./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.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 e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 18:58:33,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 18:58:33,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 18:58:34,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 18:58:34,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 18:58:34,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 18:58:34,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 18:58:34,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 18:58:34,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 18:58:34,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 18:58:34,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 18:58:34,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 18:58:34,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 18:58:34,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 18:58:34,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 18:58:34,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 18:58:34,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 18:58:34,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 18:58:34,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 18:58:34,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 18:58:34,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 18:58:34,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 18:58:34,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 18:58:34,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 18:58:34,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 18:58:34,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 18:58:34,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 18:58:34,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 18:58:34,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 18:58:34,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 18:58:34,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 18:58:34,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 18:58:34,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 18:58:34,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 18:58:34,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 18:58:34,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 18:58:34,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 18:58:34,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 18:58:34,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 18:58:34,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 18:58:34,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 18:58:34,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 18:58:34,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 18:58:34,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 18:58:34,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 18:58:34,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 18:58:34,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 18:58:34,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 18:58:34,088 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 18:58:34,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 18:58:34,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 18:58:34,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 18:58:34,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 18:58:34,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 18:58:34,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 18:58:34,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 18:58:34,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 18:58:34,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 18:58:34,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 18:58:34,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 18:58:34,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 18:58:34,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 18:58:34,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 18:58:34,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 18:58:34,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 18:58:34,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 18:58:34,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 18:58:34,091 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 18:58:34,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 18:58:34,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 18:58:34,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 18:58:34,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 [2021-11-06 18:58:34,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 18:58:34,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 18:58:34,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 18:58:34,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 18:58:34,288 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 18:58:34,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-06 18:58:34,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbd6adeb/e5e9fdb357c342ffa318422a5bae4553/FLAG66033a388 [2021-11-06 18:58:35,014 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 18:58:35,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-06 18:58:35,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbd6adeb/e5e9fdb357c342ffa318422a5bae4553/FLAG66033a388 [2021-11-06 18:58:35,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dbd6adeb/e5e9fdb357c342ffa318422a5bae4553 [2021-11-06 18:58:35,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 18:58:35,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 18:58:35,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 18:58:35,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 18:58:35,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 18:58:35,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:58:35" (1/1) ... [2021-11-06 18:58:35,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27816201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:35, skipping insertion in model container [2021-11-06 18:58:35,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:58:35" (1/1) ... [2021-11-06 18:58:35,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 18:58:35,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 18:58:38,842 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-11-06 18:58:38,845 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-11-06 18:58:38,845 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-11-06 18:58:38,845 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-11-06 18:58:38,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 18:58:38,908 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 18:58:39,363 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-11-06 18:58:39,364 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-11-06 18:58:39,364 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-11-06 18:58:39,364 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-11-06 18:58:39,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 18:58:39,596 INFO L208 MainTranslator]: Completed translation [2021-11-06 18:58:39,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39 WrapperNode [2021-11-06 18:58:39,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 18:58:39,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 18:58:39,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 18:58:39,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 18:58:39,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:39,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:42,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 18:58:42,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 18:58:42,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 18:58:42,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 18:58:42,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:42,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:43,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:43,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:44,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:45,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:45,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:45,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 18:58:45,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 18:58:45,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 18:58:45,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 18:58:45,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (1/1) ... [2021-11-06 18:58:45,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 18:58:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 18:58:45,819 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 18:58:45,822 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 18:58:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-06 18:58:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-06 18:58:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 18:58:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-06 18:58:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-06 18:58:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-06 18:58:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-06 18:58:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 18:58:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-06 18:58:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-06 18:58:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 18:58:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 18:58:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 18:58:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 18:58:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 18:58:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-06 18:58:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 18:58:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 18:58:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 18:58:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 18:58:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 18:58:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-06 18:58:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-06 18:58:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 18:58:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 18:58:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-06 18:58:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-06 18:58:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-06 18:58:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-06 18:58:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 18:58:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 18:58:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 19:12:37,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-06 19:12:37,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-06 19:12:37,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-06 19:12:37,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-06 19:12:37,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-06 19:12:37,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-06 19:12:40,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 19:12:40,674 INFO L299 CfgBuilder]: Removed 22144 assume(true) statements. [2021-11-06 19:12:40,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:12:40 BoogieIcfgContainer [2021-11-06 19:12:40,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 19:12:40,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 19:12:40,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 19:12:40,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 19:12:40,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:58:35" (1/3) ... [2021-11-06 19:12:40,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:12:40, skipping insertion in model container [2021-11-06 19:12:40,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:58:39" (2/3) ... [2021-11-06 19:12:40,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:12:40, skipping insertion in model container [2021-11-06 19:12:40,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:12:40" (3/3) ... [2021-11-06 19:12:40,697 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-06 19:12:40,700 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 19:12:40,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 239 error locations. [2021-11-06 19:12:40,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 19:12:40,789 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 19:12:40,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 239 error locations. [2021-11-06 19:12:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 28984 states, 28710 states have (on average 1.4477533960292581) internal successors, (41565), 28948 states have internal predecessors, (41565), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-06 19:12:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-06 19:12:41,069 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 19:12:41,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 19:12:41,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [enic_openErr0ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr1ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr2ASSERT_VIOLATIONERROR_FUNCTION (and 236 more)] === [2021-11-06 19:12:41,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 19:12:41,073 INFO L85 PathProgramCache]: Analyzing trace with hash -951489560, now seen corresponding path program 1 times [2021-11-06 19:12:41,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 19:12:41,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731014065] [2021-11-06 19:12:41,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 19:12:41,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 19:12:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 19:12:42,128 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 19:12:42,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 19:12:42,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731014065] [2021-11-06 19:12:42,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731014065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 19:12:42,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 19:12:42,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 19:12:42,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502605441] [2021-11-06 19:12:42,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 19:12:42,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 19:12:42,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 19:12:42,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 19:12:42,194 INFO L87 Difference]: Start difference. First operand has 28984 states, 28710 states have (on average 1.4477533960292581) internal successors, (41565), 28948 states have internal predecessors, (41565), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 19:12:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 19:12:45,984 INFO L93 Difference]: Finished difference Result 86152 states and 123762 transitions. [2021-11-06 19:12:45,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 19:12:45,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2021-11-06 19:12:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 19:12:46,375 INFO L225 Difference]: With dead ends: 86152 [2021-11-06 19:12:46,376 INFO L226 Difference]: Without dead ends: 56625 [2021-11-06 19:12:46,489 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 19:12:46,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56625 states. [2021-11-06 19:12:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56625 to 56215. [2021-11-06 19:12:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56215 states, 55906 states have (on average 1.42786105248095) internal successors, (79826), 56144 states have internal predecessors, (79826), 50 states have call successors, (50), 20 states have call predecessors, (50), 20 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-06 19:12:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56215 states to 56215 states and 79926 transitions. [2021-11-06 19:12:47,949 INFO L78 Accepts]: Start accepts. Automaton has 56215 states and 79926 transitions. Word has length 60 [2021-11-06 19:12:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 19:12:47,951 INFO L470 AbstractCegarLoop]: Abstraction has 56215 states and 79926 transitions. [2021-11-06 19:12:47,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 19:12:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 56215 states and 79926 transitions. [2021-11-06 19:12:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-06 19:12:47,958 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 19:12:47,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 19:12:47,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 19:12:47,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [enic_openErr0ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr1ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr2ASSERT_VIOLATIONERROR_FUNCTION (and 236 more)] === [2021-11-06 19:12:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 19:12:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1322070426, now seen corresponding path program 1 times [2021-11-06 19:12:47,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 19:12:47,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057974811] [2021-11-06 19:12:47,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 19:12:47,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 19:12:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 19:12:48,703 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 19:12:48,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 19:12:48,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057974811] [2021-11-06 19:12:48,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057974811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 19:12:48,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 19:12:48,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 19:12:48,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875068949] [2021-11-06 19:12:48,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 19:12:48,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 19:12:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 19:12:48,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 19:12:48,713 INFO L87 Difference]: Start difference. First operand 56215 states and 79926 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 19:12:53,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 19:12:53,143 INFO L93 Difference]: Finished difference Result 151865 states and 215905 transitions. [2021-11-06 19:12:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 19:12:53,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2021-11-06 19:12:53,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 19:12:53,457 INFO L225 Difference]: With dead ends: 151865 [2021-11-06 19:12:53,457 INFO L226 Difference]: Without dead ends: 95774 [2021-11-06 19:12:53,573 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 19:12:53,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95774 states.