./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 15:04:22,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 15:04:22,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 15:04:22,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 15:04:22,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 15:04:22,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 15:04:22,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 15:04:22,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 15:04:22,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 15:04:22,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 15:04:22,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 15:04:22,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 15:04:22,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 15:04:22,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 15:04:22,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 15:04:22,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 15:04:22,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 15:04:22,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 15:04:22,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 15:04:22,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 15:04:22,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 15:04:22,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 15:04:22,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 15:04:22,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 15:04:22,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 15:04:22,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 15:04:22,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 15:04:22,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 15:04:22,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 15:04:22,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 15:04:22,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 15:04:22,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 15:04:22,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 15:04:22,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 15:04:22,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 15:04:22,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 15:04:22,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 15:04:22,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 15:04:22,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 15:04:22,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 15:04:22,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 15:04:22,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 15:04:22,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 15:04:22,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 15:04:22,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 15:04:22,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 15:04:22,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 15:04:22,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 15:04:22,914 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 15:04:22,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 15:04:22,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 15:04:22,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 15:04:22,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 15:04:22,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 15:04:22,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 15:04:22,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 15:04:22,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 15:04:22,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 15:04:22,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 15:04:22,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 15:04:22,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 15:04:22,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:04:22,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 15:04:22,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 15:04:22,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 15:04:22,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 15:04:22,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 15:04:22,918 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 15:04:22,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 15:04:22,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 15:04:22,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 15:04:22,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2021-11-06 15:04:23,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 15:04:23,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 15:04:23,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 15:04:23,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 15:04:23,221 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 15:04:23,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2021-11-06 15:04:23,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9683662/b047aeaacfed4ddeb44a344d25901712/FLAG8cf5ace39 [2021-11-06 15:04:23,929 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 15:04:23,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2021-11-06 15:04:23,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9683662/b047aeaacfed4ddeb44a344d25901712/FLAG8cf5ace39 [2021-11-06 15:04:24,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9683662/b047aeaacfed4ddeb44a344d25901712 [2021-11-06 15:04:24,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 15:04:24,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 15:04:24,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 15:04:24,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 15:04:24,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 15:04:24,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:04:24" (1/1) ... [2021-11-06 15:04:24,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfef59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:24, skipping insertion in model container [2021-11-06 15:04:24,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:04:24" (1/1) ... [2021-11-06 15:04:24,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 15:04:24,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 15:04:24,848 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2021-11-06 15:04:24,850 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2021-11-06 15:04:24,958 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/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2021-11-06 15:04:25,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:04:25,504 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 15:04:25,593 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2021-11-06 15:04:25,593 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2021-11-06 15:04:25,601 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/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2021-11-06 15:04:25,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:04:25,820 INFO L208 MainTranslator]: Completed translation [2021-11-06 15:04:25,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25 WrapperNode [2021-11-06 15:04:25,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 15:04:25,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 15:04:25,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 15:04:25,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 15:04:25,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:25,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:28,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 15:04:28,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 15:04:28,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 15:04:28,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 15:04:28,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:28,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:28,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:28,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:30,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:30,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:30,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:31,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 15:04:31,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 15:04:31,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 15:04:31,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 15:04:31,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (1/1) ... [2021-11-06 15:04:31,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:04:31,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 15:04:31,143 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) [2021-11-06 15:04:31,174 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 [2021-11-06 15:04:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 15:04:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 15:04:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 15:04:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 15:04:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 15:04:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 15:04:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 15:05:42,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 15:05:42,426 INFO L299 CfgBuilder]: Removed 21438 assume(true) statements. [2021-11-06 15:05:42,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:05:42 BoogieIcfgContainer [2021-11-06 15:05:42,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 15:05:42,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 15:05:42,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 15:05:42,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 15:05:42,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:04:24" (1/3) ... [2021-11-06 15:05:42,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dab2962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:05:42, skipping insertion in model container [2021-11-06 15:05:42,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:04:25" (2/3) ... [2021-11-06 15:05:42,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dab2962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:05:42, skipping insertion in model container [2021-11-06 15:05:42,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:05:42" (3/3) ... [2021-11-06 15:05:42,444 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2021-11-06 15:05:42,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 15:05:42,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2021-11-06 15:05:42,539 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 15:05:42,544 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-11-06 15:05:42,544 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-11-06 15:05:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 14702 states, 14651 states have (on average 1.394307555798239) internal successors, (20428), 14701 states have internal predecessors, (20428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 15:05:42,718 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:05:42,718 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:05:42,719 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2021-11-06 15:05:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:05:42,724 INFO L85 PathProgramCache]: Analyzing trace with hash -605488511, now seen corresponding path program 1 times [2021-11-06 15:05:42,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:05:42,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482501622] [2021-11-06 15:05:42,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:05:42,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:05:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:05:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:05:43,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:05:43,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482501622] [2021-11-06 15:05:43,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482501622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:05:43,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:05:43,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:05:43,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493368523] [2021-11-06 15:05:43,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 15:05:43,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:05:43,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 15:05:43,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 15:05:43,409 INFO L87 Difference]: Start difference. First operand has 14702 states, 14651 states have (on average 1.394307555798239) internal successors, (20428), 14701 states have internal predecessors, (20428), 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 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:44,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:05:44,466 INFO L93 Difference]: Finished difference Result 45310 states and 63169 transitions. [2021-11-06 15:05:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:05:44,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2021-11-06 15:05:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:05:44,594 INFO L225 Difference]: With dead ends: 45310 [2021-11-06 15:05:44,595 INFO L226 Difference]: Without dead ends: 30412 [2021-11-06 15:05:44,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:05:44,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30412 states. [2021-11-06 15:05:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30412 to 16758. [2021-11-06 15:05:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16758 states, 16708 states have (on average 1.385863059612162) internal successors, (23155), 16757 states have internal predecessors, (23155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16758 states to 16758 states and 23155 transitions. [2021-11-06 15:05:45,102 INFO L78 Accepts]: Start accepts. Automaton has 16758 states and 23155 transitions. Word has length 43 [2021-11-06 15:05:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:05:45,102 INFO L470 AbstractCegarLoop]: Abstraction has 16758 states and 23155 transitions. [2021-11-06 15:05:45,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 16758 states and 23155 transitions. [2021-11-06 15:05:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 15:05:45,108 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:05:45,108 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:05:45,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 15:05:45,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2021-11-06 15:05:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:05:45,109 INFO L85 PathProgramCache]: Analyzing trace with hash -407879037, now seen corresponding path program 1 times [2021-11-06 15:05:45,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:05:45,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411437452] [2021-11-06 15:05:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:05:45,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:05:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:05:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:05:45,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:05:45,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411437452] [2021-11-06 15:05:45,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411437452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:05:45,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:05:45,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:05:45,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162017696] [2021-11-06 15:05:45,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 15:05:45,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:05:45,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 15:05:45,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 15:05:45,212 INFO L87 Difference]: Start difference. First operand 16758 states and 23155 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:46,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:05:46,126 INFO L93 Difference]: Finished difference Result 55748 states and 77467 transitions. [2021-11-06 15:05:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:05:46,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-11-06 15:05:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:05:46,213 INFO L225 Difference]: With dead ends: 55748 [2021-11-06 15:05:46,213 INFO L226 Difference]: Without dead ends: 39008 [2021-11-06 15:05:46,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:05:46,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39008 states. [2021-11-06 15:05:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39008 to 30314. [2021-11-06 15:05:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30314 states, 30264 states have (on average 1.3876883425852498) internal successors, (41997), 30313 states have internal predecessors, (41997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30314 states to 30314 states and 41997 transitions. [2021-11-06 15:05:47,050 INFO L78 Accepts]: Start accepts. Automaton has 30314 states and 41997 transitions. Word has length 44 [2021-11-06 15:05:47,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:05:47,050 INFO L470 AbstractCegarLoop]: Abstraction has 30314 states and 41997 transitions. [2021-11-06 15:05:47,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 30314 states and 41997 transitions. [2021-11-06 15:05:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-06 15:05:47,056 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:05:47,057 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:05:47,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 15:05:47,057 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2021-11-06 15:05:47,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:05:47,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1423058640, now seen corresponding path program 1 times [2021-11-06 15:05:47,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:05:47,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134876881] [2021-11-06 15:05:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:05:47,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:05:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:05:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:05:47,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:05:47,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134876881] [2021-11-06 15:05:47,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134876881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:05:47,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:05:47,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:05:47,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439822728] [2021-11-06 15:05:47,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 15:05:47,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:05:47,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 15:05:47,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 15:05:47,156 INFO L87 Difference]: Start difference. First operand 30314 states and 41997 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:05:48,351 INFO L93 Difference]: Finished difference Result 101940 states and 142035 transitions. [2021-11-06 15:05:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:05:48,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2021-11-06 15:05:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:05:48,523 INFO L225 Difference]: With dead ends: 101940 [2021-11-06 15:05:48,523 INFO L226 Difference]: Without dead ends: 71644 [2021-11-06 15:05:48,598 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:05:48,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71644 states. [2021-11-06 15:05:49,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71644 to 54345. [2021-11-06 15:05:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54345 states, 54295 states have (on average 1.3895570494520675) internal successors, (75446), 54344 states have internal predecessors, (75446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54345 states to 54345 states and 75446 transitions. [2021-11-06 15:05:49,986 INFO L78 Accepts]: Start accepts. Automaton has 54345 states and 75446 transitions. Word has length 45 [2021-11-06 15:05:49,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:05:49,987 INFO L470 AbstractCegarLoop]: Abstraction has 54345 states and 75446 transitions. [2021-11-06 15:05:49,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 54345 states and 75446 transitions. [2021-11-06 15:05:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-06 15:05:49,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:05:49,993 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:05:49,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 15:05:49,994 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2021-11-06 15:05:49,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:05:49,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1947404238, now seen corresponding path program 1 times [2021-11-06 15:05:49,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:05:49,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31682043] [2021-11-06 15:05:49,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:05:49,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:05:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:05:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:05:50,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:05:50,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31682043] [2021-11-06 15:05:50,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31682043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:05:50,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:05:50,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:05:50,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580653161] [2021-11-06 15:05:50,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 15:05:50,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:05:50,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 15:05:50,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 15:05:50,116 INFO L87 Difference]: Start difference. First operand 54345 states and 75446 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:05:52,536 INFO L93 Difference]: Finished difference Result 185077 states and 258454 transitions. [2021-11-06 15:05:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:05:52,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2021-11-06 15:05:52,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:05:52,896 INFO L225 Difference]: With dead ends: 185077 [2021-11-06 15:05:52,896 INFO L226 Difference]: Without dead ends: 130750 [2021-11-06 15:05:53,001 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:05:53,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130750 states. [2021-11-06 15:05:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130750 to 96244. [2021-11-06 15:05:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96244 states, 96194 states have (on average 1.391687631245192) internal successors, (133872), 96243 states have internal predecessors, (133872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96244 states to 96244 states and 133872 transitions. [2021-11-06 15:05:56,140 INFO L78 Accepts]: Start accepts. Automaton has 96244 states and 133872 transitions. Word has length 46 [2021-11-06 15:05:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:05:56,141 INFO L470 AbstractCegarLoop]: Abstraction has 96244 states and 133872 transitions. [2021-11-06 15:05:56,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:05:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 96244 states and 133872 transitions. [2021-11-06 15:05:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-06 15:05:56,157 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:05:56,157 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:05:56,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 15:05:56,157 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2021-11-06 15:05:56,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:05:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash 514931022, now seen corresponding path program 1 times [2021-11-06 15:05:56,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:05:56,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321029441] [2021-11-06 15:05:56,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:05:56,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:05:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:05:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-06 15:05:56,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:05:56,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321029441] [2021-11-06 15:05:56,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321029441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:05:56,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:05:56,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 15:05:56,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453338331] [2021-11-06 15:05:56,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 15:05:56,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:05:56,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 15:05:56,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:05:56,281 INFO L87 Difference]: Start difference. First operand 96244 states and 133872 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:06:00,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:06:00,674 INFO L93 Difference]: Finished difference Result 281264 states and 392286 transitions. [2021-11-06 15:06:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 15:06:00,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 50 [2021-11-06 15:06:00,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:06:01,099 INFO L225 Difference]: With dead ends: 281264 [2021-11-06 15:06:01,099 INFO L226 Difference]: Without dead ends: 185038 [2021-11-06 15:06:01,269 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-06 15:06:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185038 states. [2021-11-06 15:06:04,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185038 to 96284. [2021-11-06 15:06:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96284 states, 96234 states have (on average 1.3915248249059584) internal successors, (133912), 96283 states have internal predecessors, (133912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:06:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96284 states to 96284 states and 133912 transitions. [2021-11-06 15:06:04,949 INFO L78 Accepts]: Start accepts. Automaton has 96284 states and 133912 transitions. Word has length 50 [2021-11-06 15:06:04,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:06:04,951 INFO L470 AbstractCegarLoop]: Abstraction has 96284 states and 133912 transitions. [2021-11-06 15:06:04,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:06:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 96284 states and 133912 transitions. [2021-11-06 15:06:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 15:06:04,977 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:06:04,977 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:06:04,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 15:06:04,977 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 47 more)] === [2021-11-06 15:06:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:06:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1049898244, now seen corresponding path program 1 times [2021-11-06 15:06:04,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:06:04,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874225428] [2021-11-06 15:06:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:06:04,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:06:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:06:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:06:05,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:06:05,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874225428] [2021-11-06 15:06:05,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874225428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:06:05,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:06:05,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:06:05,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328606467] [2021-11-06 15:06:05,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:06:05,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:06:05,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:06:05,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:06:05,076 INFO L87 Difference]: Start difference. First operand 96284 states and 133912 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:06:08,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:06:08,549 INFO L93 Difference]: Finished difference Result 259808 states and 360224 transitions. [2021-11-06 15:06:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:06:08,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 15:06:08,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:06:08,866 INFO L225 Difference]: With dead ends: 259808 [2021-11-06 15:06:08,867 INFO L226 Difference]: Without dead ends: 163542 [2021-11-06 15:06:09,026 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:06:09,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163542 states.