./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31d31f19d6102d681e76882a8d8f65cc05410b48 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31d31f19d6102d681e76882a8d8f65cc05410b48 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 02:11:17,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:11:17,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:11:17,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:11:17,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:11:17,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:11:17,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:11:17,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:11:17,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:11:17,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:11:17,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:11:17,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:11:17,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:11:17,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:11:17,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:11:17,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:11:17,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:11:17,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:11:17,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:11:17,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:11:17,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:11:18,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:11:18,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:11:18,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:11:18,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:11:18,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:11:18,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:11:18,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:11:18,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:11:18,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:11:18,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:11:18,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:11:18,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:11:18,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:11:18,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:11:18,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:11:18,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:11:18,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:11:18,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:11:18,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:11:18,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:11:18,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 02:11:18,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:11:18,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:11:18,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:11:18,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:11:18,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:11:18,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:11:18,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:11:18,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:11:18,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:11:18,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:11:18,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:18,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:11:18,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:11:18,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:11:18,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 02:11:18,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 02:11:18,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:11:18,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:11:18,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2021-08-26 02:11:18,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:11:18,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:11:18,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:11:18,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:11:18,374 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:11:18,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-08-26 02:11:18,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd2e936f/81204f9ccfbc4061a6a5526ae114f5e1/FLAG6e57dc54e [2021-08-26 02:11:19,062 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:11:19,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-08-26 02:11:19,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd2e936f/81204f9ccfbc4061a6a5526ae114f5e1/FLAG6e57dc54e [2021-08-26 02:11:19,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd2e936f/81204f9ccfbc4061a6a5526ae114f5e1 [2021-08-26 02:11:19,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:11:19,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:11:19,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:19,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:11:19,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:11:19,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:19" (1/1) ... [2021-08-26 02:11:19,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e021b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:19, skipping insertion in model container [2021-08-26 02:11:19,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:11:19" (1/1) ... [2021-08-26 02:11:19,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:11:19,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:11:19,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-08-26 02:11:20,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:20,392 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:11:20,410 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-08-26 02:11:20,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:11:20,684 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:11:20,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20 WrapperNode [2021-08-26 02:11:20,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:11:20,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:20,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:11:20,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:11:20,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:20,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:20,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:11:20,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:11:20,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:11:20,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:11:20,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:20,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:20,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:20,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:21,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:21,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:21,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:21,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:11:21,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:11:21,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:11:21,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:11:21,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (1/1) ... [2021-08-26 02:11:21,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:11:21,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:21,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 02:11:21,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 02:11:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:11:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 02:11:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 02:11:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:11:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:11:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:11:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:11:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:11:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:11:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:11:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:11:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 02:11:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 02:11:25,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:11:25,693 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-08-26 02:11:25,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:25 BoogieIcfgContainer [2021-08-26 02:11:25,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:11:25,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:11:25,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:11:25,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:11:25,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:11:19" (1/3) ... [2021-08-26 02:11:25,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7d9c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:25, skipping insertion in model container [2021-08-26 02:11:25,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:11:20" (2/3) ... [2021-08-26 02:11:25,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7d9c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:11:25, skipping insertion in model container [2021-08-26 02:11:25,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:25" (3/3) ... [2021-08-26 02:11:25,703 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-08-26 02:11:25,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:11:25,708 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-08-26 02:11:25,747 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 02:11:25,752 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 02:11:25,752 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-08-26 02:11:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 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) [2021-08-26 02:11:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 02:11:25,778 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:25,779 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:25,779 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:25,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:25,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-08-26 02:11:25,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:25,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127201792] [2021-08-26 02:11:25,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:25,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:11:26,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:26,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127201792] [2021-08-26 02:11:26,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127201792] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:11:26,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:11:26,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 02:11:26,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265392144] [2021-08-26 02:11:26,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 02:11:26,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:26,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 02:11:26,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:11:26,149 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-26 02:11:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:26,222 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-08-26 02:11:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 02:11:26,223 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2021-08-26 02:11:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:26,243 INFO L225 Difference]: With dead ends: 1205 [2021-08-26 02:11:26,243 INFO L226 Difference]: Without dead ends: 593 [2021-08-26 02:11:26,250 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:11:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-08-26 02:11:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-08-26 02:11:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 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) [2021-08-26 02:11:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-08-26 02:11:26,310 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-08-26 02:11:26,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:26,310 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-08-26 02:11:26,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-26 02:11:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-08-26 02:11:26,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 02:11:26,311 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:26,311 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:26,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 02:11:26,312 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:26,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:26,312 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-08-26 02:11:26,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:26,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492866412] [2021-08-26 02:11:26,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:26,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:11:26,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:26,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492866412] [2021-08-26 02:11:26,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492866412] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:11:26,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:11:26,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 02:11:26,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639151729] [2021-08-26 02:11:26,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 02:11:26,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:26,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 02:11:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 02:11:26,466 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-08-26 02:11:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:26,528 INFO L93 Difference]: Finished difference Result 1185 states and 1376 transitions. [2021-08-26 02:11:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 02:11:26,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-08-26 02:11:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:26,533 INFO L225 Difference]: With dead ends: 1185 [2021-08-26 02:11:26,533 INFO L226 Difference]: Without dead ends: 597 [2021-08-26 02:11:26,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 02:11:26,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-08-26 02:11:26,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2021-08-26 02:11:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 533 states have (on average 1.2945590994371483) internal successors, (690), 594 states have internal predecessors, (690), 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) [2021-08-26 02:11:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 690 transitions. [2021-08-26 02:11:26,563 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 690 transitions. Word has length 11 [2021-08-26 02:11:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:26,563 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 690 transitions. [2021-08-26 02:11:26,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-08-26 02:11:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 690 transitions. [2021-08-26 02:11:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-26 02:11:26,565 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:26,565 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:26,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 02:11:26,566 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:26,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:26,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2021-08-26 02:11:26,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:26,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4764081] [2021-08-26 02:11:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:26,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:26,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:26,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4764081] [2021-08-26 02:11:26,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4764081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:26,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833000680] [2021-08-26 02:11:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:26,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:26,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:26,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:26,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 02:11:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:27,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-26 02:11:27,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:27,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833000680] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:27,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:27,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-08-26 02:11:27,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934155720] [2021-08-26 02:11:27,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 02:11:27,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 02:11:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:11:27,261 INFO L87 Difference]: Start difference. First operand 595 states and 690 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-08-26 02:11:27,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:27,306 INFO L93 Difference]: Finished difference Result 1188 states and 1378 transitions. [2021-08-26 02:11:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 02:11:27,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) Word has length 15 [2021-08-26 02:11:27,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:27,308 INFO L225 Difference]: With dead ends: 1188 [2021-08-26 02:11:27,308 INFO L226 Difference]: Without dead ends: 599 [2021-08-26 02:11:27,309 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:11:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-08-26 02:11:27,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2021-08-26 02:11:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 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) [2021-08-26 02:11:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-08-26 02:11:27,326 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 15 [2021-08-26 02:11:27,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:27,326 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-08-26 02:11:27,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-08-26 02:11:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-08-26 02:11:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 02:11:27,327 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:27,327 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:27,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:27,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:27,541 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:27,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:27,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2021-08-26 02:11:27,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:27,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528397686] [2021-08-26 02:11:27,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:27,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:27,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:27,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528397686] [2021-08-26 02:11:27,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528397686] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:27,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263495773] [2021-08-26 02:11:27,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:11:27,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:27,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:27,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:27,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-26 02:11:29,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:11:29,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:29,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 02:11:29,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:30,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263495773] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:30,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:30,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-26 02:11:30,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497180816] [2021-08-26 02:11:30,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 02:11:30,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:30,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 02:11:30,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-26 02:11:30,024 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-08-26 02:11:30,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:30,077 INFO L93 Difference]: Finished difference Result 1190 states and 1380 transitions. [2021-08-26 02:11:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 02:11:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) Word has length 17 [2021-08-26 02:11:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:30,080 INFO L225 Difference]: With dead ends: 1190 [2021-08-26 02:11:30,080 INFO L226 Difference]: Without dead ends: 601 [2021-08-26 02:11:30,081 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-26 02:11:30,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2021-08-26 02:11:30,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2021-08-26 02:11:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 537 states have (on average 1.2923649906890131) internal successors, (694), 598 states have internal predecessors, (694), 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) [2021-08-26 02:11:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 694 transitions. [2021-08-26 02:11:30,092 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 694 transitions. Word has length 17 [2021-08-26 02:11:30,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:30,092 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 694 transitions. [2021-08-26 02:11:30,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-08-26 02:11:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 694 transitions. [2021-08-26 02:11:30,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 02:11:30,093 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:30,093 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:30,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:30,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-26 02:11:30,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:30,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:30,309 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2021-08-26 02:11:30,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:30,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231986459] [2021-08-26 02:11:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:30,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:30,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:30,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231986459] [2021-08-26 02:11:30,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231986459] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:30,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965672193] [2021-08-26 02:11:30,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:11:30,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:30,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:30,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-26 02:11:39,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-26 02:11:39,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:39,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 02:11:39,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:39,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965672193] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:39,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:39,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-26 02:11:39,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814503517] [2021-08-26 02:11:39,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 02:11:39,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:39,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 02:11:39,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:11:39,697 INFO L87 Difference]: Start difference. First operand 599 states and 694 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2021-08-26 02:11:39,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:39,766 INFO L93 Difference]: Finished difference Result 1192 states and 1382 transitions. [2021-08-26 02:11:39,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 02:11:39,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) Word has length 19 [2021-08-26 02:11:39,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:39,771 INFO L225 Difference]: With dead ends: 1192 [2021-08-26 02:11:39,772 INFO L226 Difference]: Without dead ends: 603 [2021-08-26 02:11:39,773 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 33.7ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:11:39,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-08-26 02:11:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2021-08-26 02:11:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 539 states have (on average 1.2912801484230056) internal successors, (696), 600 states have internal predecessors, (696), 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) [2021-08-26 02:11:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 696 transitions. [2021-08-26 02:11:39,786 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 696 transitions. Word has length 19 [2021-08-26 02:11:39,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:39,786 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 696 transitions. [2021-08-26 02:11:39,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2021-08-26 02:11:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 696 transitions. [2021-08-26 02:11:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 02:11:39,787 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:39,787 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:39,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:40,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:40,005 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:40,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2021-08-26 02:11:40,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:40,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057569292] [2021-08-26 02:11:40,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:40,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:40,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:40,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057569292] [2021-08-26 02:11:40,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057569292] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:40,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415634975] [2021-08-26 02:11:40,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-26 02:11:40,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:40,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:40,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:40,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-26 02:11:40,437 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-26 02:11:40,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:40,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-26 02:11:40,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:40,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415634975] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:40,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:40,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-26 02:11:40,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700584034] [2021-08-26 02:11:40,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 02:11:40,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:40,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 02:11:40,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:11:40,576 INFO L87 Difference]: Start difference. First operand 601 states and 696 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2021-08-26 02:11:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:40,650 INFO L93 Difference]: Finished difference Result 1194 states and 1384 transitions. [2021-08-26 02:11:40,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 02:11:40,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) Word has length 21 [2021-08-26 02:11:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:40,653 INFO L225 Difference]: With dead ends: 1194 [2021-08-26 02:11:40,653 INFO L226 Difference]: Without dead ends: 605 [2021-08-26 02:11:40,654 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 29.7ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:11:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-08-26 02:11:40,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 603. [2021-08-26 02:11:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 541 states have (on average 1.2902033271719038) internal successors, (698), 602 states have internal predecessors, (698), 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) [2021-08-26 02:11:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 698 transitions. [2021-08-26 02:11:40,665 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 698 transitions. Word has length 21 [2021-08-26 02:11:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:40,666 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 698 transitions. [2021-08-26 02:11:40,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2021-08-26 02:11:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 698 transitions. [2021-08-26 02:11:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 02:11:40,667 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:40,667 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:40,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:40,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:40,889 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:40,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:40,889 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2021-08-26 02:11:40,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:40,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118139221] [2021-08-26 02:11:40,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:40,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:41,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:41,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118139221] [2021-08-26 02:11:41,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118139221] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:41,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751369240] [2021-08-26 02:11:41,056 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-26 02:11:41,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:41,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:41,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-26 02:11:41,459 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-26 02:11:41,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:11:41,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-26 02:11:41,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:11:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:41,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751369240] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:41,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:11:41,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-26 02:11:41,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488007972] [2021-08-26 02:11:41,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-26 02:11:41,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:11:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-26 02:11:41,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-08-26 02:11:41,645 INFO L87 Difference]: Start difference. First operand 603 states and 698 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2021-08-26 02:11:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:11:41,745 INFO L93 Difference]: Finished difference Result 1196 states and 1386 transitions. [2021-08-26 02:11:41,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 02:11:41,746 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) Word has length 23 [2021-08-26 02:11:41,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:11:41,748 INFO L225 Difference]: With dead ends: 1196 [2021-08-26 02:11:41,748 INFO L226 Difference]: Without dead ends: 607 [2021-08-26 02:11:41,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 43.5ms TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-08-26 02:11:41,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-08-26 02:11:41,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 605. [2021-08-26 02:11:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.289134438305709) internal successors, (700), 604 states have internal predecessors, (700), 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) [2021-08-26 02:11:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 700 transitions. [2021-08-26 02:11:41,775 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 700 transitions. Word has length 23 [2021-08-26 02:11:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:11:41,775 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 700 transitions. [2021-08-26 02:11:41,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2021-08-26 02:11:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 700 transitions. [2021-08-26 02:11:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 02:11:41,776 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:11:41,777 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:11:41,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-26 02:11:41,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:41,977 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:11:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:11:41,978 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2021-08-26 02:11:41,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:11:41,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017905147] [2021-08-26 02:11:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:11:41,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:11:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:11:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:11:42,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:11:42,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017905147] [2021-08-26 02:11:42,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017905147] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:11:42,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537394531] [2021-08-26 02:11:42,308 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-26 02:11:42,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:11:42,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:11:42,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:11:42,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-26 02:12:11,091 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-26 02:12:11,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:12:11,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 02:12:11,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:11,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537394531] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:11,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:11,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-26 02:12:11,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046025363] [2021-08-26 02:12:11,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-26 02:12:11,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:12:11,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-26 02:12:11,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:12:11,261 INFO L87 Difference]: Start difference. First operand 605 states and 700 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) [2021-08-26 02:12:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:11,360 INFO L93 Difference]: Finished difference Result 1198 states and 1388 transitions. [2021-08-26 02:12:11,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-26 02:12:11,361 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) Word has length 25 [2021-08-26 02:12:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:11,363 INFO L225 Difference]: With dead ends: 1198 [2021-08-26 02:12:11,363 INFO L226 Difference]: Without dead ends: 609 [2021-08-26 02:12:11,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:12:11,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-08-26 02:12:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 607. [2021-08-26 02:12:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 545 states have (on average 1.2880733944954128) internal successors, (702), 606 states have internal predecessors, (702), 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) [2021-08-26 02:12:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 702 transitions. [2021-08-26 02:12:11,380 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 702 transitions. Word has length 25 [2021-08-26 02:12:11,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:11,380 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 702 transitions. [2021-08-26 02:12:11,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) [2021-08-26 02:12:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 702 transitions. [2021-08-26 02:12:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 02:12:11,381 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:11,381 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:11,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:11,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:11,604 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:12:11,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:11,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2021-08-26 02:12:11,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:12:11,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002694318] [2021-08-26 02:12:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:11,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:12:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:11,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:12:11,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002694318] [2021-08-26 02:12:11,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002694318] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:11,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998520352] [2021-08-26 02:12:11,862 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-26 02:12:11,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:11,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:12:11,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:12:11,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-26 02:12:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:12,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-26 02:12:12,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:12,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998520352] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:12,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:12,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-08-26 02:12:12,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161625599] [2021-08-26 02:12:12,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-26 02:12:12,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:12:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-26 02:12:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-26 02:12:12,365 INFO L87 Difference]: Start difference. First operand 607 states and 702 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) [2021-08-26 02:12:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:12,437 INFO L93 Difference]: Finished difference Result 1200 states and 1390 transitions. [2021-08-26 02:12:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 02:12:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) Word has length 27 [2021-08-26 02:12:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:12,440 INFO L225 Difference]: With dead ends: 1200 [2021-08-26 02:12:12,440 INFO L226 Difference]: Without dead ends: 611 [2021-08-26 02:12:12,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 59.8ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-26 02:12:12,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-08-26 02:12:12,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2021-08-26 02:12:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 547 states have (on average 1.287020109689214) internal successors, (704), 608 states have internal predecessors, (704), 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) [2021-08-26 02:12:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 704 transitions. [2021-08-26 02:12:12,452 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 704 transitions. Word has length 27 [2021-08-26 02:12:12,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:12,453 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 704 transitions. [2021-08-26 02:12:12,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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) [2021-08-26 02:12:12,453 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 704 transitions. [2021-08-26 02:12:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 02:12:12,454 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:12,454 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:12,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-26 02:12:12,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:12,673 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:12:12,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:12,673 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2021-08-26 02:12:12,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:12:12,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825091991] [2021-08-26 02:12:12,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:12,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:12:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:12,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:12:12,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825091991] [2021-08-26 02:12:12,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825091991] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:12,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349384436] [2021-08-26 02:12:12,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:12:12,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:12,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:12:13,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:12:13,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-26 02:12:17,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:12:17,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:12:17,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-26 02:12:17,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:17,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349384436] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:17,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:17,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-08-26 02:12:17,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631636094] [2021-08-26 02:12:17,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-26 02:12:17,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:12:17,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-26 02:12:17,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-08-26 02:12:17,412 INFO L87 Difference]: Start difference. First operand 609 states and 704 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2021-08-26 02:12:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:17,495 INFO L93 Difference]: Finished difference Result 1202 states and 1392 transitions. [2021-08-26 02:12:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-26 02:12:17,495 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) Word has length 29 [2021-08-26 02:12:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:17,498 INFO L225 Difference]: With dead ends: 1202 [2021-08-26 02:12:17,498 INFO L226 Difference]: Without dead ends: 613 [2021-08-26 02:12:17,499 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 87.8ms TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-08-26 02:12:17,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-08-26 02:12:17,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2021-08-26 02:12:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 549 states have (on average 1.2859744990892532) internal successors, (706), 610 states have internal predecessors, (706), 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) [2021-08-26 02:12:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 706 transitions. [2021-08-26 02:12:17,509 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 706 transitions. Word has length 29 [2021-08-26 02:12:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:17,509 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 706 transitions. [2021-08-26 02:12:17,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2021-08-26 02:12:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 706 transitions. [2021-08-26 02:12:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-26 02:12:17,510 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:17,510 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:17,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:17,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-26 02:12:17,725 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:12:17,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:17,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2021-08-26 02:12:17,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:12:17,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070486224] [2021-08-26 02:12:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:17,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:12:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:12:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:17,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:12:17,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070486224] [2021-08-26 02:12:17,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070486224] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:17,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755023430] [2021-08-26 02:12:17,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:12:17,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:17,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:12:17,940 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:12:17,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-26 02:12:59,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-26 02:12:59,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:12:59,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-26 02:12:59,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:12:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:12:59,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755023430] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:12:59,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:12:59,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-08-26 02:12:59,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054347843] [2021-08-26 02:12:59,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-26 02:12:59,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:12:59,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-26 02:12:59,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-26 02:12:59,289 INFO L87 Difference]: Start difference. First operand 611 states and 706 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-08-26 02:12:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:12:59,418 INFO L93 Difference]: Finished difference Result 1203 states and 1393 transitions. [2021-08-26 02:12:59,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 02:12:59,419 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) Word has length 31 [2021-08-26 02:12:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:12:59,421 INFO L225 Difference]: With dead ends: 1203 [2021-08-26 02:12:59,422 INFO L226 Difference]: Without dead ends: 614 [2021-08-26 02:12:59,423 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 95.0ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-26 02:12:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-08-26 02:12:59,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2021-08-26 02:12:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2849364791288567) internal successors, (708), 612 states have internal predecessors, (708), 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) [2021-08-26 02:12:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2021-08-26 02:12:59,435 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 31 [2021-08-26 02:12:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:12:59,437 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2021-08-26 02:12:59,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-08-26 02:12:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2021-08-26 02:12:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 02:12:59,444 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:12:59,444 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:12:59,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-26 02:12:59,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:12:59,673 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:12:59,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:12:59,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2021-08-26 02:12:59,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:12:59,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545839471] [2021-08-26 02:12:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:12:59,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:13:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 02:13:00,402 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 02:13:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 02:13:00,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 02:13:00,908 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 02:13:00,909 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:13:00,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 02:13:00,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 02:13:01,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:13:01 BoogieIcfgContainer [2021-08-26 02:13:01,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:13:01,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:13:01,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:13:01,083 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:13:01,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:11:25" (3/4) ... [2021-08-26 02:13:01,087 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 02:13:01,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:13:01,088 INFO L168 Benchmark]: Toolchain (without parser) took 101799.24 ms. Allocated memory was 54.5 MB in the beginning and 474.0 MB in the end (delta: 419.4 MB). Free memory was 26.9 MB in the beginning and 322.0 MB in the end (delta: -295.1 MB). Peak memory consumption was 126.2 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,089 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:13:01,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1393.81 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 26.7 MB in the beginning and 48.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.74 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 49.6 MB in the end (delta: -1.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,090 INFO L168 Benchmark]: Boogie Preprocessor took 162.70 ms. Allocated memory is still 88.1 MB. Free memory was 49.6 MB in the beginning and 38.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,090 INFO L168 Benchmark]: RCFGBuilder took 4604.59 ms. Allocated memory was 88.1 MB in the beginning and 369.1 MB in the end (delta: 281.0 MB). Free memory was 38.6 MB in the beginning and 289.9 MB in the end (delta: -251.3 MB). Peak memory consumption was 113.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,090 INFO L168 Benchmark]: TraceAbstraction took 95384.66 ms. Allocated memory was 369.1 MB in the beginning and 474.0 MB in the end (delta: 104.9 MB). Free memory was 289.9 MB in the beginning and 323.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 241.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,091 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 474.0 MB. Free memory was 323.0 MB in the beginning and 322.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 02:13:01,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1393.81 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 26.7 MB in the beginning and 48.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 240.74 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 49.6 MB in the end (delta: -1.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 162.70 ms. Allocated memory is still 88.1 MB. Free memory was 49.6 MB in the beginning and 38.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4604.59 ms. Allocated memory was 88.1 MB in the beginning and 369.1 MB in the end (delta: 281.0 MB). Free memory was 38.6 MB in the beginning and 289.9 MB in the end (delta: -251.3 MB). Peak memory consumption was 113.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 95384.66 ms. Allocated memory was 369.1 MB in the beginning and 474.0 MB in the end (delta: 104.9 MB). Free memory was 289.9 MB in the beginning and 323.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 241.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.36 ms. Allocated memory is still 474.0 MB. Free memory was 323.0 MB in the beginning and 322.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1486. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={106:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={106:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={103:0}, fixed_cdev_used=0, fixed_gendisk={95:0}, fixed_request_queue={89:0}, genhd_registered={109:0}, global_tty_driver={65:0}, jiffies=0, kernel_lock={50:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={46:0}, registered_pci_driver={101:0}, shared_workqueue={87:0}, tasklet_registered={88:0}, timer_registered={63:0}, zf_action=2048, zf_expect_close=0, zf_fops={102:0}, zf_info={70:0}, zf_is_open={53:0}, zf_lock={47:0}, zf_miscdev={81:0}, zf_notifier={54:0}, zf_port_lock={97:0}, zf_timer={41:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 95181.8ms, OverallIterations: 12, TraceHistogramMax: 10, EmptinessCheckTime: 21.0ms, AutomataDifference: 971.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7532 SDtfs, 11632 SDslu, 8838 SDs, 0 SdLazy, 248 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 330.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 431.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=11, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 197.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 570.8ms SsaConstructionTime, 86089.4ms SatisfiabilityAnalysisTime, 2540.1ms InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5813 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-26 02:13:01,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 02:13:02,998 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-08-26 02:13:03,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:13:03,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:13:03,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:13:03,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:13:03,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:13:03,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:13:03,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:13:03,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:13:03,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:13:03,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:13:03,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:13:03,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 02:13:03,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:13:03,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:13:03,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:13:03,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:13:03,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:13:03,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:13:03,103 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:13:03,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:13:03,103 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:13:03,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:13:03,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:13:03,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:13:03,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:13:03,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:13:03,108 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 02:13:03,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 02:13:03,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:13:03,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:13:03,109 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:13:03,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:13:03,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:13:03,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:13:03,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:13:03,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:13:03,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:13:03,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:13:03,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:13:03,111 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 02:13:03,112 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 02:13:03,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:13:03,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:13:03,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 02:13:03,112 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2021-08-26 02:13:03,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:13:03,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:13:03,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:13:03,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:13:03,453 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:13:03,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-08-26 02:13:03,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2abf45ad/18879d1107a1489c9c76e764cbc02642/FLAG26f4917a4 [2021-08-26 02:13:04,219 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:13:04,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-08-26 02:13:04,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2abf45ad/18879d1107a1489c9c76e764cbc02642/FLAG26f4917a4 [2021-08-26 02:13:04,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2abf45ad/18879d1107a1489c9c76e764cbc02642 [2021-08-26 02:13:04,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:13:04,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:13:04,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:13:04,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:13:04,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:13:04,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:13:04" (1/1) ... [2021-08-26 02:13:04,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee4e2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:04, skipping insertion in model container [2021-08-26 02:13:04,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:13:04" (1/1) ... [2021-08-26 02:13:04,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:13:04,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:13:04,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-08-26 02:13:05,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:13:05,810 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:13:05,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-08-26 02:13:05,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:13:06,066 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:13:06,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06 WrapperNode [2021-08-26 02:13:06,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:13:06,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:13:06,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:13:06,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:13:06,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:13:06,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:13:06,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:13:06,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:13:06,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:13:06,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:13:06,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:13:06,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:13:06,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (1/1) ... [2021-08-26 02:13:06,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:13:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:13:06,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 02:13:06,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 02:13:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:13:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-08-26 02:13:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-26 02:13:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-08-26 02:13:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-26 02:13:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 02:13:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-26 02:13:13,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:13:13,617 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-08-26 02:13:13,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:13:13 BoogieIcfgContainer [2021-08-26 02:13:13,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:13:13,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:13:13,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:13:13,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:13:13,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:13:04" (1/3) ... [2021-08-26 02:13:13,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c00e634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:13:13, skipping insertion in model container [2021-08-26 02:13:13,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:13:06" (2/3) ... [2021-08-26 02:13:13,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c00e634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:13:13, skipping insertion in model container [2021-08-26 02:13:13,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:13:13" (3/3) ... [2021-08-26 02:13:13,631 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-08-26 02:13:13,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:13:13,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-08-26 02:13:13,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 02:13:13,706 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 02:13:13,706 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-08-26 02:13:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 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) [2021-08-26 02:13:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 02:13:13,740 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:13:13,740 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:13:13,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:13:13,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:13:13,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-08-26 02:13:13,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:13:13,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006423941] [2021-08-26 02:13:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:13:13,761 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:13:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:13:13,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 02:13:13,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 02:13:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:13:14,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 02:13:14,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:13:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:13:14,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:13:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:13:14,415 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:13:14,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006423941] [2021-08-26 02:13:14,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006423941] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 02:13:14,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:13:14,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 02:13:14,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748313261] [2021-08-26 02:13:14,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 02:13:14,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:13:14,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 02:13:14,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:13:14,434 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-26 02:13:14,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:13:14,504 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-08-26 02:13:14,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 02:13:14,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2021-08-26 02:13:14,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:13:14,520 INFO L225 Difference]: With dead ends: 1205 [2021-08-26 02:13:14,520 INFO L226 Difference]: Without dead ends: 593 [2021-08-26 02:13:14,525 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:13:14,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-08-26 02:13:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-08-26 02:13:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 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) [2021-08-26 02:13:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-08-26 02:13:14,598 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-08-26 02:13:14,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:13:14,599 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-08-26 02:13:14,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-08-26 02:13:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-08-26 02:13:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 02:13:14,600 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:13:14,600 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:13:14,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-26 02:13:14,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:13:14,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:13:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:13:14,802 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-08-26 02:13:14,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:13:14,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488700708] [2021-08-26 02:13:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:13:14,803 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:13:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:13:14,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 02:13:14,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 02:13:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:13:15,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-26 02:13:15,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:13:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:13:15,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:13:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:13:15,596 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:13:15,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488700708] [2021-08-26 02:13:15,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488700708] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 02:13:15,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:13:15,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-26 02:13:15,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817188293] [2021-08-26 02:13:15,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 02:13:15,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:13:15,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 02:13:15,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:13:15,599 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-26 02:13:15,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:13:15,817 INFO L93 Difference]: Finished difference Result 1772 states and 2058 transitions. [2021-08-26 02:13:15,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 02:13:15,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 11 [2021-08-26 02:13:15,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:13:15,825 INFO L225 Difference]: With dead ends: 1772 [2021-08-26 02:13:15,825 INFO L226 Difference]: Without dead ends: 1184 [2021-08-26 02:13:15,827 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:13:15,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-08-26 02:13:15,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 597. [2021-08-26 02:13:15,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 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) [2021-08-26 02:13:15,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-08-26 02:13:15,858 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 11 [2021-08-26 02:13:15,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:13:15,858 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-08-26 02:13:15,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-26 02:13:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-08-26 02:13:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 02:13:15,860 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:13:15,860 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:13:15,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-26 02:13:16,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:13:16,077 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:13:16,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:13:16,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-08-26 02:13:16,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:13:16,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874552012] [2021-08-26 02:13:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:13:16,080 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:13:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:13:16,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 02:13:16,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-26 02:13:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:13:16,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 02:13:16,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:13:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:13:17,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:13:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:13:17,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:13:17,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874552012] [2021-08-26 02:13:17,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874552012] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-26 02:13:17,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:13:17,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 02:13:17,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740459924] [2021-08-26 02:13:17,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 02:13:17,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:13:17,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 02:13:17,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:13:17,464 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2021-08-26 02:13:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:13:17,834 INFO L93 Difference]: Finished difference Result 1194 states and 1387 transitions. [2021-08-26 02:13:17,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 02:13:17,835 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) Word has length 17 [2021-08-26 02:13:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:13:17,838 INFO L225 Difference]: With dead ends: 1194 [2021-08-26 02:13:17,839 INFO L226 Difference]: Without dead ends: 605 [2021-08-26 02:13:17,840 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 182.3ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:13:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-08-26 02:13:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-08-26 02:13:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.287292817679558) internal successors, (699), 604 states have internal predecessors, (699), 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) [2021-08-26 02:13:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 699 transitions. [2021-08-26 02:13:17,863 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 699 transitions. Word has length 17 [2021-08-26 02:13:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:13:17,863 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 699 transitions. [2021-08-26 02:13:17,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2021-08-26 02:13:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 699 transitions. [2021-08-26 02:13:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 02:13:17,865 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:13:17,865 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:13:17,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-26 02:13:18,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:13:18,085 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:13:18,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:13:18,086 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-08-26 02:13:18,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:13:18,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21848855] [2021-08-26 02:13:18,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:13:18,087 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:13:18,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:13:18,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 02:13:18,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-26 02:13:33,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:13:33,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:13:33,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 02:13:33,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:13:33,719 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:13:33,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 02:13:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 02:13:34,001 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 02:13:34,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21848855] [2021-08-26 02:13:34,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21848855] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-26 02:13:34,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:13:34,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-26 02:13:34,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18374534] [2021-08-26 02:13:34,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-26 02:13:34,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 02:13:34,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-26 02:13:34,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-08-26 02:13:34,017 INFO L87 Difference]: Start difference. First operand 605 states and 699 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) [2021-08-26 02:13:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:13:34,632 INFO L93 Difference]: Finished difference Result 1202 states and 1393 transitions. [2021-08-26 02:13:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-26 02:13:34,633 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) Word has length 25 [2021-08-26 02:13:34,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:13:34,636 INFO L225 Difference]: With dead ends: 1202 [2021-08-26 02:13:34,636 INFO L226 Difference]: Without dead ends: 613 [2021-08-26 02:13:34,638 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 321.0ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-08-26 02:13:34,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-08-26 02:13:34,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-08-26 02:13:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2831215970961887) internal successors, (707), 612 states have internal predecessors, (707), 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) [2021-08-26 02:13:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 707 transitions. [2021-08-26 02:13:34,652 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 707 transitions. Word has length 25 [2021-08-26 02:13:34,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:13:34,653 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 707 transitions. [2021-08-26 02:13:34,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) [2021-08-26 02:13:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 707 transitions. [2021-08-26 02:13:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 02:13:34,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:13:34,655 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:13:34,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-26 02:13:34,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:13:34,877 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-08-26 02:13:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:13:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-08-26 02:13:34,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 02:13:34,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212335770] [2021-08-26 02:13:34,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:13:34,879 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 02:13:34,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 02:13:34,894 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 02:13:34,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-26 02:13:52,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-08-26 02:13:52,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-26 02:13:52,715 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 02:14:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 02:14:04,094 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-26 02:14:04,095 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 02:14:04,096 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:14:04,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-26 02:14:04,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 02:14:04,346 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 02:14:04,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:14:04 BoogieIcfgContainer [2021-08-26 02:14:04,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:14:04,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:14:04,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:14:04,653 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:14:04,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:13:13" (3/4) ... [2021-08-26 02:14:04,658 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 02:14:04,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:14:04,660 INFO L168 Benchmark]: Toolchain (without parser) took 60150.22 ms. Allocated memory was 62.9 MB in the beginning and 406.8 MB in the end (delta: 343.9 MB). Free memory was 39.0 MB in the beginning and 326.2 MB in the end (delta: -287.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.1 GB. [2021-08-26 02:14:04,660 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:14:04,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1557.44 ms. Allocated memory was 62.9 MB in the beginning and 115.3 MB in the end (delta: 52.4 MB). Free memory was 38.9 MB in the beginning and 79.7 MB in the end (delta: -40.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-08-26 02:14:04,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.44 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 64.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 02:14:04,664 INFO L168 Benchmark]: Boogie Preprocessor took 151.41 ms. Allocated memory is still 115.3 MB. Free memory was 64.5 MB in the beginning and 75.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:14:04,665 INFO L168 Benchmark]: RCFGBuilder took 7216.14 ms. Allocated memory was 115.3 MB in the beginning and 262.1 MB in the end (delta: 146.8 MB). Free memory was 75.5 MB in the beginning and 112.4 MB in the end (delta: -36.9 MB). Peak memory consumption was 135.1 MB. Max. memory is 16.1 GB. [2021-08-26 02:14:04,666 INFO L168 Benchmark]: TraceAbstraction took 51026.57 ms. Allocated memory was 262.1 MB in the beginning and 406.8 MB in the end (delta: 144.7 MB). Free memory was 112.4 MB in the beginning and 326.2 MB in the end (delta: -213.9 MB). Peak memory consumption was 137.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:14:04,667 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 406.8 MB. Free memory is still 326.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:14:04,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1557.44 ms. Allocated memory was 62.9 MB in the beginning and 115.3 MB in the end (delta: 52.4 MB). Free memory was 38.9 MB in the beginning and 79.7 MB in the end (delta: -40.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.44 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 64.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.41 ms. Allocated memory is still 115.3 MB. Free memory was 64.5 MB in the beginning and 75.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7216.14 ms. Allocated memory was 115.3 MB in the beginning and 262.1 MB in the end (delta: 146.8 MB). Free memory was 75.5 MB in the beginning and 112.4 MB in the end (delta: -36.9 MB). Peak memory consumption was 135.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51026.57 ms. Allocated memory was 262.1 MB in the beginning and 406.8 MB in the end (delta: 144.7 MB). Free memory was 112.4 MB in the beginning and 326.2 MB in the end (delta: -213.9 MB). Peak memory consumption was 137.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.32 ms. Allocated memory is still 406.8 MB. Free memory is still 326.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={0:0}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-2147483594:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={-2013265498:0}, fixed_cdev_used=0, fixed_gendisk={-2147483610:0}, fixed_request_queue={1073741835:0}, genhd_registered={-2013265758:0}, global_tty_driver={1207963650:0}, jiffies=0, kernel_lock={-2013261822:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={268435493:0}, registered_pci_driver={536870949:0}, shared_workqueue={4:0}, tasklet_registered={-2130706412:0}, timer_registered={-2126512109:0}, zf_action=2048, zf_expect_close=0, zf_fops={-2147483606:0}, zf_info={-2013265864:0}, zf_is_open={134217765:0}, zf_lock={-2013265760:0}, zf_miscdev={-1476395002:0}, zf_notifier={-2147483609:0}, zf_port_lock={-2013265882:0}, zf_timer={553648262:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 50649.6ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 15.0ms, AutomataDifference: 1332.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2750 SDtfs, 6141 SDslu, 6794 SDs, 0 SdLazy, 206 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 710.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 516.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 120.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 587 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 392.3ms SsaConstructionTime, 33041.7ms SatisfiabilityAnalysisTime, 1856.9ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-26 02:14:04,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...