./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa --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 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:50:17,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:50:17,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:50:17,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:50:17,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:50:17,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:50:17,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:50:17,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:50:17,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:50:17,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:50:17,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:50:17,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:50:17,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:50:17,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:50:17,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:50:18,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:50:18,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:50:18,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:50:18,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:50:18,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:50:18,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:50:18,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:50:18,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:50:18,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:50:18,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:50:18,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:50:18,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:50:18,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:50:18,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:50:18,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:50:18,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:50:18,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:50:18,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:50:18,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:50:18,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:50:18,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:50:18,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:50:18,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:50:18,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:50:18,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:50:18,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:50:18,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:50:18,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:50:18,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:50:18,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:50:18,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:50:18,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:50:18,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:50:18,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:50:18,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:50:18,052 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:50:18,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:50:18,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:50:18,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:50:18,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:50:18,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:50:18,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:50:18,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:50:18,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:50:18,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:50:18,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:50:18,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:50:18,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:50:18,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:50:18,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:50:18,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:50:18,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:50:18,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:50:18,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:50:18,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:50:18,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:50:18,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:50:18,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:50:18,056 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 [2021-12-06 22:50:18,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:50:18,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:50:18,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:50:18,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:50:18,295 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:50:18,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-12-06 22:50:18,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/data/88ba871f4/a32ab4bf63634bb68a577859970976c0/FLAG2c094a5bc [2021-12-06 22:50:19,352 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:50:19,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-12-06 22:50:19,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/data/88ba871f4/a32ab4bf63634bb68a577859970976c0/FLAG2c094a5bc [2021-12-06 22:50:19,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/data/88ba871f4/a32ab4bf63634bb68a577859970976c0 [2021-12-06 22:50:19,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:50:19,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:50:19,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:50:19,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:50:19,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:50:19,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:50:19" (1/1) ... [2021-12-06 22:50:19,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243b93d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:19, skipping insertion in model container [2021-12-06 22:50:19,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:50:19" (1/1) ... [2021-12-06 22:50:19,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:50:20,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:50:28,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2021-12-06 22:50:28,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2021-12-06 22:50:28,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:50:28,911 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:50:29,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2021-12-06 22:50:29,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2021-12-06 22:50:29,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:50:30,364 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:50:30,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30 WrapperNode [2021-12-06 22:50:30,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:50:30,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:50:30,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:50:30,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:50:30,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:30,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:31,186 INFO L137 Inliner]: procedures = 852, calls = 16559, calls flagged for inlining = 416, calls inlined = 353, statements flattened = 29452 [2021-12-06 22:50:31,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:50:31,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:50:31,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:50:31,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:50:31,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:31,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:31,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:31,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:32,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:32,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:32,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:32,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:50:32,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:50:32,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:50:32,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:50:32,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (1/1) ... [2021-12-06 22:50:32,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:50:32,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:50:32,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:50:32,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d724df7c-6b7e-4f67-90db-f9c18ce89acc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:50:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-12-06 22:50:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-12-06 22:50:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-06 22:50:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-06 22:50:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-12-06 22:50:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-12-06 22:50:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-12-06 22:50:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-12-06 22:50:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 22:50:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 22:50:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-06 22:50:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-06 22:50:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-12-06 22:50:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-12-06 22:50:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 22:50:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 22:50:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-06 22:50:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-06 22:50:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-12-06 22:50:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-12-06 22:50:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 22:50:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 22:50:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 22:50:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 22:50:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-12-06 22:50:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-12-06 22:50:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 22:50:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 22:50:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-12-06 22:50:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-12-06 22:50:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-12-06 22:50:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-12-06 22:50:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-06 22:50:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-06 22:50:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 22:50:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 22:50:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 22:50:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 22:50:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:50:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:50:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 22:50:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 22:50:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-12-06 22:50:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-12-06 22:50:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-12-06 22:50:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-12-06 22:50:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-12-06 22:50:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-12-06 22:50:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-06 22:50:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-06 22:50:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:50:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:50:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:50:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:50:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_113 [2021-12-06 22:50:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_113 [2021-12-06 22:50:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-12-06 22:50:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-12-06 22:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-12-06 22:50:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-12-06 22:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-06 22:50:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-06 22:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-12-06 22:50:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-12-06 22:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 22:50:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 22:50:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-12-06 22:50:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-12-06 22:50:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 22:50:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 22:50:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-12-06 22:50:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-12-06 22:50:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:50:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_108 [2021-12-06 22:50:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_108 [2021-12-06 22:50:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-12-06 22:50:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-12-06 22:50:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-12-06 22:50:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-12-06 22:50:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 22:50:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 22:50:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 22:50:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 22:50:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-12-06 22:50:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-12-06 22:50:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 22:50:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 22:50:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-12-06 22:50:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-12-06 22:50:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-06 22:50:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-06 22:50:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-12-06 22:50:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-12-06 22:50:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:50:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-06 22:50:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-06 22:50:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-12-06 22:50:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-12-06 22:50:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:50:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 22:50:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 22:50:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 22:50:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 22:50:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:50:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-12-06 22:50:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-12-06 22:50:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:50:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 22:50:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 22:50:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-12-06 22:50:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-12-06 22:50:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 22:50:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 22:50:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-12-06 22:50:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-12-06 22:50:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:50:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:50:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-12-06 22:50:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-12-06 22:50:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 22:50:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 22:50:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-06 22:50:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-06 22:50:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-06 22:50:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-06 22:50:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 22:50:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 22:50:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-12-06 22:50:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-12-06 22:50:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-12-06 22:50:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-12-06 22:50:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-06 22:50:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-06 22:50:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:50:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:50:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-12-06 22:50:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-12-06 22:50:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-06 22:50:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-06 22:50:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-12-06 22:50:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-12-06 22:50:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-12-06 22:50:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-12-06 22:50:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 22:50:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 22:50:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-12-06 22:50:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-12-06 22:50:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:50:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 22:50:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 22:50:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-12-06 22:50:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-12-06 22:50:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 22:50:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 22:50:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 22:50:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 22:50:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 22:50:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-12-06 22:50:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-12-06 22:50:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-06 22:50:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-06 22:50:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 22:50:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 22:50:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:50:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:50:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-12-06 22:50:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-12-06 22:50:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-12-06 22:50:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-12-06 22:50:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-06 22:50:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-06 22:50:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 22:50:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 22:50:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-12-06 22:50:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-12-06 22:50:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 22:50:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 22:50:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-06 22:50:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-06 22:50:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:50:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:50:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:50:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2021-12-06 22:50:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2021-12-06 22:50:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-12-06 22:50:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-12-06 22:50:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:50:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-06 22:50:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-06 22:50:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-12-06 22:50:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-12-06 22:50:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-12-06 22:50:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-12-06 22:50:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-12-06 22:50:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-12-06 22:50:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-12-06 22:50:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-12-06 22:50:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-12-06 22:50:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-12-06 22:50:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 22:50:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 22:50:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-12-06 22:50:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-12-06 22:50:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 22:50:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 22:50:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:50:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:50:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-12-06 22:50:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-12-06 22:50:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 22:50:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 22:50:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-12-06 22:50:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-12-06 22:50:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-12-06 22:50:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-12-06 22:50:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-12-06 22:50:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-12-06 22:50:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-12-06 22:50:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-12-06 22:50:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 22:50:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 22:50:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-06 22:50:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-06 22:50:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-12-06 22:50:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-12-06 22:50:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-12-06 22:50:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-12-06 22:50:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-06 22:50:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-06 22:50:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 22:50:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 22:50:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:50:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-12-06 22:50:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-12-06 22:50:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:50:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:50:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-12-06 22:50:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-12-06 22:50:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 22:50:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 22:50:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-12-06 22:50:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-12-06 22:50:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-12-06 22:50:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-12-06 22:50:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-12-06 22:50:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-12-06 22:50:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-06 22:50:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-06 22:50:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-12-06 22:50:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-12-06 22:50:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 22:50:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 22:50:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-12-06 22:50:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-12-06 22:50:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 22:50:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 22:50:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 22:50:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 22:50:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-12-06 22:50:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-12-06 22:50:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-06 22:50:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-06 22:50:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-06 22:50:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-12-06 22:50:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-12-06 22:50:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 22:50:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 22:50:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 22:50:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 22:50:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-06 22:50:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-06 22:50:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-12-06 22:50:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-12-06 22:50:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:50:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:50:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-12-06 22:50:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-12-06 22:50:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-12-06 22:50:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-12-06 22:50:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-12-06 22:50:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-12-06 22:50:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 22:50:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 22:50:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-06 22:50:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-06 22:50:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 22:50:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 22:50:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 22:50:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 22:50:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-12-06 22:50:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-12-06 22:50:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-12-06 22:50:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-12-06 22:50:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-12-06 22:50:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-12-06 22:50:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-12-06 22:50:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-12-06 22:50:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-12-06 22:50:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-12-06 22:50:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 22:50:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 22:50:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 22:50:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 22:50:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 22:50:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 22:50:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 22:50:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 22:50:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-06 22:50:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-06 22:50:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:50:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-12-06 22:50:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-12-06 22:50:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-12-06 22:50:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-12-06 22:50:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-12-06 22:50:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-12-06 22:50:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-12-06 22:50:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-12-06 22:50:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-12-06 22:50:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-12-06 22:50:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 22:50:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 22:50:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:50:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-12-06 22:50:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-12-06 22:50:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-12-06 22:50:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-12-06 22:50:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:50:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 22:50:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 22:50:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 22:50:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 22:50:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-12-06 22:50:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-12-06 22:50:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:50:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:50:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-12-06 22:50:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-12-06 22:50:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-12-06 22:50:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-12-06 22:50:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 22:50:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 22:50:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 22:50:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 22:50:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-06 22:50:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-06 22:50:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 22:50:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 22:50:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-12-06 22:50:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-12-06 22:50:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-06 22:50:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-06 22:50:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-06 22:50:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-06 22:50:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-12-06 22:50:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-12-06 22:50:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 22:50:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 22:50:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 22:50:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 22:50:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 22:50:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 22:50:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-06 22:50:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-06 22:50:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-06 22:50:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-06 22:50:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-12-06 22:50:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-12-06 22:50:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-06 22:50:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-06 22:50:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-12-06 22:50:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-12-06 22:50:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-12-06 22:50:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-12-06 22:50:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-12-06 22:50:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-12-06 22:50:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 22:50:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 22:50:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:50:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:50:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 22:50:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 22:50:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-12-06 22:50:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-12-06 22:50:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 22:50:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 22:50:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-12-06 22:50:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-12-06 22:50:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-12-06 22:50:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-12-06 22:50:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 22:50:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 22:50:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-12-06 22:50:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-12-06 22:50:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-06 22:50:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-06 22:50:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-12-06 22:50:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-12-06 22:50:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 22:50:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 22:50:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-12-06 22:50:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-12-06 22:50:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-06 22:50:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-06 22:50:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:50:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:50:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:50:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 22:50:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 22:50:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 22:50:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 22:50:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 22:50:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 22:50:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-12-06 22:50:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-12-06 22:50:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 22:50:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 22:50:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 22:50:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 22:50:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-12-06 22:50:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-12-06 22:50:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 22:50:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 22:50:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-12-06 22:50:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-12-06 22:50:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 22:50:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 22:50:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-12-06 22:50:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-12-06 22:50:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 22:50:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 22:50:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 22:50:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 22:50:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 22:50:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 22:50:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-06 22:50:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-06 22:50:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-06 22:50:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-06 22:50:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:50:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-12-06 22:50:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-12-06 22:50:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-12-06 22:50:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-12-06 22:50:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-12-06 22:50:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-12-06 22:50:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 22:50:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 22:50:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 22:50:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 22:50:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 22:50:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 22:50:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-12-06 22:50:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-12-06 22:50:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-12-06 22:50:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-12-06 22:50:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-12-06 22:50:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-12-06 22:50:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-12-06 22:50:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-12-06 22:50:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 22:50:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 22:50:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 22:50:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 22:50:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-06 22:50:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-06 22:50:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-12-06 22:50:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-12-06 22:50:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-12-06 22:50:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-12-06 22:50:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-12-06 22:50:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-12-06 22:50:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-12-06 22:50:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-12-06 22:50:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-06 22:50:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-06 22:50:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-06 22:50:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-06 22:50:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:50:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:50:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-12-06 22:50:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-12-06 22:50:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-12-06 22:50:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-12-06 22:50:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-12-06 22:50:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-12-06 22:50:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-06 22:50:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-06 22:50:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-12-06 22:50:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-12-06 22:50:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 22:50:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 22:50:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-12-06 22:50:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-12-06 22:50:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 22:50:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 22:50:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-06 22:50:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-06 22:50:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 22:50:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 22:50:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-12-06 22:50:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-12-06 22:50:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-12-06 22:50:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-12-06 22:50:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 22:50:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 22:50:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 22:50:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 22:50:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 22:50:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 22:50:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 22:50:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 22:50:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-12-06 22:50:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-12-06 22:50:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:50:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:50:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 22:50:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 22:50:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2021-12-06 22:50:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2021-12-06 22:50:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:50:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 22:50:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 22:50:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-06 22:50:33,939 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:50:33,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:50:35,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:51:31,533 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:51:31,585 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:51:31,585 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-12-06 22:51:31,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:51:31 BoogieIcfgContainer [2021-12-06 22:51:31,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:51:31,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:51:31,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:51:31,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:51:31,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:50:19" (1/3) ... [2021-12-06 22:51:31,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b68cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:51:31, skipping insertion in model container [2021-12-06 22:51:31,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:50:30" (2/3) ... [2021-12-06 22:51:31,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b68cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:51:31, skipping insertion in model container [2021-12-06 22:51:31,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:51:31" (3/3) ... [2021-12-06 22:51:31,605 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-12-06 22:51:31,610 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:51:31,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-06 22:51:31,691 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:51:31,699 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 [2021-12-06 22:51:31,699 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 22:51:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 8086 states, 5660 states have (on average 1.351766784452297) internal successors, (7651), 5767 states have internal predecessors, (7651), 2174 states have call successors, (2174), 252 states have call predecessors, (2174), 251 states have return successors, (2170), 2157 states have call predecessors, (2170), 2170 states have call successors, (2170) [2021-12-06 22:51:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-06 22:51:31,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:31,887 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:51:31,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:31,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:31,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1468605192, now seen corresponding path program 1 times [2021-12-06 22:51:31,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:31,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125361784] [2021-12-06 22:51:31,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:31,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:51:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:51:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:51:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:51:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:51:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:51:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:51:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:51:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:51:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:51:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:51:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:51:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:51:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:51:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 22:51:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:51:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-06 22:51:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:51:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:51:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 22:51:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-06 22:51:33,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:33,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125361784] [2021-12-06 22:51:33,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125361784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:51:33,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:51:33,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:51:33,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978745149] [2021-12-06 22:51:33,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:51:33,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:51:33,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:33,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:51:33,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:51:33,723 INFO L87 Difference]: Start difference. First operand has 8086 states, 5660 states have (on average 1.351766784452297) internal successors, (7651), 5767 states have internal predecessors, (7651), 2174 states have call successors, (2174), 252 states have call predecessors, (2174), 251 states have return successors, (2170), 2157 states have call predecessors, (2170), 2170 states have call successors, (2170) Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:51:43,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:51,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:53,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:54,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:51:54,172 INFO L93 Difference]: Finished difference Result 16600 states and 24849 transitions. [2021-12-06 22:51:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:51:54,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2021-12-06 22:51:54,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:51:54,270 INFO L225 Difference]: With dead ends: 16600 [2021-12-06 22:51:54,271 INFO L226 Difference]: Without dead ends: 8457 [2021-12-06 22:51:54,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:51:54,359 INFO L933 BasicCegarLoop]: 11552 mSDtfsCounter, 1816 mSDsluCounter, 16647 mSDsCounter, 0 mSdLazyCounter, 4025 mSolverCounterSat, 2313 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 28199 SdHoareTripleChecker+Invalid, 6341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2313 IncrementalHoareTripleChecker+Valid, 4025 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:51:54,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 28199 Invalid, 6341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2313 Valid, 4025 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2021-12-06 22:51:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8457 states. [2021-12-06 22:51:54,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8457 to 7971. [2021-12-06 22:51:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7971 states, 5584 states have (on average 1.3472421203438396) internal successors, (7523), 5685 states have internal predecessors, (7523), 2135 states have call successors, (2135), 250 states have call predecessors, (2135), 250 states have return successors, (2135), 2122 states have call predecessors, (2135), 2135 states have call successors, (2135) [2021-12-06 22:51:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7971 states to 7971 states and 11793 transitions. [2021-12-06 22:51:55,067 INFO L78 Accepts]: Start accepts. Automaton has 7971 states and 11793 transitions. Word has length 190 [2021-12-06 22:51:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:51:55,069 INFO L470 AbstractCegarLoop]: Abstraction has 7971 states and 11793 transitions. [2021-12-06 22:51:55,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:51:55,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7971 states and 11793 transitions. [2021-12-06 22:51:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-06 22:51:55,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:55,076 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:51:55,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:51:55,077 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:55,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:55,077 INFO L85 PathProgramCache]: Analyzing trace with hash 987524934, now seen corresponding path program 1 times [2021-12-06 22:51:55,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:55,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881270462] [2021-12-06 22:51:55,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:55,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:51:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:51:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:51:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:51:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:51:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:51:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:51:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:51:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:51:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:51:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:51:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:51:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:51:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:51:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 22:51:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:51:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-06 22:51:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:51:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:51:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 22:51:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-06 22:51:56,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:56,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881270462] [2021-12-06 22:51:56,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881270462] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:51:56,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:51:56,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:51:56,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183838865] [2021-12-06 22:51:56,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:51:56,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:51:56,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:56,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:51:56,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:51:56,590 INFO L87 Difference]: Start difference. First operand 7971 states and 11793 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 22:52:12,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:26,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:29,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:31,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:34,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:36,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:42,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:44,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:46,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:49,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:51,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:00,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:05,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:07,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:09,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:11,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:14,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:16,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:18,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:22,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:29,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:54:29,988 INFO L93 Difference]: Finished difference Result 45870 states and 69012 transitions. [2021-12-06 22:54:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 22:54:29,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 190 [2021-12-06 22:54:29,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:54:30,209 INFO L225 Difference]: With dead ends: 45870 [2021-12-06 22:54:30,210 INFO L226 Difference]: Without dead ends: 37916 [2021-12-06 22:54:30,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:54:30,257 INFO L933 BasicCegarLoop]: 32078 mSDtfsCounter, 40314 mSDsluCounter, 84003 mSDsCounter, 0 mSdLazyCounter, 56884 mSolverCounterSat, 12112 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44710 SdHoareTripleChecker+Valid, 116081 SdHoareTripleChecker+Invalid, 69017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 12112 IncrementalHoareTripleChecker+Valid, 56884 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:54:30,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44710 Valid, 116081 Invalid, 69017 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [12112 Valid, 56884 Invalid, 21 Unknown, 0 Unchecked, 150.4s Time] [2021-12-06 22:54:30,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37916 states. [2021-12-06 22:54:32,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37916 to 36096. [2021-12-06 22:54:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36096 states, 25522 states have (on average 1.3551445811456782) internal successors, (34586), 26003 states have internal predecessors, (34586), 9559 states have call successors, (9559), 999 states have call predecessors, (9559), 1013 states have return successors, (9728), 9492 states have call predecessors, (9728), 9559 states have call successors, (9728) [2021-12-06 22:54:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36096 states to 36096 states and 53873 transitions. [2021-12-06 22:54:32,941 INFO L78 Accepts]: Start accepts. Automaton has 36096 states and 53873 transitions. Word has length 190 [2021-12-06 22:54:32,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:54:32,942 INFO L470 AbstractCegarLoop]: Abstraction has 36096 states and 53873 transitions. [2021-12-06 22:54:32,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 22:54:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 36096 states and 53873 transitions. [2021-12-06 22:54:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-06 22:54:32,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:54:32,946 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:54:32,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:54:32,946 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:54:32,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:54:32,947 INFO L85 PathProgramCache]: Analyzing trace with hash -512382515, now seen corresponding path program 1 times [2021-12-06 22:54:32,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:54:32,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874410203] [2021-12-06 22:54:32,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:54:32,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:54:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:54:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:54:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:54:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:54:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:54:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:54:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:54:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:54:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:54:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:54:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:54:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:54:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:54:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:54:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:54:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:54:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:54:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:54:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:54:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:54:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:54:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:54:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 22:54:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:54:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-06 22:54:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:54:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:54:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:54:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 22:54:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-06 22:54:34,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:54:34,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874410203] [2021-12-06 22:54:34,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874410203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:54:34,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:54:34,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:54:34,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542265594] [2021-12-06 22:54:34,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:54:34,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:54:34,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:54:34,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:54:34,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:54:34,124 INFO L87 Difference]: Start difference. First operand 36096 states and 53873 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 22:54:49,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:04,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:07,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:10,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:12,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:18,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:20,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:23,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:25,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:27,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:55:29,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:39,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:44,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:46,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:49,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:51,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:53,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:56,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:00,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:08,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:10,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:12,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:14,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:16,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:17,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:17,589 INFO L93 Difference]: Finished difference Result 128914 states and 194788 transitions. [2021-12-06 22:57:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 22:57:17,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 191 [2021-12-06 22:57:17,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:17,972 INFO L225 Difference]: With dead ends: 128914 [2021-12-06 22:57:17,972 INFO L226 Difference]: Without dead ends: 92835 [2021-12-06 22:57:18,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:57:18,120 INFO L933 BasicCegarLoop]: 32232 mSDtfsCounter, 39885 mSDsluCounter, 84251 mSDsCounter, 0 mSdLazyCounter, 57325 mSolverCounterSat, 11772 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44288 SdHoareTripleChecker+Valid, 116483 SdHoareTripleChecker+Invalid, 69121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 11772 IncrementalHoareTripleChecker+Valid, 57325 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:18,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44288 Valid, 116483 Invalid, 69121 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [11772 Valid, 57325 Invalid, 24 Unknown, 0 Unchecked, 159.0s Time] [2021-12-06 22:57:18,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92835 states. [2021-12-06 22:57:22,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92835 to 88982. [2021-12-06 22:57:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88982 states, 63270 states have (on average 1.3601232811759127) internal successors, (86055), 64504 states have internal predecessors, (86055), 23389 states have call successors, (23389), 2268 states have call predecessors, (23389), 2321 states have return successors, (24320), 23208 states have call predecessors, (24320), 23389 states have call successors, (24320) [2021-12-06 22:57:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88982 states to 88982 states and 133764 transitions. [2021-12-06 22:57:23,230 INFO L78 Accepts]: Start accepts. Automaton has 88982 states and 133764 transitions. Word has length 191 [2021-12-06 22:57:23,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:23,231 INFO L470 AbstractCegarLoop]: Abstraction has 88982 states and 133764 transitions. [2021-12-06 22:57:23,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 22:57:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 88982 states and 133764 transitions. [2021-12-06 22:57:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-06 22:57:23,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:23,234 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:57:23,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:57:23,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:23,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:23,234 INFO L85 PathProgramCache]: Analyzing trace with hash 349643426, now seen corresponding path program 1 times [2021-12-06 22:57:23,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:23,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885206576] [2021-12-06 22:57:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:23,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:57:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:57:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:57:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:57:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:57:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:57:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:57:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:57:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:57:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:57:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:57:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:57:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:57:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:57:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:57:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 22:57:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:57:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-06 22:57:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:57:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:57:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 22:57:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-06 22:57:24,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:24,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885206576] [2021-12-06 22:57:24,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885206576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:24,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:24,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:57:24,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230843753] [2021-12-06 22:57:24,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:24,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:57:24,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:24,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:57:24,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:57:24,297 INFO L87 Difference]: Start difference. First operand 88982 states and 133764 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 22:57:39,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:54,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:57,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:00,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:02,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:04,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:07,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:09,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:15,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:17,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:19,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:22,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:24,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:34,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:37,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:42,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:44,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:46,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:48,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:51,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:53,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:55,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:57,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:59,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:02,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:04,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:06,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:08,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:13,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:21,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:23,475 INFO L93 Difference]: Finished difference Result 267798 states and 406385 transitions. [2021-12-06 23:00:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 23:00:23,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2021-12-06 23:00:23,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:24,711 INFO L225 Difference]: With dead ends: 267798 [2021-12-06 23:00:24,711 INFO L226 Difference]: Without dead ends: 178833 [2021-12-06 23:00:25,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-12-06 23:00:25,292 INFO L933 BasicCegarLoop]: 32148 mSDtfsCounter, 39170 mSDsluCounter, 87006 mSDsCounter, 0 mSdLazyCounter, 57697 mSolverCounterSat, 11213 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 151.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43592 SdHoareTripleChecker+Valid, 119154 SdHoareTripleChecker+Invalid, 68940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 11213 IncrementalHoareTripleChecker+Valid, 57697 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:25,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43592 Valid, 119154 Invalid, 68940 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [11213 Valid, 57697 Invalid, 30 Unknown, 0 Unchecked, 171.3s Time] [2021-12-06 23:00:25,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178833 states. [2021-12-06 23:00:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178833 to 171848. [2021-12-06 23:00:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171848 states, 122375 states have (on average 1.3614708886618998) internal successors, (166610), 124774 states have internal predecessors, (166610), 45115 states have call successors, (45115), 4264 states have call predecessors, (45115), 4356 states have return successors, (47446), 44741 states have call predecessors, (47446), 45115 states have call successors, (47446) [2021-12-06 23:00:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171848 states to 171848 states and 259171 transitions. [2021-12-06 23:00:36,052 INFO L78 Accepts]: Start accepts. Automaton has 171848 states and 259171 transitions. Word has length 192 [2021-12-06 23:00:36,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:36,053 INFO L470 AbstractCegarLoop]: Abstraction has 171848 states and 259171 transitions. [2021-12-06 23:00:36,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 23:00:36,053 INFO L276 IsEmpty]: Start isEmpty. Operand 171848 states and 259171 transitions. [2021-12-06 23:00:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-06 23:00:36,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:36,055 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:36,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:00:36,055 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:36,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:36,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1417160425, now seen corresponding path program 1 times [2021-12-06 23:00:36,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:00:36,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90675189] [2021-12-06 23:00:36,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:36,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:00:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 23:00:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:00:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:00:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:00:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:00:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:00:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 23:00:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:00:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:00:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:00:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 23:00:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:00:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:00:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:00:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 23:00:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 23:00:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:00:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 23:00:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:00:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 23:00:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 23:00:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 23:00:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 23:00:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 23:00:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-06 23:00:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 23:00:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:00:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 23:00:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 23:00:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-06 23:00:36,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:00:36,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90675189] [2021-12-06 23:00:36,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90675189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:36,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:36,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:00:36,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025066603] [2021-12-06 23:00:36,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:36,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:00:36,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:00:36,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:00:36,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:00:36,772 INFO L87 Difference]: Start difference. First operand 171848 states and 259171 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-06 23:00:53,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:10,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:13,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:15,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:17,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:19,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:22,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:29,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:31,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:33,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:36,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:38,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:02:58,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:00,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:06,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:08,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:10,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:12,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:15,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:17,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []