./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 eefd235ee9286fb26972c9330c15c8716ca6eda0b1c2e20434464e9f78c9f154 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:45,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:46,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:42:46,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:46,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:46,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:46,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:46,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:46,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:46,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:46,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:46,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:46,183 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:46,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:46,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:46,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:46,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:46,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:46,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:46,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:46,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:46,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:46,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:46,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:46,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:46,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:46,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:46,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:46,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:46,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:46,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:46,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:46,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:46,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:46,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:46,197 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:46,198 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefd235ee9286fb26972c9330c15c8716ca6eda0b1c2e20434464e9f78c9f154 [2023-11-19 07:42:46,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:46,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:46,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:46,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:46,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:46,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2023-11-19 07:42:49,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:50,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:50,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2023-11-19 07:42:50,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/data/539812be7/3b9ff7213ab7487f9779db32c98f46b2/FLAGa7a2b6102 [2023-11-19 07:42:50,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/data/539812be7/3b9ff7213ab7487f9779db32c98f46b2 [2023-11-19 07:42:50,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:50,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:50,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:50,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:50,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:50,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:50" (1/1) ... [2023-11-19 07:42:50,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbebd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50, skipping insertion in model container [2023-11-19 07:42:50,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:50" (1/1) ... [2023-11-19 07:42:51,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:53,746 WARN L240 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_4e9b9913-b7e9-4d57-87cc-face56ed55a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[429142,429155] [2023-11-19 07:42:53,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:54,005 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:54,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7999] [2023-11-19 07:42:54,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8002] [2023-11-19 07:42:54,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8005] [2023-11-19 07:42:54,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8008] [2023-11-19 07:42:54,806 WARN L240 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_4e9b9913-b7e9-4d57-87cc-face56ed55a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[429142,429155] [2023-11-19 07:42:54,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:55,071 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:55,080 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:55,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55 WrapperNode [2023-11-19 07:42:55,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:55,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:55,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:55,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:55,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,610 INFO L138 Inliner]: procedures = 276, calls = 3733, calls flagged for inlining = 107, calls inlined = 96, statements flattened = 7668 [2023-11-19 07:42:55,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:55,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:55,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:55,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:55,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:55,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:56,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:56,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:56,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:56,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:56,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (1/1) ... [2023-11-19 07:42:56,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:56,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:56,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:56,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9b9913-b7e9-4d57-87cc-face56ed55a2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2023-11-19 07:42:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2023-11-19 07:42:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:42:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:42:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:42:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:42:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2023-11-19 07:42:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2023-11-19 07:42:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2023-11-19 07:42:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2023-11-19 07:42:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2023-11-19 07:42:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2023-11-19 07:42:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:42:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:42:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2023-11-19 07:42:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2023-11-19 07:42:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2023-11-19 07:42:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2023-11-19 07:42:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifioff_hwcfg [2023-11-19 07:42:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifioff_hwcfg [2023-11-19 07:42:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2023-11-19 07:42:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2023-11-19 07:42:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2023-11-19 07:42:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2023-11-19 07:42:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:42:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:42:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_lps_notify [2023-11-19 07:42:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_lps_notify [2023-11-19 07:42:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2023-11-19 07:42:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2023-11-19 07:42:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_media_status_notify [2023-11-19 07:42:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_media_status_notify [2023-11-19 07:42:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2023-11-19 07:42:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2023-11-19 07:42:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2023-11-19 07:42:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2023-11-19 07:42:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2023-11-19 07:42:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2023-11-19 07:42:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2023-11-19 07:42:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2023-11-19 07:42:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2023-11-19 07:42:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2023-11-19 07:42:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2023-11-19 07:42:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2023-11-19 07:42:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2023-11-19 07:42:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2023-11-19 07:42:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2023-11-19 07:42:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2023-11-19 07:42:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_init_hwconfig [2023-11-19 07:42:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_init_hwconfig [2023-11-19 07:42:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2023-11-19 07:42:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2023-11-19 07:42:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2023-11-19 07:42:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2023-11-19 07:42:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:42:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2023-11-19 07:42:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2023-11-19 07:42:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:42:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:42:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2023-11-19 07:42:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2023-11-19 07:42:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2023-11-19 07:42:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2023-11-19 07:42:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2023-11-19 07:42:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2023-11-19 07:42:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2023-11-19 07:42:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2023-11-19 07:42:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2023-11-19 07:42:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2023-11-19 07:42:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:42:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_ant_path [2023-11-19 07:42:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_ant_path [2023-11-19 07:42:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_init_coex_dm [2023-11-19 07:42:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_init_coex_dm [2023-11-19 07:42:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2023-11-19 07:42:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2023-11-19 07:42:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2023-11-19 07:42:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2023-11-19 07:42:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2023-11-19 07:42:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2023-11-19 07:42:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2023-11-19 07:42:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2023-11-19 07:42:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2023-11-19 07:42:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2023-11-19 07:42:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:42:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2023-11-19 07:42:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2023-11-19 07:42:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:42:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:42:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:42:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:42:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2023-11-19 07:42:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2023-11-19 07:42:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2023-11-19 07:42:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2023-11-19 07:42:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:42:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:42:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2023-11-19 07:42:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2023-11-19 07:42:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2023-11-19 07:42:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2023-11-19 07:42:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2023-11-19 07:42:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2023-11-19 07:42:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2023-11-19 07:42:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2023-11-19 07:42:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:42:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2023-11-19 07:42:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2023-11-19 07:42:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2023-11-19 07:42:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2023-11-19 07:42:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2023-11-19 07:42:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2023-11-19 07:42:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2023-11-19 07:42:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2023-11-19 07:42:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2023-11-19 07:42:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2023-11-19 07:42:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2023-11-19 07:42:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2023-11-19 07:42:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2023-11-19 07:42:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2023-11-19 07:42:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_special_packet_notify [2023-11-19 07:42:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_special_packet_notify [2023-11-19 07:42:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2023-11-19 07:42:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2023-11-19 07:42:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2023-11-19 07:42:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2023-11-19 07:42:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2023-11-19 07:42:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2023-11-19 07:42:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2023-11-19 07:42:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2023-11-19 07:42:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:56,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-19 07:42:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-19 07:42:57,108 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:57,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:59,832 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:43:05,901 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:43:05,937 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:43:05,938 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:43:05,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:05 BoogieIcfgContainer [2023-11-19 07:43:05,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:43:05,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:43:05,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:43:05,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:43:05,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:50" (1/3) ... [2023-11-19 07:43:05,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b51d913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:05, skipping insertion in model container [2023-11-19 07:43:05,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:55" (2/3) ... [2023-11-19 07:43:05,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b51d913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:05, skipping insertion in model container [2023-11-19 07:43:05,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:05" (3/3) ... [2023-11-19 07:43:05,984 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2023-11-19 07:43:06,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:43:06,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:43:06,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:43:06,151 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=LoopHeads, 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;@1f227fb6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:43:06,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:43:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 3419 states, 2388 states have (on average 1.501675041876047) internal successors, (3586), 2502 states have internal predecessors, (3586), 966 states have call successors, (966), 64 states have call predecessors, (966), 63 states have return successors, (963), 871 states have call predecessors, (963), 963 states have call successors, (963) [2023-11-19 07:43:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 07:43:06,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:43:06,190 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:06,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:43:06,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:06,197 INFO L85 PathProgramCache]: Analyzing trace with hash 728814543, now seen corresponding path program 1 times [2023-11-19 07:43:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:06,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633071221] [2023-11-19 07:43:06,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:06,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:43:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:43:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:43:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:43:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:43:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:43:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:43:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:43:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:43:07,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:07,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633071221] [2023-11-19 07:43:07,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633071221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:07,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:07,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:43:07,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820974781] [2023-11-19 07:43:07,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:07,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:43:07,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:07,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:43:07,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:43:07,354 INFO L87 Difference]: Start difference. First operand has 3419 states, 2388 states have (on average 1.501675041876047) internal successors, (3586), 2502 states have internal predecessors, (3586), 966 states have call successors, (966), 64 states have call predecessors, (966), 63 states have return successors, (963), 871 states have call predecessors, (963), 963 states have call successors, (963) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:43:19,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:43:19,487 INFO L93 Difference]: Finished difference Result 6781 states and 11098 transitions. [2023-11-19 07:43:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:43:19,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 79 [2023-11-19 07:43:19,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:43:19,584 INFO L225 Difference]: With dead ends: 6781 [2023-11-19 07:43:19,584 INFO L226 Difference]: Without dead ends: 3293 [2023-11-19 07:43:19,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:19,693 INFO L413 NwaCegarLoop]: 4707 mSDtfsCounter, 1848 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 3534 mSolverCounterSat, 2229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 9377 SdHoareTripleChecker+Invalid, 5763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2229 IncrementalHoareTripleChecker+Valid, 3534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:43:19,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 9377 Invalid, 5763 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2229 Valid, 3534 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2023-11-19 07:43:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2023-11-19 07:43:20,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 2985. [2023-11-19 07:43:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2985 states, 2108 states have (on average 1.49573055028463) internal successors, (3153), 2188 states have internal predecessors, (3153), 832 states have call successors, (832), 45 states have call predecessors, (832), 44 states have return successors, (829), 762 states have call predecessors, (829), 829 states have call successors, (829) [2023-11-19 07:43:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 4814 transitions. [2023-11-19 07:43:20,172 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 4814 transitions. Word has length 79 [2023-11-19 07:43:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:43:20,173 INFO L495 AbstractCegarLoop]: Abstraction has 2985 states and 4814 transitions. [2023-11-19 07:43:20,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:43:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 4814 transitions. [2023-11-19 07:43:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 07:43:20,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:43:20,186 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:20,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:43:20,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:43:20,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1682754701, now seen corresponding path program 1 times [2023-11-19 07:43:20,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:20,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437970040] [2023-11-19 07:43:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:20,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:43:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:43:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:43:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:43:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:43:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:43:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:43:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:43:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:43:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:43:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:43:21,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:21,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437970040] [2023-11-19 07:43:21,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437970040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:21,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:21,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:43:21,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266172032] [2023-11-19 07:43:21,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:21,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:43:21,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:21,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:43:21,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:21,017 INFO L87 Difference]: Start difference. First operand 2985 states and 4814 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:43:32,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:43:32,617 INFO L93 Difference]: Finished difference Result 9490 states and 15614 transitions. [2023-11-19 07:43:32,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:43:32,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 79 [2023-11-19 07:43:32,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:43:32,752 INFO L225 Difference]: With dead ends: 9490 [2023-11-19 07:43:32,756 INFO L226 Difference]: Without dead ends: 6529 [2023-11-19 07:43:32,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:43:32,812 INFO L413 NwaCegarLoop]: 4200 mSDtfsCounter, 9066 mSDsluCounter, 6427 mSDsCounter, 0 mSdLazyCounter, 3133 mSolverCounterSat, 6331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9427 SdHoareTripleChecker+Valid, 10627 SdHoareTripleChecker+Invalid, 9464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6331 IncrementalHoareTripleChecker+Valid, 3133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:43:32,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9427 Valid, 10627 Invalid, 9464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6331 Valid, 3133 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-11-19 07:43:32,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states.