./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-08_1a-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_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/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_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/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_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/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 050fd30cd52b5257f5abb9987708941e19eb2524ff9fca178aa5cf81d315756f --- 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 10:25:02,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:25:02,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:25:02,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:25:02,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:25:02,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:25:02,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:25:02,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:25:02,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:25:02,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:25:02,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:25:02,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:25:02,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:25:02,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:25:02,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:25:02,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:25:02,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:25:02,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:25:02,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:25:02,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:25:02,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:25:02,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:25:02,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:25:02,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:25:02,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:25:02,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:25:02,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:25:02,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:25:02,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:25:02,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:25:02,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:25:02,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:25:02,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:25:02,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:25:02,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:25:02,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:25:02,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:25:02,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:25:02,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:25:02,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:25:02,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:25:02,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:25:02,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:25:02,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:25:02,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:25:02,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:25:02,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:25:02,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:25:02,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:25:02,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:25:02,806 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:25:02,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:25:02,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:25:02,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:25:02,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:25:02,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:25:02,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:25:02,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:25:02,808 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:25:02,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:25:02,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:25:02,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:25:02,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:25:02,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:25:02,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:25:02,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:25:02,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:25:02,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:25:02,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:25:02,811 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:25:02,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:25:02,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:25:02,812 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_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 050fd30cd52b5257f5abb9987708941e19eb2524ff9fca178aa5cf81d315756f [2022-10-17 10:25:03,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:25:03,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:25:03,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:25:03,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:25:03,199 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:25:03,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-17 10:25:03,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/data/aacbfa853/8b89ec6597f94ea89d955a16e10fceea/FLAGed76ca282 [2022-10-17 10:25:04,342 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:25:04,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-17 10:25:04,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/data/aacbfa853/8b89ec6597f94ea89d955a16e10fceea/FLAGed76ca282 [2022-10-17 10:25:04,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/data/aacbfa853/8b89ec6597f94ea89d955a16e10fceea [2022-10-17 10:25:04,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:25:04,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:25:04,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:25:04,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:25:04,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:25:04,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:25:04" (1/1) ... [2022-10-17 10:25:04,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a520dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:04, skipping insertion in model container [2022-10-17 10:25:04,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:25:04" (1/1) ... [2022-10-17 10:25:04,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:25:04,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:25:07,740 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_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[424156,424169] [2022-10-17 10:25:07,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:25:07,834 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:25:08,556 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_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[424156,424169] [2022-10-17 10:25:08,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:25:08,762 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:25:08,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08 WrapperNode [2022-10-17 10:25:08,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:25:08,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:25:08,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:25:08,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:25:08,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:08,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,196 INFO L138 Inliner]: procedures = 223, calls = 3404, calls flagged for inlining = 107, calls inlined = 96, statements flattened = 6421 [2022-10-17 10:25:09,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:25:09,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:25:09,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:25:09,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:25:09,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,466 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:25:09,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:25:09,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:25:09,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:25:09,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (1/1) ... [2022-10-17 10:25:09,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:25:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:25:09,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:25:09,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6824d44a-25ff-4ccc-b06e-fa5c698dd5f3/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:25:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-17 10:25:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-17 10:25:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:25:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:25:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:25:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:25:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-10-17 10:25:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-10-17 10:25:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2022-10-17 10:25:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2022-10-17 10:25:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-10-17 10:25:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-10-17 10:25:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:25:09,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:25:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2022-10-17 10:25:09,610 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2022-10-17 10:25:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-10-17 10:25:09,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-10-17 10:25:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifioff_hwcfg [2022-10-17 10:25:09,610 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifioff_hwcfg [2022-10-17 10:25:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-10-17 10:25:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-10-17 10:25:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-17 10:25:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-17 10:25:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:25:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:25:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_lps_notify [2022-10-17 10:25:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_lps_notify [2022-10-17 10:25:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2022-10-17 10:25:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2022-10-17 10:25:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_media_status_notify [2022-10-17 10:25:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_media_status_notify [2022-10-17 10:25:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:25:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2022-10-17 10:25:09,612 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2022-10-17 10:25:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2022-10-17 10:25:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2022-10-17 10:25:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-10-17 10:25:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-10-17 10:25:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2022-10-17 10:25:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2022-10-17 10:25:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:25:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2022-10-17 10:25:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2022-10-17 10:25:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2022-10-17 10:25:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2022-10-17 10:25:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-17 10:25:09,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-17 10:25:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2022-10-17 10:25:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2022-10-17 10:25:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ex_btc8723b2ant_init_hwconfig [2022-10-17 10:25:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ex_btc8723b2ant_init_hwconfig [2022-10-17 10:25:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2022-10-17 10:25:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2022-10-17 10:25:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-17 10:25:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-17 10:25:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:25:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:25:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2022-10-17 10:25:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2022-10-17 10:25:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2022-10-17 10:25:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2022-10-17 10:25:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-17 10:25:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-17 10:25:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2022-10-17 10:25:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2022-10-17 10:25:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2022-10-17 10:25:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2022-10-17 10:25:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-17 10:25:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-17 10:25:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:25:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_ant_path [2022-10-17 10:25:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_ant_path [2022-10-17 10:25:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_init_coex_dm [2022-10-17 10:25:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_init_coex_dm [2022-10-17 10:25:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2022-10-17 10:25:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2022-10-17 10:25:09,622 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 10:25:09,622 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 10:25:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2022-10-17 10:25:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2022-10-17 10:25:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2022-10-17 10:25:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2022-10-17 10:25:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-17 10:25:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-17 10:25:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:25:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2022-10-17 10:25:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2022-10-17 10:25:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:25:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:25:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:25:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:25:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-17 10:25:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-17 10:25:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:25:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2022-10-17 10:25:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2022-10-17 10:25:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:25:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:25:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2022-10-17 10:25:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2022-10-17 10:25:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:25:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2022-10-17 10:25:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2022-10-17 10:25:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2022-10-17 10:25:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2022-10-17 10:25:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:25:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-17 10:25:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-17 10:25:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:25:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2022-10-17 10:25:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2022-10-17 10:25:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2022-10-17 10:25:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2022-10-17 10:25:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2022-10-17 10:25:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2022-10-17 10:25:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2022-10-17 10:25:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2022-10-17 10:25:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2022-10-17 10:25:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2022-10-17 10:25:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-17 10:25:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-17 10:25:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2022-10-17 10:25:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2022-10-17 10:25:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_special_packet_notify [2022-10-17 10:25:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_special_packet_notify [2022-10-17 10:25:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-10-17 10:25:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-10-17 10:25:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2022-10-17 10:25:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2022-10-17 10:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2022-10-17 10:25:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2022-10-17 10:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2022-10-17 10:25:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2022-10-17 10:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:25:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:25:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-17 10:25:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-17 10:25:10,552 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:25:10,568 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:25:12,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:25:17,249 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:25:17,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:25:17,281 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 10:25:17,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:25:17 BoogieIcfgContainer [2022-10-17 10:25:17,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:25:17,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:25:17,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:25:17,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:25:17,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:25:04" (1/3) ... [2022-10-17 10:25:17,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b436b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:25:17, skipping insertion in model container [2022-10-17 10:25:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:25:08" (2/3) ... [2022-10-17 10:25:17,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b436b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:25:17, skipping insertion in model container [2022-10-17 10:25:17,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:25:17" (3/3) ... [2022-10-17 10:25:17,305 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-17 10:25:17,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:25:17,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:25:17,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:25:17,487 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;@7fda534b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:25:17,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:25:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 2777 states, 1915 states have (on average 1.4657963446475195) internal successors, (2807), 2027 states have internal predecessors, (2807), 798 states have call successors, (798), 63 states have call predecessors, (798), 62 states have return successors, (795), 703 states have call predecessors, (795), 795 states have call successors, (795) [2022-10-17 10:25:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 10:25:17,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:25:17,525 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 10:25:17,526 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:25:17,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:25:17,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1160417805, now seen corresponding path program 1 times [2022-10-17 10:25:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:25:17,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564957343] [2022-10-17 10:25:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:25:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:25:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:25:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:25:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:25:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:25:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:25:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:25:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:25:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:25:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:25:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:18,740 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 10:25:18,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:25:18,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564957343] [2022-10-17 10:25:18,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564957343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:25:18,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:25:18,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:25:18,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361288198] [2022-10-17 10:25:18,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:25:18,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:25:18,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:25:18,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:25:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:25:18,792 INFO L87 Difference]: Start difference. First operand has 2777 states, 1915 states have (on average 1.4657963446475195) internal successors, (2807), 2027 states have internal predecessors, (2807), 798 states have call successors, (798), 63 states have call predecessors, (798), 62 states have return successors, (795), 703 states have call predecessors, (795), 795 states have call successors, (795) 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 10:25:21,070 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 10:25:22,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:25:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:25:30,245 INFO L93 Difference]: Finished difference Result 5507 states and 8881 transitions. [2022-10-17 10:25:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:25:30,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 79 [2022-10-17 10:25:30,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:25:30,333 INFO L225 Difference]: With dead ends: 5507 [2022-10-17 10:25:30,333 INFO L226 Difference]: Without dead ends: 2720 [2022-10-17 10:25:30,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:25:30,428 INFO L413 NwaCegarLoop]: 4008 mSDtfsCounter, 1259 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 1819 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 7757 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1819 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-10-17 10:25:30,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 7757 Invalid, 4738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1819 Valid, 2918 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-10-17 10:25:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2022-10-17 10:25:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2416. [2022-10-17 10:25:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2416 states, 1693 states have (on average 1.4571766095688128) internal successors, (2467), 1771 states have internal predecessors, (2467), 679 states have call successors, (679), 44 states have call predecessors, (679), 43 states have return successors, (678), 611 states have call predecessors, (678), 678 states have call successors, (678) [2022-10-17 10:25:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 3824 transitions. [2022-10-17 10:25:30,838 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 3824 transitions. Word has length 79 [2022-10-17 10:25:30,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:25:30,839 INFO L495 AbstractCegarLoop]: Abstraction has 2416 states and 3824 transitions. [2022-10-17 10:25:30,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-17 10:25:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3824 transitions. [2022-10-17 10:25:30,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 10:25:30,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:25:30,843 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 10:25:30,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:25:30,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:25:30,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:25:30,845 INFO L85 PathProgramCache]: Analyzing trace with hash -206477647, now seen corresponding path program 1 times [2022-10-17 10:25:30,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:25:30,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511698880] [2022-10-17 10:25:30,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:25:30,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:25:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:25:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:25:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:25:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:25:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:25:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:25:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:25:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:25:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:25:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:25:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:25:31,552 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 10:25:31,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:25:31,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511698880] [2022-10-17 10:25:31,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511698880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:25:31,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:25:31,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:25:31,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925111719] [2022-10-17 10:25:31,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:25:31,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:25:31,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:25:31,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:25:31,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:25:31,561 INFO L87 Difference]: Start difference. First operand 2416 states and 3824 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-17 10:25:33,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []