./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro --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 9a2f972b53b4f15abb2f85e3f4029427adee7726e36e16b2a641b76be8e63ca1 --- 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-8393723 [2022-11-18 19:53:38,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:53:38,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:53:38,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:53:38,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:53:38,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:53:38,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:53:38,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:53:38,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:53:38,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:53:38,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:53:38,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:53:38,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:53:38,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:53:38,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:53:38,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:53:38,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:53:38,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:53:38,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:53:38,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:53:38,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:53:38,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:53:38,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:53:38,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:53:38,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:53:38,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:53:38,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:53:38,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:53:38,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:53:38,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:53:38,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:53:38,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:53:38,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:53:38,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:53:38,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:53:38,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:53:38,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:53:38,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:53:38,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:53:38,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:53:38,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:53:38,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:53:38,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:53:38,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:53:38,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:53:38,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:53:38,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:53:38,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:53:38,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:53:38,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:53:38,498 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:53:38,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:53:38,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:53:38,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:53:38,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:53:38,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:53:38,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:53:38,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:53:38,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:53:38,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:53:38,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:53:38,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:53:38,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:53:38,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:53:38,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:53:38,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:53:38,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:53:38,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:53:38,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:53:38,503 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:53:38,503 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:53:38,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:53:38,504 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_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a2f972b53b4f15abb2f85e3f4029427adee7726e36e16b2a641b76be8e63ca1 [2022-11-18 19:53:38,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:53:38,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:53:38,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:53:38,889 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:53:38,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:53:38,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-18 19:53:38,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/data/bac4e1dac/f156810d14d44e799da1ee9877e24797/FLAG6971ac1a0 [2022-11-18 19:53:40,423 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:53:40,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-18 19:53:40,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/data/bac4e1dac/f156810d14d44e799da1ee9877e24797/FLAG6971ac1a0 [2022-11-18 19:53:40,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/data/bac4e1dac/f156810d14d44e799da1ee9877e24797 [2022-11-18 19:53:40,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:53:40,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:53:40,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:53:40,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:53:40,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:53:40,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:53:40" (1/1) ... [2022-11-18 19:53:40,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef1aee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:40, skipping insertion in model container [2022-11-18 19:53:40,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:53:40" (1/1) ... [2022-11-18 19:53:40,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:53:41,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:53:41,971 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6627] [2022-11-18 19:53:41,972 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6628-6629] [2022-11-18 19:53:42,285 WARN L234 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_97f19fb2-c53c-4865-85a6-df885c19e539/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[195310,195323] [2022-11-18 19:53:47,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:53:48,073 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:53:48,242 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6627] [2022-11-18 19:53:48,243 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6628-6629] [2022-11-18 19:53:48,248 WARN L234 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_97f19fb2-c53c-4865-85a6-df885c19e539/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[195310,195323] [2022-11-18 19:53:48,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:53:49,213 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:53:49,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49 WrapperNode [2022-11-18 19:53:49,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:53:49,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:53:49,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:53:49,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:53:49,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:49,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:49,980 INFO L138 Inliner]: procedures = 586, calls = 8594, calls flagged for inlining = 257, calls inlined = 255, statements flattened = 15232 [2022-11-18 19:53:49,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:53:49,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:53:49,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:53:49,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:53:49,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:49,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:50,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:50,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:51,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:51,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:51,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:51,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:51,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:53:51,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:53:51,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:53:51,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:53:51,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (1/1) ... [2022-11-18 19:53:51,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:53:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:53:51,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:53:51,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f19fb2-c53c-4865-85a6-df885c19e539/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:53:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:53:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:53:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 19:53:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 19:53:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2022-11-18 19:53:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2022-11-18 19:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2022-11-18 19:53:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2022-11-18 19:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2022-11-18 19:53:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2022-11-18 19:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 19:53:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 19:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-18 19:53:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-18 19:53:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2022-11-18 19:53:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2022-11-18 19:53:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 19:53:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 19:53:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2022-11-18 19:53:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2022-11-18 19:53:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:53:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:53:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-18 19:53:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-18 19:53:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2022-11-18 19:53:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2022-11-18 19:53:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2022-11-18 19:53:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2022-11-18 19:53:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2022-11-18 19:53:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2022-11-18 19:53:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2022-11-18 19:53:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2022-11-18 19:53:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2022-11-18 19:53:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2022-11-18 19:53:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2022-11-18 19:53:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2022-11-18 19:53:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2022-11-18 19:53:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2022-11-18 19:53:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-18 19:53:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-18 19:53:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:53:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:53:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2022-11-18 19:53:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2022-11-18 19:53:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2022-11-18 19:53:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2022-11-18 19:53:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2022-11-18 19:53:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2022-11-18 19:53:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 19:53:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2022-11-18 19:53:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2022-11-18 19:53:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-18 19:53:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-18 19:53:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2022-11-18 19:53:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2022-11-18 19:53:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 19:53:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-18 19:53:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-18 19:53:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2022-11-18 19:53:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2022-11-18 19:53:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:53:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:53:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:53:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2022-11-18 19:53:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2022-11-18 19:53:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 19:53:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 19:53:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2022-11-18 19:53:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2022-11-18 19:53:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2022-11-18 19:53:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2022-11-18 19:53:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2022-11-18 19:53:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2022-11-18 19:53:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2022-11-18 19:53:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2022-11-18 19:53:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-18 19:53:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-18 19:53:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:53:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:53:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2022-11-18 19:53:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2022-11-18 19:53:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-18 19:53:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-18 19:53:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:53:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:53:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:53:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:53:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-18 19:53:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-18 19:53:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2022-11-18 19:53:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2022-11-18 19:53:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2022-11-18 19:53:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2022-11-18 19:53:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:53:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2022-11-18 19:53:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2022-11-18 19:53:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2022-11-18 19:53:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2022-11-18 19:53:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2022-11-18 19:53:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2022-11-18 19:53:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2022-11-18 19:53:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2022-11-18 19:53:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2022-11-18 19:53:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2022-11-18 19:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2022-11-18 19:53:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2022-11-18 19:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:53:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2022-11-18 19:53:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2022-11-18 19:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 19:53:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 19:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 19:53:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 19:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2022-11-18 19:53:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2022-11-18 19:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-18 19:53:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-18 19:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2022-11-18 19:53:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2022-11-18 19:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-18 19:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-18 19:53:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2022-11-18 19:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2022-11-18 19:53:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2022-11-18 19:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2022-11-18 19:53:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2022-11-18 19:53:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2022-11-18 19:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-18 19:53:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-18 19:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2022-11-18 19:53:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2022-11-18 19:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2022-11-18 19:53:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2022-11-18 19:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 19:53:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 19:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2022-11-18 19:53:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2022-11-18 19:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2022-11-18 19:53:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2022-11-18 19:53:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:53:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-18 19:53:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-18 19:53:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2022-11-18 19:53:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2022-11-18 19:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2022-11-18 19:53:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2022-11-18 19:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 19:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:53:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 19:53:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 19:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2022-11-18 19:53:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2022-11-18 19:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-11-18 19:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-11-18 19:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2022-11-18 19:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2022-11-18 19:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 19:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 19:53:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2022-11-18 19:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2022-11-18 19:53:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2022-11-18 19:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2022-11-18 19:53:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2022-11-18 19:53:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2022-11-18 19:53:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 19:53:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 19:53:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2022-11-18 19:53:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2022-11-18 19:53:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2022-11-18 19:53:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2022-11-18 19:53:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2022-11-18 19:53:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2022-11-18 19:53:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2022-11-18 19:53:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2022-11-18 19:53:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2022-11-18 19:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2022-11-18 19:53:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2022-11-18 19:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2022-11-18 19:53:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-18 19:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-18 19:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 19:53:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 19:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2022-11-18 19:53:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2022-11-18 19:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 19:53:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 19:53:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2022-11-18 19:53:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2022-11-18 19:53:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2022-11-18 19:53:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2022-11-18 19:53:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-18 19:53:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-18 19:53:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2022-11-18 19:53:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2022-11-18 19:53:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 19:53:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 19:53:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 19:53:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 19:53:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2022-11-18 19:53:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2022-11-18 19:53:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 19:53:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 19:53:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-18 19:53:51,613 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-18 19:53:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2022-11-18 19:53:51,613 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2022-11-18 19:53:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2022-11-18 19:53:51,613 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2022-11-18 19:53:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:53:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:53:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-18 19:53:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-18 19:53:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2022-11-18 19:53:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2022-11-18 19:53:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 19:53:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 19:53:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 19:53:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 19:53:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2022-11-18 19:53:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2022-11-18 19:53:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2022-11-18 19:53:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2022-11-18 19:53:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2022-11-18 19:53:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2022-11-18 19:53:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-18 19:53:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-18 19:53:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:53:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:53:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2022-11-18 19:53:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2022-11-18 19:53:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:53:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:53:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 19:53:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 19:53:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2022-11-18 19:53:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2022-11-18 19:53:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-18 19:53:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-18 19:53:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-18 19:53:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-18 19:53:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2022-11-18 19:53:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2022-11-18 19:53:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2022-11-18 19:53:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2022-11-18 19:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2022-11-18 19:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2022-11-18 19:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2022-11-18 19:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2022-11-18 19:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2022-11-18 19:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2022-11-18 19:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-11-18 19:53:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-11-18 19:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2022-11-18 19:53:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2022-11-18 19:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 19:53:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 19:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 19:53:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 19:53:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:53:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:53:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2022-11-18 19:53:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2022-11-18 19:53:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:53:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:53:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:53:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:53:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2022-11-18 19:53:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2022-11-18 19:53:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2022-11-18 19:53:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2022-11-18 19:53:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:53:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:53:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-18 19:53:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-18 19:53:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 19:53:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 19:53:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:53:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:53:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:53:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2022-11-18 19:53:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2022-11-18 19:53:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2022-11-18 19:53:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2022-11-18 19:53:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2022-11-18 19:53:51,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2022-11-18 19:53:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:53:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 19:53:51,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 19:53:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-18 19:53:51,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-18 19:53:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2022-11-18 19:53:51,627 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2022-11-18 19:53:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:53:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2022-11-18 19:53:51,627 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2022-11-18 19:53:51,628 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 19:53:51,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 19:53:51,628 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 19:53:51,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 19:53:51,628 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 19:53:51,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 19:53:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2022-11-18 19:53:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2022-11-18 19:53:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2022-11-18 19:53:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2022-11-18 19:53:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 19:53:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 19:53:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 19:53:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 19:53:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-18 19:53:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-18 19:53:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2022-11-18 19:53:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2022-11-18 19:53:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-18 19:53:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-18 19:53:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 19:53:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 19:53:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:53:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2022-11-18 19:53:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2022-11-18 19:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2022-11-18 19:53:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2022-11-18 19:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2022-11-18 19:53:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2022-11-18 19:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-18 19:53:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-18 19:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2022-11-18 19:53:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2022-11-18 19:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2022-11-18 19:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2022-11-18 19:53:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2022-11-18 19:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2022-11-18 19:53:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:53:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 19:53:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 19:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2022-11-18 19:53:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2022-11-18 19:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-18 19:53:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-18 19:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:53:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:53:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-18 19:53:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-18 19:53:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2022-11-18 19:53:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2022-11-18 19:53:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:53:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2022-11-18 19:53:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2022-11-18 19:53:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2022-11-18 19:53:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2022-11-18 19:53:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 19:53:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 19:53:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:53:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:53:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2022-11-18 19:53:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2022-11-18 19:53:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2022-11-18 19:53:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2022-11-18 19:53:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2022-11-18 19:53:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2022-11-18 19:53:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2022-11-18 19:53:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2022-11-18 19:53:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2022-11-18 19:53:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2022-11-18 19:53:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2022-11-18 19:53:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2022-11-18 19:53:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2022-11-18 19:53:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2022-11-18 19:53:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2022-11-18 19:53:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2022-11-18 19:53:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-18 19:53:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-18 19:53:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-18 19:53:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-18 19:53:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2022-11-18 19:53:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2022-11-18 19:53:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2022-11-18 19:53:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2022-11-18 19:53:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 19:53:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 19:53:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-18 19:53:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-18 19:53:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2022-11-18 19:53:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2022-11-18 19:53:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 19:53:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 19:53:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2022-11-18 19:53:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2022-11-18 19:53:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2022-11-18 19:53:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2022-11-18 19:53:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:53:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:53:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2022-11-18 19:53:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2022-11-18 19:53:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2022-11-18 19:53:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2022-11-18 19:53:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2022-11-18 19:53:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2022-11-18 19:53:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2022-11-18 19:53:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2022-11-18 19:53:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:53:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2022-11-18 19:53:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2022-11-18 19:53:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 19:53:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 19:53:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2022-11-18 19:53:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2022-11-18 19:53:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-18 19:53:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-18 19:53:53,538 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:53:53,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:53:54,149 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:59:04,372 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:59:04,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:59:04,399 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:59:04,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:59:04 BoogieIcfgContainer [2022-11-18 19:59:04,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:59:04,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:59:04,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:59:04,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:59:04,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:53:40" (1/3) ... [2022-11-18 19:59:04,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79436504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:59:04, skipping insertion in model container [2022-11-18 19:59:04,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:49" (2/3) ... [2022-11-18 19:59:04,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79436504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:59:04, skipping insertion in model container [2022-11-18 19:59:04,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:59:04" (3/3) ... [2022-11-18 19:59:04,418 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-18 19:59:04,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:59:04,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:59:04,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:59:04,653 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;@35238891, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:59:04,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:59:04,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 3982 states, 2651 states have (on average 1.3187476423990947) internal successors, (3496), 2745 states have internal predecessors, (3496), 1131 states have call successors, (1131), 199 states have call predecessors, (1131), 198 states have return successors, (1127), 1122 states have call predecessors, (1127), 1127 states have call successors, (1127) [2022-11-18 19:59:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 19:59:04,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:04,685 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 19:59:04,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:04,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash 39266333, now seen corresponding path program 1 times [2022-11-18 19:59:04,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:59:04,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638545990] [2022-11-18 19:59:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:59:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:59:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:59:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:59:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:59:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:59:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:59:06,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:59:06,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638545990] [2022-11-18 19:59:06,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638545990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:06,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:06,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:59:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910340722] [2022-11-18 19:59:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:06,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:59:06,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:59:06,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:59:06,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:59:06,385 INFO L87 Difference]: Start difference. First operand has 3982 states, 2651 states have (on average 1.3187476423990947) internal successors, (3496), 2745 states have internal predecessors, (3496), 1131 states have call successors, (1131), 199 states have call predecessors, (1131), 198 states have return successors, (1127), 1122 states have call predecessors, (1127), 1127 states have call successors, (1127) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:59:11,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:29,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:35,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:49,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:51,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:52,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:56,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:59,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:01,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:03,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:05,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:08,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:10,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:12,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:16,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:19,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:21,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:23,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:25,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:27,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:30,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:35,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:38,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:41,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:43,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:45,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:46,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:48,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:51,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:53,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:56,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:58,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:00,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:03,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:05,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:05,047 INFO L93 Difference]: Finished difference Result 11264 states and 17087 transitions. [2022-11-18 20:01:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:01:05,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2022-11-18 20:01:05,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:05,150 INFO L225 Difference]: With dead ends: 11264 [2022-11-18 20:01:05,151 INFO L226 Difference]: Without dead ends: 7235 [2022-11-18 20:01:05,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:01:05,208 INFO L413 NwaCegarLoop]: 6250 mSDtfsCounter, 4926 mSDsluCounter, 7208 mSDsCounter, 0 mSdLazyCounter, 4667 mSolverCounterSat, 2182 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5542 SdHoareTripleChecker+Valid, 13458 SdHoareTripleChecker+Invalid, 6875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2182 IncrementalHoareTripleChecker+Valid, 4667 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:05,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5542 Valid, 13458 Invalid, 6875 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2182 Valid, 4667 Invalid, 26 Unknown, 0 Unchecked, 117.4s Time] [2022-11-18 20:01:05,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7235 states. [2022-11-18 20:01:05,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7235 to 6888. [2022-11-18 20:01:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6888 states, 4570 states have (on average 1.313566739606127) internal successors, (6003), 4721 states have internal predecessors, (6003), 1958 states have call successors, (1958), 360 states have call predecessors, (1958), 359 states have return successors, (1957), 1951 states have call predecessors, (1957), 1957 states have call successors, (1957) [2022-11-18 20:01:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6888 states to 6888 states and 9918 transitions. [2022-11-18 20:01:05,915 INFO L78 Accepts]: Start accepts. Automaton has 6888 states and 9918 transitions. Word has length 45 [2022-11-18 20:01:05,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:05,916 INFO L495 AbstractCegarLoop]: Abstraction has 6888 states and 9918 transitions. [2022-11-18 20:01:05,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 20:01:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6888 states and 9918 transitions. [2022-11-18 20:01:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:01:05,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:05,935 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:05,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:01:05,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:01:05,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:05,937 INFO L85 PathProgramCache]: Analyzing trace with hash -440118230, now seen corresponding path program 1 times [2022-11-18 20:01:05,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:05,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073851785] [2022-11-18 20:01:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:05,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:01:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:01:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:01:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:01:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:01:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:01:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:01:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 20:01:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:01:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 20:01:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 20:01:07,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:07,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073851785] [2022-11-18 20:01:07,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073851785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:07,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:07,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:01:07,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704393650] [2022-11-18 20:01:07,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:07,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:01:07,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:07,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:01:07,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:01:07,316 INFO L87 Difference]: Start difference. First operand 6888 states and 9918 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:01:15,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:53,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:55,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:14,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:16,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:32,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:34,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:36,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:38,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:44,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:47,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:49,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:51,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:54,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:02:56,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:01,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:10,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:12,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:17,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:19,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:21,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:24,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:27,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:29,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:31,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:32,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:34,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:39,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:41,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:49,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:51,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:52,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:58,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:02,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:04,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:06,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:09,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:13,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:17,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:19,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:23,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:23,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:23,518 INFO L93 Difference]: Finished difference Result 19220 states and 28095 transitions. [2022-11-18 20:04:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:04:23,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2022-11-18 20:04:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:23,623 INFO L225 Difference]: With dead ends: 19220 [2022-11-18 20:04:23,624 INFO L226 Difference]: Without dead ends: 12337 [2022-11-18 20:04:23,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:04:23,668 INFO L413 NwaCegarLoop]: 7688 mSDtfsCounter, 8303 mSDsluCounter, 11319 mSDsCounter, 0 mSdLazyCounter, 8880 mSolverCounterSat, 5382 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 186.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9106 SdHoareTripleChecker+Valid, 19007 SdHoareTripleChecker+Invalid, 14292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5382 IncrementalHoareTripleChecker+Valid, 8880 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 194.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:23,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9106 Valid, 19007 Invalid, 14292 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5382 Valid, 8880 Invalid, 30 Unknown, 0 Unchecked, 194.4s Time] [2022-11-18 20:04:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-11-18 20:04:24,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 10526. [2022-11-18 20:04:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10526 states, 6986 states have (on average 1.308903521328371) internal successors, (9144), 7233 states have internal predecessors, (9144), 2980 states have call successors, (2980), 552 states have call predecessors, (2980), 559 states have return successors, (3001), 2969 states have call predecessors, (3001), 2979 states have call successors, (3001) [2022-11-18 20:04:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10526 states to 10526 states and 15125 transitions. [2022-11-18 20:04:24,727 INFO L78 Accepts]: Start accepts. Automaton has 10526 states and 15125 transitions. Word has length 82 [2022-11-18 20:04:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:24,727 INFO L495 AbstractCegarLoop]: Abstraction has 10526 states and 15125 transitions. [2022-11-18 20:04:24,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:04:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 10526 states and 15125 transitions. [2022-11-18 20:04:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-18 20:04:24,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:24,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-18 20:04:24,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:04:24,733 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:04:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:24,733 INFO L85 PathProgramCache]: Analyzing trace with hash 82818504, now seen corresponding path program 1 times [2022-11-18 20:04:24,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:24,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324873593] [2022-11-18 20:04:24,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:04:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:04:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:04:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:04:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:04:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:04:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:04:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 20:04:25,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:25,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324873593] [2022-11-18 20:04:25,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324873593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:25,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:25,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:04:25,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628233867] [2022-11-18 20:04:25,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:25,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:04:25,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:25,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:04:25,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:04:25,978 INFO L87 Difference]: Start difference. First operand 10526 states and 15125 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:04:31,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:52,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:06,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:08,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:09,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:15,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:17,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:20,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:22,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:24,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:27,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:32,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:35,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:37,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:39,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:40,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:42,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:45,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:05:46,787 INFO L93 Difference]: Finished difference Result 21584 states and 31214 transitions. [2022-11-18 20:05:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:05:46,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2022-11-18 20:05:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:05:46,867 INFO L225 Difference]: With dead ends: 21584 [2022-11-18 20:05:46,867 INFO L226 Difference]: Without dead ends: 11070 [2022-11-18 20:05:46,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:05:46,936 INFO L413 NwaCegarLoop]: 5056 mSDtfsCounter, 835 mSDsluCounter, 6674 mSDsCounter, 0 mSdLazyCounter, 3680 mSolverCounterSat, 1166 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 11730 SdHoareTripleChecker+Invalid, 4859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 3680 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:05:46,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 11730 Invalid, 4859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1166 Valid, 3680 Invalid, 13 Unknown, 0 Unchecked, 80.1s Time] [2022-11-18 20:05:46,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11070 states. [2022-11-18 20:05:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11070 to 10512. [2022-11-18 20:05:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10512 states, 6974 states have (on average 1.3087180957843418) internal successors, (9127), 7222 states have internal predecessors, (9127), 2979 states have call successors, (2979), 551 states have call predecessors, (2979), 558 states have return successors, (3000), 2967 states have call predecessors, (3000), 2978 states have call successors, (3000) [2022-11-18 20:05:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10512 states to 10512 states and 15106 transitions. [2022-11-18 20:05:47,857 INFO L78 Accepts]: Start accepts. Automaton has 10512 states and 15106 transitions. Word has length 78 [2022-11-18 20:05:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:05:47,860 INFO L495 AbstractCegarLoop]: Abstraction has 10512 states and 15106 transitions. [2022-11-18 20:05:47,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:05:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 10512 states and 15106 transitions. [2022-11-18 20:05:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-18 20:05:47,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:47,865 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-18 20:05:47,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:05:47,866 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:05:47,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:47,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1760593318, now seen corresponding path program 1 times [2022-11-18 20:05:47,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:47,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277238689] [2022-11-18 20:05:47,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:47,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:05:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:05:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:05:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:05:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:05:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 20:05:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 20:05:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:05:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:05:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-18 20:05:49,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:49,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277238689] [2022-11-18 20:05:49,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277238689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:49,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:49,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:05:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144402665] [2022-11-18 20:05:49,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:49,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:05:49,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:49,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:05:49,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:05:49,300 INFO L87 Difference]: Start difference. First operand 10512 states and 15106 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-18 20:05:55,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:15,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:18,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:32,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:33,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:35,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:40,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:42,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:44,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:46,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:49,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:51,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:55,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:58,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:01,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:04,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:06,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:08,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:09,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:11,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:14,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:17,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:17,878 INFO L93 Difference]: Finished difference Result 22263 states and 32318 transitions. [2022-11-18 20:07:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:07:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2022-11-18 20:07:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:07:17,942 INFO L225 Difference]: With dead ends: 22263 [2022-11-18 20:07:17,942 INFO L226 Difference]: Without dead ends: 11767 [2022-11-18 20:07:17,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:07:17,985 INFO L413 NwaCegarLoop]: 5557 mSDtfsCounter, 1140 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 3823 mSolverCounterSat, 1165 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 12598 SdHoareTripleChecker+Invalid, 5001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1165 IncrementalHoareTripleChecker+Valid, 3823 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:07:17,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 12598 Invalid, 5001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1165 Valid, 3823 Invalid, 13 Unknown, 0 Unchecked, 87.8s Time] [2022-11-18 20:07:18,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11767 states. [2022-11-18 20:07:18,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11767 to 10526. [2022-11-18 20:07:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10526 states, 6988 states have (on average 1.3086720091585575) internal successors, (9145), 7236 states have internal predecessors, (9145), 2979 states have call successors, (2979), 551 states have call predecessors, (2979), 558 states have return successors, (3000), 2967 states have call predecessors, (3000), 2978 states have call successors, (3000) [2022-11-18 20:07:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10526 states to 10526 states and 15124 transitions. [2022-11-18 20:07:18,684 INFO L78 Accepts]: Start accepts. Automaton has 10526 states and 15124 transitions. Word has length 91 [2022-11-18 20:07:18,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:07:18,688 INFO L495 AbstractCegarLoop]: Abstraction has 10526 states and 15124 transitions. [2022-11-18 20:07:18,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-18 20:07:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 10526 states and 15124 transitions. [2022-11-18 20:07:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 20:07:18,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:07:18,693 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-18 20:07:18,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:07:18,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:07:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1947078696, now seen corresponding path program 1 times [2022-11-18 20:07:18,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:18,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596210208] [2022-11-18 20:07:18,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:07:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:07:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:07:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:07:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:07:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:07:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 20:07:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 20:07:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:07:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:07:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-18 20:07:20,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:20,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596210208] [2022-11-18 20:07:20,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596210208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:20,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:20,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:07:20,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068098917] [2022-11-18 20:07:20,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:20,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:07:20,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:20,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:07:20,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:07:20,194 INFO L87 Difference]: Start difference. First operand 10526 states and 15124 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:07:24,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:42,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:54,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:58,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []