./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 cf1a7837 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_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.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_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eefd235ee9286fb26972c9330c15c8716ca6eda0b1c2e20434464e9f78c9f154 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:58,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:58,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:09:58,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:58,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:58,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:58,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:58,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:58,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:58,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:58,825 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:58,826 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:58,827 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:58,828 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:58,829 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:58,829 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:58,830 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:58,830 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:58,831 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:58,831 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:58,832 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:58,832 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:58,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:58,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:58,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:58,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:58,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:58,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:58,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:58,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:58,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:58,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:58,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:58,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:58,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:58,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:58,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:58,846 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:58,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:58,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:58,847 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:58,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:58,847 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefd235ee9286fb26972c9330c15c8716ca6eda0b1c2e20434464e9f78c9f154 [2023-11-12 00:09:59,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:59,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:59,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:59,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:59,176 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:59,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:10:02,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:03,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:03,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/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 [2023-11-12 00:10:03,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/data/55abbdfa8/73c4922703dc4171a659b9719ae0e59f/FLAG019df4f08 [2023-11-12 00:10:03,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/data/55abbdfa8/73c4922703dc4171a659b9719ae0e59f [2023-11-12 00:10:03,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:03,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:03,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:03,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:03,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:03,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8c6102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:03, skipping insertion in model container [2023-11-12 00:10:03,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:03" (1/1) ... [2023-11-12 00:10:03,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:06,425 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_e3d845bf-22c0-4c78-b911-4286a1238760/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] [2023-11-12 00:10:06,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:06,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:06,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7999] [2023-11-12 00:10:06,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8002] [2023-11-12 00:10:06,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8005] [2023-11-12 00:10:06,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [8008] [2023-11-12 00:10:07,347 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_e3d845bf-22c0-4c78-b911-4286a1238760/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] [2023-11-12 00:10:07,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:07,575 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:07,583 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:07,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07 WrapperNode [2023-11-12 00:10:07,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:07,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:07,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:07,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:07,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:07,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,066 INFO L138 Inliner]: procedures = 276, calls = 3733, calls flagged for inlining = 107, calls inlined = 96, statements flattened = 7668 [2023-11-12 00:10:08,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:08,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:08,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:08,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:08,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:08,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:08,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:08,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:08,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (1/1) ... [2023-11-12 00:10:08,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:08,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:08,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d845bf-22c0-4c78-b911-4286a1238760/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2023-11-12 00:10:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2023-11-12 00:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:10:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:10:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2023-11-12 00:10:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2023-11-12 00:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2023-11-12 00:10:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2023-11-12 00:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2023-11-12 00:10:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2023-11-12 00:10:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:10:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:10:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2023-11-12 00:10:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2023-11-12 00:10:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2023-11-12 00:10:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2023-11-12 00:10:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifioff_hwcfg [2023-11-12 00:10:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifioff_hwcfg [2023-11-12 00:10:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2023-11-12 00:10:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2023-11-12 00:10:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2023-11-12 00:10:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2023-11-12 00:10:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_lps_notify [2023-11-12 00:10:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_lps_notify [2023-11-12 00:10:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2023-11-12 00:10:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2023-11-12 00:10:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_media_status_notify [2023-11-12 00:10:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_media_status_notify [2023-11-12 00:10:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:10:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2023-11-12 00:10:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2023-11-12 00:10:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2023-11-12 00:10:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2023-11-12 00:10:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2023-11-12 00:10:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2023-11-12 00:10:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2023-11-12 00:10:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2023-11-12 00:10:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:10:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2023-11-12 00:10:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2023-11-12 00:10:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2023-11-12 00:10:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2023-11-12 00:10:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2023-11-12 00:10:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2023-11-12 00:10:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2023-11-12 00:10:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2023-11-12 00:10:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_init_hwconfig [2023-11-12 00:10:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_init_hwconfig [2023-11-12 00:10:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2023-11-12 00:10:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2023-11-12 00:10:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2023-11-12 00:10:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2023-11-12 00:10:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:10:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:10:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2023-11-12 00:10:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2023-11-12 00:10:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:10:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:10:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2023-11-12 00:10:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2023-11-12 00:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2023-11-12 00:10:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2023-11-12 00:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2023-11-12 00:10:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2023-11-12 00:10:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2023-11-12 00:10:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2023-11-12 00:10:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2023-11-12 00:10:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2023-11-12 00:10:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:10:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_ant_path [2023-11-12 00:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_ant_path [2023-11-12 00:10:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_init_coex_dm [2023-11-12 00:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_init_coex_dm [2023-11-12 00:10:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2023-11-12 00:10:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2023-11-12 00:10:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2023-11-12 00:10:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2023-11-12 00:10:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2023-11-12 00:10:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2023-11-12 00:10:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2023-11-12 00:10:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2023-11-12 00:10:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2023-11-12 00:10:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2023-11-12 00:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2023-11-12 00:10:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2023-11-12 00:10:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:10:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:10:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:10:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:10:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2023-11-12 00:10:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2023-11-12 00:10:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:10:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2023-11-12 00:10:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2023-11-12 00:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:10:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:10:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2023-11-12 00:10:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2023-11-12 00:10:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2023-11-12 00:10:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2023-11-12 00:10:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2023-11-12 00:10:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2023-11-12 00:10:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:10:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2023-11-12 00:10:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2023-11-12 00:10:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:10:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2023-11-12 00:10:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2023-11-12 00:10:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2023-11-12 00:10:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2023-11-12 00:10:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2023-11-12 00:10:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2023-11-12 00:10:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2023-11-12 00:10:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2023-11-12 00:10:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2023-11-12 00:10:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2023-11-12 00:10:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2023-11-12 00:10:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2023-11-12 00:10:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2023-11-12 00:10:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2023-11-12 00:10:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_special_packet_notify [2023-11-12 00:10:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_special_packet_notify [2023-11-12 00:10:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2023-11-12 00:10:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2023-11-12 00:10:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2023-11-12 00:10:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2023-11-12 00:10:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2023-11-12 00:10:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2023-11-12 00:10:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2023-11-12 00:10:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2023-11-12 00:10:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-12 00:10:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-12 00:10:09,601 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:09,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:12,576 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:10:19,197 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:24,809 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:24,810 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:10:24,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:24 BoogieIcfgContainer [2023-11-12 00:10:24,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:24,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:24,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:24,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:24,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:03" (1/3) ... [2023-11-12 00:10:24,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50887a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:24, skipping insertion in model container [2023-11-12 00:10:24,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:07" (2/3) ... [2023-11-12 00:10:24,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50887a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:24, skipping insertion in model container [2023-11-12 00:10:24,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:24" (3/3) ... [2023-11-12 00:10:24,838 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 [2023-11-12 00:10:24,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:24,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:24,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:24,989 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=FINITE_AUTOMATA, 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;@5486da44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:24,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 2747 states, 1716 states have (on average 1.406177156177156) internal successors, (2413), 1830 states have internal predecessors, (2413), 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) [2023-11-12 00:10:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-12 00:10:25,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:25,020 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 00:10:25,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:25,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:25,028 INFO L85 PathProgramCache]: Analyzing trace with hash 759552280, now seen corresponding path program 1 times [2023-11-12 00:10:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:25,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508248038] [2023-11-12 00:10:25,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:25,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:10:26,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:26,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508248038] [2023-11-12 00:10:26,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508248038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:26,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:26,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:26,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634837334] [2023-11-12 00:10:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:26,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:10:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:10:26,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:10:26,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:26,215 INFO L87 Difference]: Start difference. First operand has 2747 states, 1716 states have (on average 1.406177156177156) internal successors, (2413), 1830 states have internal predecessors, (2413), 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 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-12 00:10:28,580 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 [] [2023-11-12 00:10:30,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:33,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:35,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:37,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:39,085 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 [] [2023-11-12 00:10:42,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:42,121 INFO L93 Difference]: Finished difference Result 7788 states and 12301 transitions. [2023-11-12 00:10:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:10:42,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 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 58 [2023-11-12 00:10:42,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:42,243 INFO L225 Difference]: With dead ends: 7788 [2023-11-12 00:10:42,244 INFO L226 Difference]: Without dead ends: 4800 [2023-11-12 00:10:42,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:42,352 INFO L413 NwaCegarLoop]: 3846 mSDtfsCounter, 4061 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4061 SdHoareTripleChecker+Valid, 7686 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:42,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4061 Valid, 7686 Invalid, 566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 554 Invalid, 5 Unknown, 0 Unchecked, 15.3s Time] [2023-11-12 00:10:42,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2023-11-12 00:10:43,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4800. [2023-11-12 00:10:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4800 states, 3065 states have (on average 1.39836867862969) internal successors, (4286), 3223 states have internal predecessors, (4286), 1650 states have call successors, (1650), 85 states have call predecessors, (1650), 84 states have return successors, (1647), 1513 states have call predecessors, (1647), 1647 states have call successors, (1647) [2023-11-12 00:10:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4800 states and 7583 transitions. [2023-11-12 00:10:43,241 INFO L78 Accepts]: Start accepts. Automaton has 4800 states and 7583 transitions. Word has length 58 [2023-11-12 00:10:43,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:43,242 INFO L495 AbstractCegarLoop]: Abstraction has 4800 states and 7583 transitions. [2023-11-12 00:10:43,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-12 00:10:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 4800 states and 7583 transitions. [2023-11-12 00:10:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:10:43,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:43,252 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 00:10:43,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:10:43,253 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:43,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:43,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1224703094, now seen corresponding path program 1 times [2023-11-12 00:10:43,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:43,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417664919] [2023-11-12 00:10:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:10:43,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:43,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417664919] [2023-11-12 00:10:43,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417664919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:43,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:43,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:43,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242521174] [2023-11-12 00:10:43,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:43,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:10:43,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:10:43,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:10:43,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:43,799 INFO L87 Difference]: Start difference. First operand 4800 states and 7583 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-12 00:10:44,848 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 [] [2023-11-12 00:10:46,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:48,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []