./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/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 b690325b7d1e58e38bff17a4189057cbc4b34bf32c3567c06d7db1b90b9742db --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:29:43,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:29:43,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:29:43,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:29:43,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:29:43,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:29:43,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:29:43,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:29:43,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:29:43,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:29:43,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:29:43,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:29:43,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:29:43,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:29:43,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:29:43,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:29:43,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:29:43,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:29:43,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:29:43,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:29:43,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:29:43,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:29:43,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:29:43,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:29:43,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:29:43,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:29:43,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:29:43,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:29:43,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:29:43,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:29:43,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:29:43,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:29:43,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:29:43,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:29:43,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:29:43,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:29:43,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:29:43,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:29:43,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:29:43,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:29:43,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:29:43,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:29:43,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:29:43,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:29:43,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:29:43,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:29:43,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:29:43,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:29:43,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:29:43,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:29:43,256 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:29:43,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:29:43,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:29:43,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:29:43,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:29:43,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:29:43,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:29:43,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:29:43,258 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:29:43,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:29:43,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:29:43,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:29:43,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:29:43,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:29:43,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:29:43,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:29:43,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:29:43,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:29:43,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:29:43,260 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:29:43,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:29:43,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:29:43,261 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b690325b7d1e58e38bff17a4189057cbc4b34bf32c3567c06d7db1b90b9742db [2022-10-17 10:29:43,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:29:43,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:29:43,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:29:43,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:29:43,546 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:29:43,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:29:43,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/data/4df9703af/6241c9266db14e76a2d18d2200828682/FLAGd75b17976 [2022-10-17 10:29:44,552 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:29:44,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:29:44,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/data/4df9703af/6241c9266db14e76a2d18d2200828682/FLAGd75b17976 [2022-10-17 10:29:44,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/data/4df9703af/6241c9266db14e76a2d18d2200828682 [2022-10-17 10:29:44,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:29:44,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:29:44,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:29:44,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:29:44,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:29:44,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:29:44" (1/1) ... [2022-10-17 10:29:44,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1780d482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:44, skipping insertion in model container [2022-10-17 10:29:44,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:29:44" (1/1) ... [2022-10-17 10:29:44,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:29:45,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:29:47,222 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290402,290415] [2022-10-17 10:29:47,225 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290549,290562] [2022-10-17 10:29:47,226 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290688,290701] [2022-10-17 10:29:47,226 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290846,290859] [2022-10-17 10:29:47,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:29:47,288 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:29:47,757 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290402,290415] [2022-10-17 10:29:47,759 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290549,290562] [2022-10-17 10:29:47,759 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290688,290701] [2022-10-17 10:29:47,760 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_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[290846,290859] [2022-10-17 10:29:47,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:29:47,894 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:29:47,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47 WrapperNode [2022-10-17 10:29:47,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:29:47,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:29:47,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:29:47,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:29:47,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:47,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,162 INFO L138 Inliner]: procedures = 281, calls = 1828, calls flagged for inlining = 136, calls inlined = 128, statements flattened = 4216 [2022-10-17 10:29:48,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:29:48,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:29:48,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:29:48,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:29:48,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:29:48,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:29:48,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:29:48,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:29:48,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (1/1) ... [2022-10-17 10:29:48,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:29:48,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:48,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:48,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2ee78e-065c-4e64-ad00-ded41e4e30b7/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:29:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-10-17 10:29:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-10-17 10:29:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:29:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:29:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:29:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:29:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:29:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:29:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-10-17 10:29:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-10-17 10:29:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-10-17 10:29:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-10-17 10:29:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-10-17 10:29:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-10-17 10:29:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:29:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:29:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:29:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:29:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-17 10:29:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-17 10:29:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-10-17 10:29:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-10-17 10:29:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:29:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:29:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-10-17 10:29:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-10-17 10:29:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-10-17 10:29:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-10-17 10:29:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-10-17 10:29:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-10-17 10:29:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-10-17 10:29:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-10-17 10:29:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:29:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:29:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-10-17 10:29:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-10-17 10:29:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:29:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:29:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-10-17 10:29:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-10-17 10:29:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-10-17 10:29:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-10-17 10:29:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:29:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:29:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:29:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:29:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:29:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:29:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-10-17 10:29:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-10-17 10:29:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-10-17 10:29:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-10-17 10:29:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:29:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:29:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:29:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:29:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-10-17 10:29:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-10-17 10:29:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:29:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:29:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:29:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:29:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-10-17 10:29:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-10-17 10:29:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-10-17 10:29:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-10-17 10:29:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:29:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:29:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:29:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:29:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-17 10:29:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-17 10:29:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:29:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:29:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-10-17 10:29:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-10-17 10:29:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:29:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:29:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 10:29:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 10:29:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:29:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:29:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:29:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:29:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:29:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:29:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-10-17 10:29:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-10-17 10:29:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-10-17 10:29:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-10-17 10:29:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:29:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-10-17 10:29:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-10-17 10:29:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-10-17 10:29:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-10-17 10:29:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:29:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:29:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:29:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:29:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:29:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-10-17 10:29:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-10-17 10:29:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:29:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:29:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-10-17 10:29:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-10-17 10:29:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:29:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:29:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:29:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:29:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:29:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:29:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:29:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:29:48,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:29:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-10-17 10:29:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-10-17 10:29:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:29:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:29:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:29:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:29:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-10-17 10:29:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-10-17 10:29:48,653 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:29:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:29:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:29:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 10:29:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 10:29:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-10-17 10:29:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-10-17 10:29:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 10:29:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 10:29:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:29:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:29:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-10-17 10:29:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-10-17 10:29:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-10-17 10:29:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-10-17 10:29:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-10-17 10:29:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-10-17 10:29:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:29:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-10-17 10:29:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-10-17 10:29:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:29:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:29:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:29:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:29:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:29:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:29:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:29:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:29:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:29:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:29:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-10-17 10:29:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-10-17 10:29:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-10-17 10:29:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-10-17 10:29:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-10-17 10:29:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-10-17 10:29:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:29:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:29:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-10-17 10:29:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-10-17 10:29:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-10-17 10:29:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-10-17 10:29:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:29:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:29:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-10-17 10:29:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-10-17 10:29:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-10-17 10:29:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-10-17 10:29:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:29:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:29:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:29:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:29:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-10-17 10:29:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-10-17 10:29:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 10:29:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 10:29:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:29:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 10:29:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 10:29:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-10-17 10:29:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-10-17 10:29:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:29:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:29:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 10:29:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 10:29:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:29:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:29:49,488 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:29:49,496 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:29:49,731 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:29:55,202 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:29:55,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:29:55,241 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:29:55,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:29:55 BoogieIcfgContainer [2022-10-17 10:29:55,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:29:55,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:29:55,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:29:55,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:29:55,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:29:44" (1/3) ... [2022-10-17 10:29:55,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2564bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:29:55, skipping insertion in model container [2022-10-17 10:29:55,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:29:47" (2/3) ... [2022-10-17 10:29:55,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2564bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:29:55, skipping insertion in model container [2022-10-17 10:29:55,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:29:55" (3/3) ... [2022-10-17 10:29:55,265 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:29:55,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:29:55,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:29:55,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:29:55,427 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;@7f3a43b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:29:55,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 10:29:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 1867 states, 1163 states have (on average 1.300085984522786) internal successors, (1512), 1195 states have internal predecessors, (1512), 615 states have call successors, (615), 87 states have call predecessors, (615), 86 states have return successors, (612), 600 states have call predecessors, (612), 612 states have call successors, (612) [2022-10-17 10:29:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:29:55,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:29:55,459 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:29:55,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:29:55,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:55,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1721609146, now seen corresponding path program 1 times [2022-10-17 10:29:55,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:55,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092782151] [2022-10-17 10:29:55,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:55,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:29:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:29:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:29:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-17 10:29:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-17 10:29:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:29:56,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:29:56,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092782151] [2022-10-17 10:29:56,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092782151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:29:56,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:29:56,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:29:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406296092] [2022-10-17 10:29:56,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:29:56,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:29:56,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:29:56,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:29:56,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:29:56,826 INFO L87 Difference]: Start difference. First operand has 1867 states, 1163 states have (on average 1.300085984522786) internal successors, (1512), 1195 states have internal predecessors, (1512), 615 states have call successors, (615), 87 states have call predecessors, (615), 86 states have return successors, (612), 600 states have call predecessors, (612), 612 states have call successors, (612) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:29:57,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:29:57,263 INFO L93 Difference]: Finished difference Result 3701 states and 5517 transitions. [2022-10-17 10:29:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:29:57,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2022-10-17 10:29:57,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:29:57,301 INFO L225 Difference]: With dead ends: 3701 [2022-10-17 10:29:57,301 INFO L226 Difference]: Without dead ends: 1819 [2022-10-17 10:29:57,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 10:29:57,326 INFO L413 NwaCegarLoop]: 2680 mSDtfsCounter, 2660 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2662 SdHoareTripleChecker+Valid, 5358 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:29:57,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2662 Valid, 5358 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:29:57,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2022-10-17 10:29:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1819. [2022-10-17 10:29:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1130 states have (on average 1.2575221238938052) internal successors, (1421), 1159 states have internal predecessors, (1421), 603 states have call successors, (603), 85 states have call predecessors, (603), 85 states have return successors, (603), 591 states have call predecessors, (603), 603 states have call successors, (603) [2022-10-17 10:29:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2627 transitions. [2022-10-17 10:29:57,579 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2627 transitions. Word has length 50 [2022-10-17 10:29:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:29:57,580 INFO L495 AbstractCegarLoop]: Abstraction has 1819 states and 2627 transitions. [2022-10-17 10:29:57,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:29:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2627 transitions. [2022-10-17 10:29:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 10:29:57,585 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:29:57,585 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:29:57,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:29:57,586 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:29:57,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash -107056878, now seen corresponding path program 1 times [2022-10-17 10:29:57,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:57,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788269262] [2022-10-17 10:29:57,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:29:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:29:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:29:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:29:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:29:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:29:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:29:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:29:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:29:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:29:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:29:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:29:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:29:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 10:29:58,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:29:58,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788269262] [2022-10-17 10:29:58,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788269262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:29:58,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:29:58,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:29:58,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943165840] [2022-10-17 10:29:58,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:29:58,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:29:58,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:29:58,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:29:58,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:29:58,081 INFO L87 Difference]: Start difference. First operand 1819 states and 2627 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-17 10:30:01,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:30:07,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:07,869 INFO L93 Difference]: Finished difference Result 5443 states and 7935 transitions. [2022-10-17 10:30:07,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:30:07,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-10-17 10:30:07,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:07,919 INFO L225 Difference]: With dead ends: 5443 [2022-10-17 10:30:07,919 INFO L226 Difference]: Without dead ends: 3643 [2022-10-17 10:30:07,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 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 10:30:07,945 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3086 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 2999 mSolverCounterSat, 2200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3666 SdHoareTripleChecker+Valid, 4404 SdHoareTripleChecker+Invalid, 5199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2200 IncrementalHoareTripleChecker+Valid, 2999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:07,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3666 Valid, 4404 Invalid, 5199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2200 Valid, 2999 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-10-17 10:30:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2022-10-17 10:30:08,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 3613. [2022-10-17 10:30:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3613 states, 2237 states have (on average 1.2413947250782298) internal successors, (2777), 2295 states have internal predecessors, (2777), 1205 states have call successors, (1205), 170 states have call predecessors, (1205), 170 states have return successors, (1231), 1181 states have call predecessors, (1231), 1205 states have call successors, (1231) [2022-10-17 10:30:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3613 states and 5213 transitions. [2022-10-17 10:30:08,509 INFO L78 Accepts]: Start accepts. Automaton has 3613 states and 5213 transitions. Word has length 98 [2022-10-17 10:30:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:08,512 INFO L495 AbstractCegarLoop]: Abstraction has 3613 states and 5213 transitions. [2022-10-17 10:30:08,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-17 10:30:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5213 transitions. [2022-10-17 10:30:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 10:30:08,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:08,521 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:08,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:30:08,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:08,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:08,522 INFO L85 PathProgramCache]: Analyzing trace with hash -787115248, now seen corresponding path program 1 times [2022-10-17 10:30:08,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:08,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738757934] [2022-10-17 10:30:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:30:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:30:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:30:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:30:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:30:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:30:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:30:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:09,394 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 10:30:09,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:09,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738757934] [2022-10-17 10:30:09,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738757934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:09,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:09,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890334601] [2022-10-17 10:30:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:09,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:30:09,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:09,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:30:09,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:30:09,403 INFO L87 Difference]: Start difference. First operand 3613 states and 5213 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-17 10:30:11,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []