./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ --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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:29:55,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:29:55,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:29:56,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:29:56,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:29:56,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:29:56,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:29:56,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:29:56,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:29:56,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:29:56,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:29:56,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:29:56,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:29:56,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:29:56,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:29:56,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:29:56,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:29:56,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:29:56,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:29:56,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:29:56,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:29:56,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:29:56,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:29:56,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:29:56,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:29:56,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:29:56,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:29:56,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:29:56,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:29:56,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:29:56,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:29:56,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:29:56,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:29:56,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:29:56,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:29:56,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:29:56,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:29:56,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:29:56,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:29:56,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:29:56,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:29:56,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:29:56,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:29:56,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:29:56,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:29:56,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:29:56,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:29:56,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:29:56,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:29:56,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:29:56,185 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:29:56,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:29:56,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:29:56,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:29:56,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:29:56,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:29:56,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:29:56,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:29:56,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:29:56,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:29:56,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:29:56,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:29:56,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:29:56,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:29:56,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:29:56,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:29:56,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:29:56,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:29:56,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:29:56,193 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:29:56,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:29:56,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:29:56,194 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_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2022-10-17 10:29:56,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:29:56,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:29:56,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:29:56,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:29:56,564 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:29:56,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-10-17 10:29:56,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/data/25ff3b876/ff3c94e3b7484926928c08895c876f1b/FLAG9f4e16f32 [2022-10-17 10:29:57,841 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:29:57,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-10-17 10:29:57,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/data/25ff3b876/ff3c94e3b7484926928c08895c876f1b/FLAG9f4e16f32 [2022-10-17 10:29:58,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/data/25ff3b876/ff3c94e3b7484926928c08895c876f1b [2022-10-17 10:29:58,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:29:58,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:29:58,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:29:58,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:29:58,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:29:58,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:29:58" (1/1) ... [2022-10-17 10:29:58,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5faecafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:58, skipping insertion in model container [2022-10-17 10:29:58,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:29:58" (1/1) ... [2022-10-17 10:29:58,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:29:58,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:03,289 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_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-10-17 10:30:03,293 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_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-10-17 10:30:03,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:03,384 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:03,904 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_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-10-17 10:30:03,905 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_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-10-17 10:30:03,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:04,212 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:04,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04 WrapperNode [2022-10-17 10:30:04,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:04,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:04,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:04,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:04,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,689 INFO L138 Inliner]: procedures = 562, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4548 [2022-10-17 10:30:04,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:04,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:04,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:04,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:04,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:04,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:05,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:05,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:05,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:05,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:05,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:05,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (1/1) ... [2022-10-17 10:30:05,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:05,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:05,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6de2c25-7a72-4d67-b24c-31f0d2f9419c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-10-17 10:30:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-10-17 10:30:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:30:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:30:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-17 10:30:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-17 10:30:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-17 10:30:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-17 10:30:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:30:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:30:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-10-17 10:30:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-10-17 10:30:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-10-17 10:30:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-10-17 10:30:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-17 10:30:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-17 10:30:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-10-17 10:30:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-10-17 10:30:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:30:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:30:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-10-17 10:30:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-10-17 10:30:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-10-17 10:30:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-10-17 10:30:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-10-17 10:30:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-10-17 10:30:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-10-17 10:30:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-10-17 10:30:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-10-17 10:30:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-10-17 10:30:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:30:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:30:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-10-17 10:30:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-10-17 10:30:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-10-17 10:30:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-10-17 10:30:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:30:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:30:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:30:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:30:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:30:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:30:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-10-17 10:30:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-10-17 10:30:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:30:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:30:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-10-17 10:30:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-10-17 10:30:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-10-17 10:30:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-10-17 10:30:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:30:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:30:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-10-17 10:30:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-10-17 10:30:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-10-17 10:30:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-10-17 10:30:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-17 10:30:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-17 10:30:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:30:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:30:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:30:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:30:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:30:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:30:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:30:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:30:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:30:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-10-17 10:30:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-10-17 10:30:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:30:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:30:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:30:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:30:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-10-17 10:30:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-10-17 10:30:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-10-17 10:30:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-10-17 10:30:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-10-17 10:30:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-10-17 10:30:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:30:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:30:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:30:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:30:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:30:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:30:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:30:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:30:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:30:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:30:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:30:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-10-17 10:30:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-10-17 10:30:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:30:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:30:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:30:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:30:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:30:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:30:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:30:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:30:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-10-17 10:30:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-10-17 10:30:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-10-17 10:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-10-17 10:30:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:30:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:30:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:30:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-10-17 10:30:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-10-17 10:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-10-17 10:30:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-10-17 10:30:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-10-17 10:30:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-10-17 10:30:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 10:30:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 10:30:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:30:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:30:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-10-17 10:30:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-10-17 10:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:30:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:30:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-17 10:30:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-17 10:30:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-10-17 10:30:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-10-17 10:30:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 10:30:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 10:30:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-10-17 10:30:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-10-17 10:30:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-10-17 10:30:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-10-17 10:30:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-10-17 10:30:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-10-17 10:30:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:30:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-10-17 10:30:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-10-17 10:30:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-10-17 10:30:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-10-17 10:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-10-17 10:30:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-10-17 10:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 10:30:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 10:30:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-10-17 10:30:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-10-17 10:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-10-17 10:30:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-10-17 10:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:30:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:30:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:30:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:30:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-10-17 10:30:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-10-17 10:30:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-10-17 10:30:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-10-17 10:30:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 10:30:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 10:30:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-10-17 10:30:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-10-17 10:30:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-10-17 10:30:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-10-17 10:30:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-10-17 10:30:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-10-17 10:30:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-10-17 10:30:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-10-17 10:30:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:30:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:30:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:30:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:30:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-10-17 10:30:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-10-17 10:30:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-10-17 10:30:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-10-17 10:30:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:30:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:30:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:30:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:30:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-10-17 10:30:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-10-17 10:30:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:30:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:30:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:30:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:30:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-10-17 10:30:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-10-17 10:30:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-10-17 10:30:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-10-17 10:30:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 10:30:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 10:30:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-10-17 10:30:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-10-17 10:30:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-10-17 10:30:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-10-17 10:30:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-10-17 10:30:05,260 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-10-17 10:30:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:30:05,260 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:30:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-10-17 10:30:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-10-17 10:30:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:30:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:30:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-10-17 10:30:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-10-17 10:30:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-10-17 10:30:05,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-10-17 10:30:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:30:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:30:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:30:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 10:30:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 10:30:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-17 10:30:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-17 10:30:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-10-17 10:30:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-10-17 10:30:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-10-17 10:30:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-10-17 10:30:06,377 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:06,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:06,626 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:30:18,193 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:30:18,413 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:18,443 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:18,443 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:30:18,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:18 BoogieIcfgContainer [2022-10-17 10:30:18,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:18,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:30:18,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:30:18,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:30:18,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:29:58" (1/3) ... [2022-10-17 10:30:18,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737ae8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:18, skipping insertion in model container [2022-10-17 10:30:18,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:04" (2/3) ... [2022-10-17 10:30:18,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737ae8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:18, skipping insertion in model container [2022-10-17 10:30:18,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:18" (3/3) ... [2022-10-17 10:30:18,465 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-10-17 10:30:18,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:30:18,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:30:18,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:30:18,638 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e608b9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:30:18,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:30:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 1647 states, 1110 states have (on average 1.2702702702702702) internal successors, (1410), 1129 states have internal predecessors, (1410), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2022-10-17 10:30:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-10-17 10:30:18,719 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:18,721 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:18,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:18,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:18,738 INFO L85 PathProgramCache]: Analyzing trace with hash 346300880, now seen corresponding path program 1 times [2022-10-17 10:30:18,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:18,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373747709] [2022-10-17 10:30:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:18,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:30:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:30:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:30:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:30:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:30:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:30:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:30:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:30:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:30:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:30:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:30:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:30:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:30:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:30:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:30:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:30:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:30:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:30:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:30:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:30:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-17 10:30:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-17 10:30:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-17 10:30:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:30:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-17 10:30:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-17 10:30:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-17 10:30:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-17 10:30:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-17 10:30:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-17 10:30:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-17 10:30:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:30:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-10-17 10:30:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-10-17 10:30:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-10-17 10:30:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-10-17 10:30:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-17 10:30:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:30:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-10-17 10:30:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-10-17 10:30:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-10-17 10:30:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-10-17 10:30:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-10-17 10:30:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2022-10-17 10:30:21,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:21,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373747709] [2022-10-17 10:30:21,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373747709] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:21,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:21,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:21,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644657626] [2022-10-17 10:30:21,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:21,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:30:21,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:21,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:30:21,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:30:21,713 INFO L87 Difference]: Start difference. First operand has 1647 states, 1110 states have (on average 1.2702702702702702) internal successors, (1410), 1129 states have internal predecessors, (1410), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48)