./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.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_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/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_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/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_b1ca368a-d6da-47a1-b949-abff46ebe641/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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- 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 10:25:37,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:25:37,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:25:37,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:25:37,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:25:37,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:25:37,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:25:37,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:25:37,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:25:37,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:25:37,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:25:37,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:25:37,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:25:37,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:25:37,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:25:37,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:25:37,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:25:37,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:25:37,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:25:37,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:25:37,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:25:37,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:25:37,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:25:37,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:25:37,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:25:37,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:25:37,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:25:37,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:25:37,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:25:37,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:25:37,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:25:37,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:25:37,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:25:37,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:25:37,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:25:37,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:25:37,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:25:37,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:25:37,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:25:37,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:25:37,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:25:37,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:25:37,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:25:37,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:25:37,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:25:37,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:25:37,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:25:37,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:25:37,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:25:37,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:25:37,366 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:25:37,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:25:37,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:25:37,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:25:37,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:25:37,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:25:37,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:25:37,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:25:37,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:25:37,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:25:37,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:25:37,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:25:37,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:25:37,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:25:37,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:25:37,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:25:37,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:25:37,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:25:37,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:25:37,372 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:25:37,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:25:37,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:25:37,373 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_b1ca368a-d6da-47a1-b949-abff46ebe641/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2022-10-17 10:25:37,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:25:37,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:25:37,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:25:37,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:25:37,698 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:25:37,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-10-17 10:25:37,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/data/787f88153/9689719ec0f747168f1408b5dc8084d0/FLAG3e33d99d9 [2022-10-17 10:25:38,742 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:25:38,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-10-17 10:25:38,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/data/787f88153/9689719ec0f747168f1408b5dc8084d0/FLAG3e33d99d9 [2022-10-17 10:25:39,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/data/787f88153/9689719ec0f747168f1408b5dc8084d0 [2022-10-17 10:25:39,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:25:39,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:25:39,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:25:39,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:25:39,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:25:39,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:25:39" (1/1) ... [2022-10-17 10:25:39,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ba3ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:39, skipping insertion in model container [2022-10-17 10:25:39,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:25:39" (1/1) ... [2022-10-17 10:25:39,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:25:39,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:25:42,850 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_b1ca368a-d6da-47a1-b949-abff46ebe641/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-10-17 10:25:42,853 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_b1ca368a-d6da-47a1-b949-abff46ebe641/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-10-17 10:25:42,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:25:42,931 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:25:43,847 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_b1ca368a-d6da-47a1-b949-abff46ebe641/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-10-17 10:25:43,848 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_b1ca368a-d6da-47a1-b949-abff46ebe641/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-10-17 10:25:43,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:25:44,129 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:25:44,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44 WrapperNode [2022-10-17 10:25:44,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:25:44,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:25:44,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:25:44,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:25:44,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,473 INFO L138 Inliner]: procedures = 493, calls = 2689, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5206 [2022-10-17 10:25:44,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:25:44,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:25:44,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:25:44,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:25:44,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:25:44,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:25:44,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:25:44,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:25:44,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (1/1) ... [2022-10-17 10:25:44,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:25:44,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:25:44,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:25:44,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ca368a-d6da-47a1-b949-abff46ebe641/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:25:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-10-17 10:25:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-10-17 10:25:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:25:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:25:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-10-17 10:25:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-10-17 10:25:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:25:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:25:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-10-17 10:25:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-10-17 10:25:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-10-17 10:25:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-10-17 10:25:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:25:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:25:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 10:25:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 10:25:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:25:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:25:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-10-17 10:25:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-10-17 10:25:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-10-17 10:25:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-10-17 10:25:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-10-17 10:25:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-10-17 10:25:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-10-17 10:25:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-10-17 10:25:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-10-17 10:25:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-10-17 10:25:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:25:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:25:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-10-17 10:25:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-10-17 10:25:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-10-17 10:25:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-10-17 10:25:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-10-17 10:25:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-10-17 10:25:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-10-17 10:25:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-10-17 10:25:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-10-17 10:25:44,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-10-17 10:25:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:25:44,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:25:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:25:44,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:25:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-10-17 10:25:44,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-10-17 10:25:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-10-17 10:25:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-10-17 10:25:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:25:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:25:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:25:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:25:44,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:25:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:25:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 10:25:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 10:25:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-10-17 10:25:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-10-17 10:25:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-10-17 10:25:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-10-17 10:25:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:25:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:25:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:25:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-10-17 10:25:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-10-17 10:25:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:25:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-17 10:25:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-17 10:25:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-17 10:25:45,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-17 10:25:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:25:45,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:25:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-10-17 10:25:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-10-17 10:25:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:25:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:25:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:25:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:25:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:25:45,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:25:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-10-17 10:25:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-10-17 10:25:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-10-17 10:25:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-10-17 10:25:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:25:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:25:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 10:25:45,006 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 10:25:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-10-17 10:25:45,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-10-17 10:25:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-10-17 10:25:45,007 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-10-17 10:25:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-10-17 10:25:45,007 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-10-17 10:25:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-10-17 10:25:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-10-17 10:25:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:25:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:25:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:25:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 10:25:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 10:25:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:25:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:25:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:25:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:25:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:25:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-10-17 10:25:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-10-17 10:25:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:25:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-10-17 10:25:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-10-17 10:25:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:25:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:25:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 10:25:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 10:25:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:25:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:25:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:25:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:25:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:25:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:25:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-10-17 10:25:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-10-17 10:25:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:25:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:25:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-10-17 10:25:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-10-17 10:25:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:25:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:25:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:25:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:25:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-10-17 10:25:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-10-17 10:25:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-10-17 10:25:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-10-17 10:25:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-10-17 10:25:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-10-17 10:25:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-10-17 10:25:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-10-17 10:25:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-17 10:25:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-17 10:25:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:25:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:25:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-10-17 10:25:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-10-17 10:25:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:25:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:25:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:25:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:25:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-10-17 10:25:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-10-17 10:25:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:25:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:25:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-10-17 10:25:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-10-17 10:25:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-10-17 10:25:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-10-17 10:25:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-10-17 10:25:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-10-17 10:25:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:25:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:25:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-10-17 10:25:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-10-17 10:25:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-10-17 10:25:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-10-17 10:25:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:25:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:25:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-10-17 10:25:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-10-17 10:25:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-10-17 10:25:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-10-17 10:25:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-10-17 10:25:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-10-17 10:25:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:25:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:25:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:25:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-10-17 10:25:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-10-17 10:25:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-10-17 10:25:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-10-17 10:25:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:25:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:25:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:25:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-10-17 10:25:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-10-17 10:25:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:25:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 10:25:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 10:25:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-10-17 10:25:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-10-17 10:25:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-10-17 10:25:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-10-17 10:25:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:25:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:25:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-10-17 10:25:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-10-17 10:25:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-10-17 10:25:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-10-17 10:25:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:25:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:25:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-17 10:25:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-17 10:25:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-10-17 10:25:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-10-17 10:25:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-10-17 10:25:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-10-17 10:25:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:25:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:25:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:25:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:25:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:25:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:25:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-10-17 10:25:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-10-17 10:25:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-10-17 10:25:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-10-17 10:25:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:25:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:25:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-10-17 10:25:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-10-17 10:25:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:25:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 10:25:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 10:25:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:25:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:25:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-10-17 10:25:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-10-17 10:25:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-10-17 10:25:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-10-17 10:25:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-10-17 10:25:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-10-17 10:25:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-10-17 10:25:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-10-17 10:25:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 10:25:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 10:25:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-10-17 10:25:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-10-17 10:25:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-10-17 10:25:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-10-17 10:25:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:25:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:25:45,037 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-10-17 10:25:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-10-17 10:25:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-10-17 10:25:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-10-17 10:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-17 10:25:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-17 10:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:25:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 10:25:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 10:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:25:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:25:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-10-17 10:25:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-10-17 10:25:45,907 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:25:45,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:25:46,509 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:25:48,381 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1262#1.base, #t~mem1262#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-10-17 10:25:48,381 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1262#1.base, #t~mem1262#1.offset, 129, 0); srcloc: null [2022-10-17 10:25:48,382 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1262#1.base, #t~mem1262#1.offset; [2022-10-17 10:25:52,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:25:52,609 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:25:52,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:25:52,635 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:25:52,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:25:52 BoogieIcfgContainer [2022-10-17 10:25:52,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:25:52,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:25:52,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:25:52,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:25:52,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:25:39" (1/3) ... [2022-10-17 10:25:52,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7629dcd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:25:52, skipping insertion in model container [2022-10-17 10:25:52,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:44" (2/3) ... [2022-10-17 10:25:52,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7629dcd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:25:52, skipping insertion in model container [2022-10-17 10:25:52,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:25:52" (3/3) ... [2022-10-17 10:25:52,651 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-10-17 10:25:52,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:25:52,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:25:52,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:25:52,813 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;@73017b5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:25:52,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:25:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 2585 states, 1688 states have (on average 1.3122037914691944) internal successors, (2215), 1756 states have internal predecessors, (2215), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) [2022-10-17 10:25:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-17 10:25:52,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:25:52,888 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:25:52,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:25:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:25:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1207370153, now seen corresponding path program 1 times [2022-10-17 10:25:52,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:25:52,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468265638] [2022-10-17 10:25:52,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:25:52,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:25:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:25:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:25:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:25:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:25:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:25:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:25:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:25:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:25:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:25:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:25:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:25:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:25:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:25:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:25:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:25:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-17 10:25:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-17 10:25:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-17 10:25:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-10-17 10:25:54,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:25:54,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468265638] [2022-10-17 10:25:54,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468265638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:25:54,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:25:54,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:25:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176291543] [2022-10-17 10:25:54,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:25:54,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:25:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:25:54,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:25:54,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:25:54,521 INFO L87 Difference]: Start difference. First operand has 2585 states, 1688 states have (on average 1.3122037914691944) internal successors, (2215), 1756 states have internal predecessors, (2215), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 10:26:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:02,795 INFO L93 Difference]: Finished difference Result 7613 states and 11233 transitions. [2022-10-17 10:26:02,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:26:02,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 215 [2022-10-17 10:26:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:02,872 INFO L225 Difference]: With dead ends: 7613 [2022-10-17 10:26:02,872 INFO L226 Difference]: Without dead ends: 4995 [2022-10-17 10:26:02,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 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 10:26:02,902 INFO L413 NwaCegarLoop]: 3802 mSDtfsCounter, 4340 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 3611 mSolverCounterSat, 2632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5037 SdHoareTripleChecker+Valid, 6737 SdHoareTripleChecker+Invalid, 6243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2632 IncrementalHoareTripleChecker+Valid, 3611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-17 10:26:02,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5037 Valid, 6737 Invalid, 6243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2632 Valid, 3611 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-10-17 10:26:02,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4995 states. [2022-10-17 10:26:03,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4995 to 4815. [2022-10-17 10:26:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4815 states, 3174 states have (on average 1.294580970384373) internal successors, (4109), 3305 states have internal predecessors, (4109), 1413 states have call successors, (1413), 227 states have call predecessors, (1413), 227 states have return successors, (1413), 1327 states have call predecessors, (1413), 1413 states have call successors, (1413) [2022-10-17 10:26:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 4815 states and 6935 transitions. [2022-10-17 10:26:03,429 INFO L78 Accepts]: Start accepts. Automaton has 4815 states and 6935 transitions. Word has length 215 [2022-10-17 10:26:03,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:03,430 INFO L495 AbstractCegarLoop]: Abstraction has 4815 states and 6935 transitions. [2022-10-17 10:26:03,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 10:26:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 6935 transitions. [2022-10-17 10:26:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-10-17 10:26:03,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:03,461 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:03,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:26:03,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:03,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:03,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1819216629, now seen corresponding path program 1 times [2022-10-17 10:26:03,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:03,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088350980] [2022-10-17 10:26:03,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:03,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:26:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:26:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:26:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:26:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:26:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:26:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:26:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:26:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:26:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:26:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:26:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:26:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:26:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:26:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:26:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-17 10:26:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-17 10:26:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-17 10:26:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:26:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-17 10:26:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:26:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:26:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-17 10:26:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:26:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:26:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-17 10:26:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-10-17 10:26:04,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:04,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088350980] [2022-10-17 10:26:04,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088350980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:04,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:04,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:26:04,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434705048] [2022-10-17 10:26:04,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:04,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:26:04,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:04,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:26:04,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:26:04,428 INFO L87 Difference]: Start difference. First operand 4815 states and 6935 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30)