./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/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_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eefd235ee9286fb26972c9330c15c8716ca6eda0b1c2e20434464e9f78c9f154 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:24:25,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:24:25,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:24:25,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:24:25,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:24:25,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:24:25,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:24:25,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:24:25,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:24:25,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:24:25,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:24:25,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:24:25,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:24:25,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:24:25,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:24:25,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:24:25,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:24:25,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:24:25,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:24:25,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:24:25,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:24:25,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:24:25,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:24:25,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:24:25,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:24:25,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:24:25,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:24:25,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:24:25,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:24:25,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:24:25,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:24:25,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:24:25,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:24:25,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:24:25,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:24:25,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:24:25,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:24:25,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:24:25,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:24:25,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:24:25,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:24:25,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:24:25,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:24:25,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:24:25,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:24:25,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:24:25,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:24:25,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:24:25,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:24:25,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:24:25,690 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:24:25,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:24:25,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:24:25,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:24:25,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:24:25,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:24:25,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:24:25,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:24:25,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:24:25,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:24:25,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:24:25,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:24:25,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:24:25,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:24:25,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:24:25,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:24:25,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:24:25,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:24:25,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:24:25,698 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:24:25,699 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:24:25,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:24:25,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefd235ee9286fb26972c9330c15c8716ca6eda0b1c2e20434464e9f78c9f154 [2022-10-17 10:24:26,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:24:26,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:24:26,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:24:26,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:24:26,081 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:24:26,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/../../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 [2022-10-17 10:24:26,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/data/2615f4a4c/f2c085741d8d40ea8e75b4f2fbcced84/FLAG8e3aa0387 [2022-10-17 10:24:27,210 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:24:27,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/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 [2022-10-17 10:24:27,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/data/2615f4a4c/f2c085741d8d40ea8e75b4f2fbcced84/FLAG8e3aa0387 [2022-10-17 10:24:27,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/data/2615f4a4c/f2c085741d8d40ea8e75b4f2fbcced84 [2022-10-17 10:24:27,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:24:27,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:24:27,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:24:27,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:24:27,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:24:27,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:24:27" (1/1) ... [2022-10-17 10:24:27,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272ce043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:27, skipping insertion in model container [2022-10-17 10:24:27,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:24:27" (1/1) ... [2022-10-17 10:24:27,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:24:27,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:24:31,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/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] [2022-10-17 10:24:31,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:24:31,753 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:24:32,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/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] [2022-10-17 10:24:32,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:24:32,798 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:24:32,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32 WrapperNode [2022-10-17 10:24:32,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:24:32,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:24:32,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:24:32,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:24:32,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,369 INFO L138 Inliner]: procedures = 276, calls = 3498, calls flagged for inlining = 107, calls inlined = 96, statements flattened = 6427 [2022-10-17 10:24:33,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:24:33,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:24:33,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:24:33,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:24:33,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:24:33,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:24:33,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:24:33,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:24:33,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (1/1) ... [2022-10-17 10:24:33,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:24:33,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:24:33,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:24:33,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529c495a-1728-42a0-a09f-3b4e00edf4a7/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:24:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-17 10:24:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-17 10:24:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:24:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:24:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:24:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:24:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-10-17 10:24:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-10-17 10:24:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2022-10-17 10:24:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2022-10-17 10:24:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-10-17 10:24:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-10-17 10:24:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:24:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:24:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2022-10-17 10:24:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2022-10-17 10:24:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-10-17 10:24:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-10-17 10:24:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifioff_hwcfg [2022-10-17 10:24:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifioff_hwcfg [2022-10-17 10:24:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-10-17 10:24:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-10-17 10:24:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-17 10:24:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-17 10:24:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:24:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:24:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_lps_notify [2022-10-17 10:24:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_lps_notify [2022-10-17 10:24:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2022-10-17 10:24:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2022-10-17 10:24:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_media_status_notify [2022-10-17 10:24:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_media_status_notify [2022-10-17 10:24:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:24:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2022-10-17 10:24:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2022-10-17 10:24:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2022-10-17 10:24:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2022-10-17 10:24:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-10-17 10:24:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-10-17 10:24:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2022-10-17 10:24:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2022-10-17 10:24:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:24:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2022-10-17 10:24:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2022-10-17 10:24:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2022-10-17 10:24:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2022-10-17 10:24:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-17 10:24:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-17 10:24:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2022-10-17 10:24:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2022-10-17 10:24:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_init_hwconfig [2022-10-17 10:24:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_init_hwconfig [2022-10-17 10:24:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2022-10-17 10:24:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2022-10-17 10:24:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-17 10:24:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-17 10:24:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:24:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:24:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2022-10-17 10:24:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2022-10-17 10:24:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2022-10-17 10:24:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2022-10-17 10:24:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-17 10:24:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-17 10:24:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2022-10-17 10:24:34,015 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2022-10-17 10:24:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2022-10-17 10:24:34,016 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2022-10-17 10:24:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-17 10:24:34,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-17 10:24:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:24:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_ant_path [2022-10-17 10:24:34,018 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_ant_path [2022-10-17 10:24:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_init_coex_dm [2022-10-17 10:24:34,018 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_init_coex_dm [2022-10-17 10:24:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2022-10-17 10:24:34,018 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2022-10-17 10:24:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2022-10-17 10:24:34,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2022-10-17 10:24:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2022-10-17 10:24:34,019 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2022-10-17 10:24:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2022-10-17 10:24:34,019 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2022-10-17 10:24:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-17 10:24:34,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-17 10:24:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:24:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2022-10-17 10:24:34,020 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2022-10-17 10:24:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:24:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:24:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:24:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:24:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-17 10:24:34,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-17 10:24:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:24:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2022-10-17 10:24:34,023 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2022-10-17 10:24:34,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:24:34,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:24:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2022-10-17 10:24:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2022-10-17 10:24:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:24:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2022-10-17 10:24:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2022-10-17 10:24:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2022-10-17 10:24:34,025 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2022-10-17 10:24:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:24:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-17 10:24:34,026 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-17 10:24:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:24:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2022-10-17 10:24:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2022-10-17 10:24:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2022-10-17 10:24:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2022-10-17 10:24:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2022-10-17 10:24:34,027 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2022-10-17 10:24:34,027 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2022-10-17 10:24:34,028 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2022-10-17 10:24:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2022-10-17 10:24:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2022-10-17 10:24:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-17 10:24:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-17 10:24:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2022-10-17 10:24:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2022-10-17 10:24:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_special_packet_notify [2022-10-17 10:24:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_special_packet_notify [2022-10-17 10:24:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-10-17 10:24:34,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-10-17 10:24:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2022-10-17 10:24:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2022-10-17 10:24:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2022-10-17 10:24:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2022-10-17 10:24:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:24:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2022-10-17 10:24:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2022-10-17 10:24:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:24:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:24:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-17 10:24:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-17 10:24:35,271 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:24:35,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:24:37,804 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:24:44,117 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:24:44,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:24:44,154 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 10:24:44,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:24:44 BoogieIcfgContainer [2022-10-17 10:24:44,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:24:44,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:24:44,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:24:44,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:24:44,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:24:27" (1/3) ... [2022-10-17 10:24:44,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1223a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:24:44, skipping insertion in model container [2022-10-17 10:24:44,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:24:32" (2/3) ... [2022-10-17 10:24:44,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1223a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:24:44, skipping insertion in model container [2022-10-17 10:24:44,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:24:44" (3/3) ... [2022-10-17 10:24:44,175 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 [2022-10-17 10:24:44,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:24:44,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:24:44,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:24:44,349 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13c18e57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:24:44,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:24:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 2781 states, 1917 states have (on average 1.4663536776212833) internal successors, (2811), 2031 states have internal predecessors, (2811), 800 states have call successors, (800), 63 states have call predecessors, (800), 62 states have return successors, (797), 705 states have call predecessors, (797), 797 states have call successors, (797) [2022-10-17 10:24:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 10:24:44,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:24:44,380 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] [2022-10-17 10:24:44,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:24:44,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:24:44,387 INFO L85 PathProgramCache]: Analyzing trace with hash -196699995, now seen corresponding path program 1 times [2022-10-17 10:24:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:24:44,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084423113] [2022-10-17 10:24:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:24:44,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:24:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:24:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:24:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:24:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:24:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:24:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:24:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:24:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:24:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:24:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:24:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:24:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-17 10:24:45,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:24:45,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084423113] [2022-10-17 10:24:45,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084423113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:24:45,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:24:45,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:24:45,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40263359] [2022-10-17 10:24:45,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:24:45,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:24:45,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:24:45,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:24:45,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:24:45,604 INFO L87 Difference]: Start difference. First operand has 2781 states, 1917 states have (on average 1.4663536776212833) internal successors, (2811), 2031 states have internal predecessors, (2811), 800 states have call successors, (800), 63 states have call predecessors, (800), 62 states have return successors, (797), 705 states have call predecessors, (797), 797 states have call successors, (797) 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) [2022-10-17 10:24:47,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:24:49,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:24:51,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []