./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.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_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/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_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/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_44c3701b-aba1-4e0a-82b6-8892017a5757/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 e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- 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 10:15:04,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:15:04,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:15:04,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:15:04,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:15:04,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:15:04,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:15:04,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:15:04,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:15:04,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:15:04,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:15:04,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:15:04,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:15:04,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:15:04,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:15:04,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:15:04,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:15:04,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:15:04,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:15:04,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:15:04,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:15:04,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:15:04,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:15:04,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:15:04,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:15:04,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:15:04,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:15:04,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:15:04,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:15:04,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:15:04,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:15:04,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:15:04,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:15:04,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:15:04,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:15:04,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:15:04,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:15:04,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:15:04,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:15:04,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:15:04,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:15:04,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:15:04,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:15:04,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:15:04,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:15:04,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:15:04,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:15:04,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:15:04,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:15:04,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:15:04,203 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:15:04,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:15:04,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:15:04,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:15:04,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:15:04,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:15:04,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:15:04,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:15:04,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:15:04,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:15:04,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:15:04,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:15:04,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:15:04,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:15:04,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:15:04,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:15:04,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:15:04,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:15:04,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:15:04,208 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:15:04,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:15:04,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:15:04,210 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_44c3701b-aba1-4e0a-82b6-8892017a5757/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2022-10-17 10:15:04,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:15:04,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:15:04,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:15:04,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:15:04,562 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:15:04,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-10-17 10:15:04,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/data/04b6f8c5e/606cc84bf9e147c798d0cd286eb84efd/FLAGe587a411e [2022-10-17 10:15:05,603 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:15:05,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-10-17 10:15:05,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/data/04b6f8c5e/606cc84bf9e147c798d0cd286eb84efd/FLAGe587a411e [2022-10-17 10:15:05,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/data/04b6f8c5e/606cc84bf9e147c798d0cd286eb84efd [2022-10-17 10:15:05,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:15:05,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:15:05,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:05,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:15:06,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:15:06,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:05" (1/1) ... [2022-10-17 10:15:06,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e3ffbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:06, skipping insertion in model container [2022-10-17 10:15:06,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:05" (1/1) ... [2022-10-17 10:15:06,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:15:06,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:15:09,355 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_44c3701b-aba1-4e0a-82b6-8892017a5757/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2022-10-17 10:15:09,359 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_44c3701b-aba1-4e0a-82b6-8892017a5757/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2022-10-17 10:15:09,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:15:09,421 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:15:09,916 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_44c3701b-aba1-4e0a-82b6-8892017a5757/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2022-10-17 10:15:09,916 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_44c3701b-aba1-4e0a-82b6-8892017a5757/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2022-10-17 10:15:09,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:15:10,207 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:15:10,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10 WrapperNode [2022-10-17 10:15:10,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:10,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:15:10,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:15:10,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:15:10,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,726 INFO L138 Inliner]: procedures = 430, calls = 2141, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5063 [2022-10-17 10:15:10,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:15:10,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:15:10,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:15:10,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:15:10,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:10,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:11,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:11,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:11,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:15:11,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:15:11,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:15:11,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:15:11,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (1/1) ... [2022-10-17 10:15:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:15:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:15:11,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:15:11,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3701b-aba1-4e0a-82b6-8892017a5757/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:15:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 10:15:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-10-17 10:15:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-10-17 10:15:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-17 10:15:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-17 10:15:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:15:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:15:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:15:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:15:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-10-17 10:15:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-10-17 10:15:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-10-17 10:15:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-10-17 10:15:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-10-17 10:15:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-10-17 10:15:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:15:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:15:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-10-17 10:15:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-10-17 10:15:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:15:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:15:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:15:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:15:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-10-17 10:15:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-10-17 10:15:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-10-17 10:15:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-10-17 10:15:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:15:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:15:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-10-17 10:15:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-10-17 10:15:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-17 10:15:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-17 10:15:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-10-17 10:15:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-10-17 10:15:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-10-17 10:15:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-10-17 10:15:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-10-17 10:15:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-10-17 10:15:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:15:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:15:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:15:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:15:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:15:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:15:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-10-17 10:15:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-10-17 10:15:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:15:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:15:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:15:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:15:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:15:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:15:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:15:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-10-17 10:15:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-10-17 10:15:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:15:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:15:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:15:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:15:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:15:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:15:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:15:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:15:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:15:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:15:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:15:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-17 10:15:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-17 10:15:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:15:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:15:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:15:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:15:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:15:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:15:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:15:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:15:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-10-17 10:15:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-10-17 10:15:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-10-17 10:15:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-10-17 10:15:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:15:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-10-17 10:15:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-10-17 10:15:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-10-17 10:15:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-10-17 10:15:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:15:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-10-17 10:15:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-10-17 10:15:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:15:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:15:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:15:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:15:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:15:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:15:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:15:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:15:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:15:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:15:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:15:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:15:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:15:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:15:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:15:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-17 10:15:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-10-17 10:15:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:15:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:15:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:15:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:15:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:15:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:15:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:15:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:15:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-10-17 10:15:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-10-17 10:15:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:15:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:15:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-10-17 10:15:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-10-17 10:15:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-17 10:15:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-17 10:15:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:15:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-10-17 10:15:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-10-17 10:15:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:15:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:15:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:15:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-17 10:15:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-17 10:15:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-17 10:15:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-17 10:15:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:15:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:15:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:15:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:15:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:15:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:15:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-17 10:15:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-17 10:15:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-17 10:15:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-10-17 10:15:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-10-17 10:15:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-10-17 10:15:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:15:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:15:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:15:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:15:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-10-17 10:15:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-10-17 10:15:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:15:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:15:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:15:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-10-17 10:15:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-10-17 10:15:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:15:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:15:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:15:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:15:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:15:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:15:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-10-17 10:15:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-10-17 10:15:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-10-17 10:15:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-10-17 10:15:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:15:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:15:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:15:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:15:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-10-17 10:15:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-10-17 10:15:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:15:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:15:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:15:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 10:15:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 10:15:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:15:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:15:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-17 10:15:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-17 10:15:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-10-17 10:15:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-10-17 10:15:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:15:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:15:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:15:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-10-17 10:15:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-10-17 10:15:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:15:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:15:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-10-17 10:15:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-10-17 10:15:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-10-17 10:15:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-10-17 10:15:12,353 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:15:12,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:15:13,266 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:15:19,356 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:15:19,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:15:19,387 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:15:19,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:19 BoogieIcfgContainer [2022-10-17 10:15:19,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:15:19,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:15:19,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:15:19,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:15:19,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:15:05" (1/3) ... [2022-10-17 10:15:19,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5859c9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:15:19, skipping insertion in model container [2022-10-17 10:15:19,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:10" (2/3) ... [2022-10-17 10:15:19,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5859c9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:15:19, skipping insertion in model container [2022-10-17 10:15:19,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:15:19" (3/3) ... [2022-10-17 10:15:19,406 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-10-17 10:15:19,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:15:19,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:15:19,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:15:19,581 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;@fde3b0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:15:19,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:15:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 1964 states, 1342 states have (on average 1.3487332339791356) internal successors, (1810), 1389 states have internal predecessors, (1810), 533 states have call successors, (533), 88 states have call predecessors, (533), 87 states have return successors, (529), 515 states have call predecessors, (529), 529 states have call successors, (529) [2022-10-17 10:15:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 10:15:19,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:15:19,631 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-17 10:15:19,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:15:19,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:19,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1416901098, now seen corresponding path program 1 times [2022-10-17 10:15:19,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:19,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186832785] [2022-10-17 10:15:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-17 10:15:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:15:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:15:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:15:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:15:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:15:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:15:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:15:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:15:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:15:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-17 10:15:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-17 10:15:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-17 10:15:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:15:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 10:15:20,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:15:20,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186832785] [2022-10-17 10:15:20,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186832785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:15:20,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:15:20,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:15:20,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868275290] [2022-10-17 10:15:20,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:15:20,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:15:20,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:15:20,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:15:20,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:15:20,930 INFO L87 Difference]: Start difference. First operand has 1964 states, 1342 states have (on average 1.3487332339791356) internal successors, (1810), 1389 states have internal predecessors, (1810), 533 states have call successors, (533), 88 states have call predecessors, (533), 87 states have return successors, (529), 515 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-17 10:15:26,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:15:26,461 INFO L93 Difference]: Finished difference Result 4023 states and 6010 transitions. [2022-10-17 10:15:26,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:15:26,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2022-10-17 10:15:26,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:15:26,595 INFO L225 Difference]: With dead ends: 4023 [2022-10-17 10:15:26,595 INFO L226 Difference]: Without dead ends: 1934 [2022-10-17 10:15:26,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:15:26,645 INFO L413 NwaCegarLoop]: 2465 mSDtfsCounter, 1255 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 1464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 4286 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1464 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:15:26,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 4286 Invalid, 3066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1464 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-17 10:15:26,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-10-17 10:15:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-10-17 10:15:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2826086956521738) internal successors, (1593), 1286 states have internal predecessors, (1593), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-10-17 10:15:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2554 transitions. [2022-10-17 10:15:26,888 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2554 transitions. Word has length 120 [2022-10-17 10:15:26,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:15:26,889 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2554 transitions. [2022-10-17 10:15:26,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-17 10:15:26,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2554 transitions. [2022-10-17 10:15:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-17 10:15:26,895 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:15:26,896 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-17 10:15:26,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:15:26,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:15:26,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:15:26,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1833459386, now seen corresponding path program 1 times [2022-10-17 10:15:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:15:26,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436784507] [2022-10-17 10:15:26,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:15:26,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:15:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-17 10:15:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:15:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:15:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:15:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:15:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:15:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:15:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:15:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:15:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:15:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:15:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-17 10:15:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-17 10:15:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-17 10:15:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:15:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:15:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 10:15:27,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:15:27,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436784507] [2022-10-17 10:15:27,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436784507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:15:27,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:15:27,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:15:27,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862611205] [2022-10-17 10:15:27,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:15:27,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:15:27,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:15:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:15:27,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:15:27,815 INFO L87 Difference]: Start difference. First operand 1809 states and 2554 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)