#1 := DiskPerfDeviceControl_#t~nondet61#1;havoc DiskPerfDeviceControl_#t~nondet61#1;DiskPerfDeviceControl_~Irp__AssociatedIrp__SystemBuffer~0#1 := DiskPerfDeviceControl_#t~nondet62#1;havoc DiskPerfDeviceControl_#t~nondet62#1;DiskPerfDeviceControl_~deviceExtension__Processors~0#1 := DiskPerfDeviceControl_#t~nondet63#1;havoc DiskPerfDeviceControl_#t~nondet63#1;havoc DiskPerfDeviceControl_~totalCounters__QueueDepth~0#1;DiskPerfDeviceControl_~deviceExtension__QueueDepth~0#1 := DiskPerfDeviceControl_#t~nondet64#1;havoc DiskPerfDeviceControl_#t~nondet64#1;havoc DiskPerfDeviceControl_~Irp__IoStatus__Status~2#1;havoc DiskPerfDeviceControl_~deviceExtension~5#1;havoc DiskPerfDeviceControl_~currentIrpStack~0#1;havoc DiskPerfDeviceControl_~status~4#1;havoc DiskPerfDeviceControl_~i~0#1;havoc DiskPerfDeviceControl_~totalCounters~0#1;havoc DiskPerfDeviceControl_~diskCounters~0#1;havoc DiskPerfDeviceControl_~tmp~3#1;havoc DiskPerfDeviceControl_~__cil_tmp24~0#1;havoc DiskPerfDeviceControl_~__cil_tmp25~0#1;havoc DiskPerfDeviceControl_~__cil_tmp26~0#1;DiskPerfDeviceControl_~deviceExtension~5#1 := DiskPerfDeviceControl_~DeviceObject__DeviceExtension~5#1;DiskPerfDeviceControl_~currentIrpStack~0#1 := DiskPerfDeviceControl_~Irp__Tail__Overlay__CurrentStackLocation~4#1;DiskPerfDeviceControl_~__cil_tmp24~0#1 := 32;DiskPerfDeviceControl_~__cil_tmp25~0#1 := 458752;DiskPerfDeviceControl_~__cil_tmp26~0#1 := 458784; 486#L387true assume DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~0#1 == DiskPerfDeviceControl_~__cil_tmp26~0#1; 308#L388true assume !(DiskPerfDeviceControl_~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~0#1 < DiskPerfDeviceControl_~sizeof__DISK_PERFORMANCE~0#1);DiskPerfDeviceControl_~diskCounters~0#1 := DiskPerfDeviceControl_~deviceExtension__DiskCounters~0#1; 159#L393true assume !(0 == DiskPerfDeviceControl_~diskCounters~0#1);DiskPerfDeviceControl_~totalCounters~0#1 := DiskPerfDeviceControl_~Irp__AssociatedIrp__SystemBuffer~0#1;DiskPerfDeviceControl_~i~0#1 := 0; 346#L404-2true [2022-07-13 03:27:38,218 INFO L754 eck$LassoCheckResult]: Loop: 346#L404-2true assume !false; 378#L405true assume !(DiskPerfDeviceControl_~i~0#1 >= DiskPerfDeviceControl_~deviceExtension__Processors~0#1);DiskPerfDeviceControl_#t~post65#1 := DiskPerfDeviceControl_~i~0#1;DiskPerfDeviceControl_~i~0#1 := 1 + DiskPerfDeviceControl_#t~post65#1;havoc DiskPerfDeviceControl_#t~post65#1; 346#L404-2true [2022-07-13 03:27:38,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:27:38,224 INFO L85 PathProgramCache]: Analyzing trace with hash -98355164, now seen corresponding path program 1 times [2022-07-13 03:27:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:27:38,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368796893] [2022-07-13 03:27:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:27:38,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:27:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:27:38,343 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:27:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:27:38,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:27:38,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:27:38,388 INFO L85 PathProgramCache]: Analyzing trace with hash 4135, now seen corresponding path program 1 times [2022-07-13 03:27:38,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:27:38,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389922473] [2022-07-13 03:27:38,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:27:38,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:27:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:27:38,395 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:27:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:27:38,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:27:38,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:27:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash -30028918, now seen corresponding path program 1 times [2022-07-13 03:27:38,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:27:38,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607479442] [2022-07-13 03:27:38,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:27:38,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:27:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:27:38,423 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:27:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:27:38,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:27:38,521 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:27:38,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:27:38,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:27:38,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:27:38,523 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-13 03:27:38,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:27:38,524 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:27:38,524 INFO L133 ssoRankerPreferences]: Filename of dumped script: diskperf_simpl1.cil.c_Iteration1_Loop [2022-07-13 03:27:38,524 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:27:38,525 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:27:38,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:27:38,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:27:38,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:27:38,598 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-13 03:27:38,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:38,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:38,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 03:27:38,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 03:27:38,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:27:38,627 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 03:27:38,627 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_DiskPerfDeviceControl_#t~post65#1=0} Honda state: {ULTIMATE.start_DiskPerfDeviceControl_#t~post65#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-13 03:27:38,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-13 03:27:38,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:38,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:38,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-13 03:27:38,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 03:27:38,649 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:27:38,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 03:27:38,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:38,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:38,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-13 03:27:38,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-13 03:27:38,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:27:38,797 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-13 03:27:38,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-13 03:27:38,800 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:27:38,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:27:38,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:27:38,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:27:38,801 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:27:38,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,801 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:27:38,801 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:27:38,801 INFO L133 ssoRankerPreferences]: Filename of dumped script: diskperf_simpl1.cil.c_Iteration1_Loop [2022-07-13 03:27:38,801 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:27:38,801 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:27:38,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:27:38,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:27:38,835 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:27:38,839 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:27:38,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:38,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:38,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-13 03:27:38,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:27:38,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:27:38,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:27:38,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:27:38,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:27:38,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:27:38,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:27:38,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:27:38,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:27:38,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 03:27:38,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:38,901 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:38,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-13 03:27:38,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:27:38,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:27:38,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:27:38,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:27:38,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:27:38,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:27:38,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:27:38,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:27:38,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:27:38,942 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-13 03:27:38,942 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-13 03:27:38,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:38,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:38,945 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:27:38,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-13 03:27:38,947 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:27:38,947 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-13 03:27:38,947 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:27:38,948 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_DiskPerfDeviceControl_~deviceExtension__Processors~0#1, ULTIMATE.start_DiskPerfDeviceControl_~i~0#1) = 1*ULTIMATE.start_DiskPerfDeviceControl_~deviceExtension__Processors~0#1 - 1*ULTIMATE.start_DiskPerfDeviceControl_~i~0#1 Supporting invariants [] [2022-07-13 03:27:38,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-13 03:27:38,966 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-13 03:27:38,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:27:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:27:39,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:27:39,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:27:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:27:39,064 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:27:39,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:27:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:27:39,103 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-13 03:27:39,106 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 570 states, 569 states have (on average 1.4674868189806678) internal successors, (835), 569 states have internal predecessors, (835), 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) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-07-13 03:27:39,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 570 states, 569 states have (on average 1.4674868189806678) internal successors, (835), 569 states have internal predecessors, (835), 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). Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) Result 1122 states and 1639 transitions. Complement of second has 5 states. [2022-07-13 03:27:39,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 03:27:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-07-13 03:27:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1552 transitions. [2022-07-13 03:27:39,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1552 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-13 03:27:39,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:27:39,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1552 transitions. Stem has 16 letters. Loop has 2 letters. [2022-07-13 03:27:39,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:27:39,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1552 transitions. Stem has 14 letters. Loop has 4 letters. [2022-07-13 03:27:39,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:27:39,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1122 states and 1639 transitions. [2022-07-13 03:27:39,250 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:27:39,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1122 states to 0 states and 0 transitions. [2022-07-13 03:27:39,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:27:39,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:27:39,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:27:39,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:27:39,262 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:27:39,262 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:27:39,262 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:27:39,262 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:27:39,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:27:39,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:27:39,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:27:39,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:27:39 BoogieIcfgContainer [2022-07-13 03:27:39,268 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:27:39,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:27:39,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:27:39,269 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:27:39,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:27:38" (3/4) ... [2022-07-13 03:27:39,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:27:39,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:27:39,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-13 03:27:39,274 INFO L158 Benchmark]: Toolchain (without parser) took 3081.71ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 60.5MB in the beginning and 99.1MB in the end (delta: -38.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-07-13 03:27:39,274 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:27:39,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.92ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 68.5MB in the end (delta: -8.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-07-13 03:27:39,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.55ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 59.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:27:39,275 INFO L158 Benchmark]: Boogie Preprocessor took 83.02ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 52.8MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:27:39,276 INFO L158 Benchmark]: RCFGBuilder took 1271.27ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 37.1MB in the end (delta: 15.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-07-13 03:27:39,276 INFO L158 Benchmark]: BuchiAutomizer took 1220.10ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 37.1MB in the beginning and 99.1MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:27:39,277 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 142.6MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:27:39,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.92ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 68.5MB in the end (delta: -8.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.55ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 59.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.02ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 52.8MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1271.27ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 37.1MB in the end (delta: 15.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1220.10ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 37.1MB in the beginning and 99.1MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 142.6MB. Free memory is still 99.1MB. 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function deviceExtension__Processors + -1 * i and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 769 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 768 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 768 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf112 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-13 03:27:39,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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