./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-ethernet-dec-tulip-winbond-840.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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- 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 10:49:27,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:49:27,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:49:27,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:49:27,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:49:27,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:49:27,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:49:27,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:49:27,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:49:27,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:49:27,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:49:27,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:49:27,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:49:27,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:49:27,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:49:27,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:49:27,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:49:27,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:49:27,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:49:27,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:49:27,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:49:27,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:49:27,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:49:27,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:49:27,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:49:27,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:49:27,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:49:27,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:49:27,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:49:27,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:49:27,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:49:27,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:49:27,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:49:27,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:49:27,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:49:27,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:49:27,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:49:27,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:49:27,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:49:27,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:49:27,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:49:27,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:49:27,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:49:27,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:49:27,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:49:27,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:49:27,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:49:27,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:49:27,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:49:27,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:49:27,282 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:49:27,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:49:27,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:49:27,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:49:27,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:49:27,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:49:27,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:49:27,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:49:27,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:49:27,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:49:27,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:49:27,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:49:27,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:49:27,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:49:27,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:49:27,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:49:27,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:49:27,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:49:27,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:49:27,286 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:49:27,286 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:49:27,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:49:27,297 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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2022-10-17 10:49:27,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:49:27,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:49:27,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:49:27,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:49:27,605 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:49:27,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-10-17 10:49:27,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/data/7657cd6a5/9fc43c0a210543aab15de4e02046faee/FLAG56e7630c2 [2022-10-17 10:49:28,571 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:49:28,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-10-17 10:49:28,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/data/7657cd6a5/9fc43c0a210543aab15de4e02046faee/FLAG56e7630c2 [2022-10-17 10:49:28,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/data/7657cd6a5/9fc43c0a210543aab15de4e02046faee [2022-10-17 10:49:28,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:49:28,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:49:29,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:49:29,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:49:29,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:49:29,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:49:28" (1/1) ... [2022-10-17 10:49:29,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fabc72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:29, skipping insertion in model container [2022-10-17 10:49:29,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:49:28" (1/1) ... [2022-10-17 10:49:29,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:49:29,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:49:32,046 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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2022-10-17 10:49:32,049 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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2022-10-17 10:49:32,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:49:32,145 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:49:32,560 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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2022-10-17 10:49:32,560 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_01ce56af-90cc-44e6-bcbc-6c975b095ec6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2022-10-17 10:49:32,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:49:32,835 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:49:32,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32 WrapperNode [2022-10-17 10:49:32,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:49:32,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:49:32,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:49:32,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:49:32,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:32,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,206 INFO L138 Inliner]: procedures = 434, calls = 2036, calls flagged for inlining = 218, calls inlined = 203, statements flattened = 5223 [2022-10-17 10:49:33,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:49:33,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:49:33,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:49:33,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:49:33,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:49:33,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:49:33,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:49:33,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:49:33,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (1/1) ... [2022-10-17 10:49:33,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:49:33,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:49:33,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:49:33,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ce56af-90cc-44e6-bcbc-6c975b095ec6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:49:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:49:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:49:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 10:49:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 10:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2022-10-17 10:49:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2022-10-17 10:49:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2022-10-17 10:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2022-10-17 10:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-17 10:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-17 10:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:49:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:49:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:49:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:49:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 10:49:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 10:49:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2022-10-17 10:49:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2022-10-17 10:49:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:49:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:49:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:49:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:49:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:49:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:49:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:49:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:49:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:49:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:49:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:49:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:49:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-10-17 10:49:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-10-17 10:49:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:49:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:49:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-10-17 10:49:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-10-17 10:49:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:49:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 10:49:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 10:49:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-10-17 10:49:33,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-10-17 10:49:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:49:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:49:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:49:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:49:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:49:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:49:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:49:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:49:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:49:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 10:49:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 10:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:49:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:49:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2022-10-17 10:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2022-10-17 10:49:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:49:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:49:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:49:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:49:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:49:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:49:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2022-10-17 10:49:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2022-10-17 10:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:49:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:49:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:49:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-10-17 10:49:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-10-17 10:49:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:49:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:49:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:49:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:49:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:49:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:49:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:49:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:49:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:49:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:49:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2022-10-17 10:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2022-10-17 10:49:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2022-10-17 10:49:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2022-10-17 10:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 10:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 10:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:49:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:49:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:49:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:49:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:49:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:49:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-10-17 10:49:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-10-17 10:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 10:49:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 10:49:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 10:49:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:49:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:49:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-10-17 10:49:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-10-17 10:49:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:49:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:49:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-10-17 10:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-10-17 10:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:49:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:49:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:49:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:49:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:49:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2022-10-17 10:49:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2022-10-17 10:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-10-17 10:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-10-17 10:49:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:49:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-10-17 10:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-10-17 10:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-10-17 10:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-10-17 10:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:49:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:49:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:49:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:49:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2022-10-17 10:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2022-10-17 10:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-10-17 10:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-10-17 10:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-17 10:49:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-17 10:49:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-17 10:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-17 10:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-17 10:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-17 10:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:49:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:49:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:49:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2022-10-17 10:49:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2022-10-17 10:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:49:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:49:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:49:34,603 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:49:34,608 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:49:34,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:49:38,350 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:49:38,481 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:49:38,500 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:49:38,501 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:49:38,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:49:38 BoogieIcfgContainer [2022-10-17 10:49:38,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:49:38,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:49:38,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:49:38,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:49:38,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:49:28" (1/3) ... [2022-10-17 10:49:38,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b3a3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:49:38, skipping insertion in model container [2022-10-17 10:49:38,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:32" (2/3) ... [2022-10-17 10:49:38,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b3a3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:49:38, skipping insertion in model container [2022-10-17 10:49:38,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:49:38" (3/3) ... [2022-10-17 10:49:38,515 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-10-17 10:49:38,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:49:38,535 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:49:38,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:49:38,661 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;@33833be3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:49:38,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:49:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 1804 states, 1279 states have (on average 1.347928068803753) internal successors, (1724), 1301 states have internal predecessors, (1724), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) [2022-10-17 10:49:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 10:49:38,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:49:38,722 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:49:38,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:49:38,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:49:38,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2024011784, now seen corresponding path program 1 times [2022-10-17 10:49:38,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:49:38,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407015579] [2022-10-17 10:49:38,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:49:38,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:49:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:49:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:49:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:49:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:49:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:49:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:49:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:49:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:49:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-17 10:49:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:49:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-17 10:49:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:49:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-17 10:49:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:49:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:49:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-17 10:49:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-10-17 10:49:40,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:49:40,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407015579] [2022-10-17 10:49:40,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407015579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:49:40,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:49:40,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:49:40,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249794667] [2022-10-17 10:49:40,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:49:40,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:49:40,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:49:40,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:49:40,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:49:40,284 INFO L87 Difference]: Start difference. First operand has 1804 states, 1279 states have (on average 1.347928068803753) internal successors, (1724), 1301 states have internal predecessors, (1724), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-17 10:49:44,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:49:44,482 INFO L93 Difference]: Finished difference Result 5048 states and 7357 transitions. [2022-10-17 10:49:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:49:44,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 165 [2022-10-17 10:49:44,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:49:44,546 INFO L225 Difference]: With dead ends: 5048 [2022-10-17 10:49:44,547 INFO L226 Difference]: Without dead ends: 3197 [2022-10-17 10:49:44,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 10:49:44,578 INFO L413 NwaCegarLoop]: 2735 mSDtfsCounter, 2716 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 1164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1164 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-17 10:49:44,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 5292 Invalid, 2980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1164 Valid, 1816 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-17 10:49:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-10-17 10:49:44,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3135. [2022-10-17 10:49:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3135 states, 2222 states have (on average 1.2803780378037803) internal successors, (2845), 2260 states have internal predecessors, (2845), 751 states have call successors, (751), 160 states have call predecessors, (751), 161 states have return successors, (759), 740 states have call predecessors, (759), 751 states have call successors, (759) [2022-10-17 10:49:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 4355 transitions. [2022-10-17 10:49:44,936 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 4355 transitions. Word has length 165 [2022-10-17 10:49:44,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:49:44,939 INFO L495 AbstractCegarLoop]: Abstraction has 3135 states and 4355 transitions. [2022-10-17 10:49:44,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-17 10:49:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 4355 transitions. [2022-10-17 10:49:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-17 10:49:44,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:49:44,955 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:49:44,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:49:44,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:49:44,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:49:44,956 INFO L85 PathProgramCache]: Analyzing trace with hash 499468467, now seen corresponding path program 1 times [2022-10-17 10:49:44,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:49:44,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464279554] [2022-10-17 10:49:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:49:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:49:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:49:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:49:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:49:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:49:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:49:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:49:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:49:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:49:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-17 10:49:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-17 10:49:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-17 10:49:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:49:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-17 10:49:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-17 10:49:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:49:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-10-17 10:49:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-17 10:49:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:49:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-17 10:49:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-17 10:49:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-10-17 10:49:45,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:49:45,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464279554] [2022-10-17 10:49:45,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464279554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:49:45,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:49:45,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:49:45,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470787206] [2022-10-17 10:49:45,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:49:45,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:49:45,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:49:45,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:49:45,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:49:45,586 INFO L87 Difference]: Start difference. First operand 3135 states and 4355 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-10-17 10:49:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:49:53,712 INFO L93 Difference]: Finished difference Result 9393 states and 13123 transitions. [2022-10-17 10:49:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-17 10:49:53,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2022-10-17 10:49:53,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:49:53,770 INFO L225 Difference]: With dead ends: 9393 [2022-10-17 10:49:53,770 INFO L226 Difference]: Without dead ends: 6279 [2022-10-17 10:49:53,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:49:53,793 INFO L413 NwaCegarLoop]: 2441 mSDtfsCounter, 5399 mSDsluCounter, 3899 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 3769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5659 SdHoareTripleChecker+Valid, 6340 SdHoareTripleChecker+Invalid, 7611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3769 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:49:53,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5659 Valid, 6340 Invalid, 7611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3769 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-10-17 10:49:53,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6279 states. [2022-10-17 10:49:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6279 to 5785. [2022-10-17 10:49:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 4076 states have (on average 1.277232580961727) internal successors, (5206), 4150 states have internal predecessors, (5206), 1392 states have call successors, (1392), 316 states have call predecessors, (1392), 316 states have return successors, (1408), 1366 states have call predecessors, (1408), 1392 states have call successors, (1408) [2022-10-17 10:49:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 8006 transitions. [2022-10-17 10:49:54,196 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 8006 transitions. Word has length 196 [2022-10-17 10:49:54,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:49:54,198 INFO L495 AbstractCegarLoop]: Abstraction has 5785 states and 8006 transitions. [2022-10-17 10:49:54,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-10-17 10:49:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 8006 transitions. [2022-10-17 10:49:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-17 10:49:54,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:49:54,206 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:49:54,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:49:54,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:49:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:49:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -346653364, now seen corresponding path program 1 times [2022-10-17 10:49:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:49:54,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525099137] [2022-10-17 10:49:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:49:54,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:49:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:49:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:49:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:49:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:49:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:49:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:49:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:49:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:49:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-17 10:49:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:49:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-17 10:49:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-17 10:49:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:49:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-17 10:49:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:49:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-17 10:49:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-17 10:49:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:49:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-17 10:49:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-17 10:49:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-10-17 10:49:55,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:49:55,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525099137] [2022-10-17 10:49:55,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525099137] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:49:55,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:49:55,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:49:55,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689209738] [2022-10-17 10:49:55,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:49:55,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:49:55,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:49:55,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:49:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:49:55,364 INFO L87 Difference]: Start difference. First operand 5785 states and 8006 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22)