./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:38:06,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:38:06,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:38:06,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:38:06,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:38:06,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:38:06,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:38:06,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:38:06,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:38:06,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:38:06,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:38:06,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:38:06,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:38:06,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:38:06,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:38:06,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:38:06,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:38:06,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:38:06,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:38:06,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:38:06,817 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:38:06,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:38:06,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:38:06,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:38:06,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:38:06,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:38:06,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:38:06,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:38:06,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:38:06,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:38:06,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:38:06,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:38:06,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:38:06,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:38:06,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:38:06,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:38:06,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:38:06,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:38:06,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:38:06,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:38:06,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:38:06,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:38:06,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:38:06,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:38:06,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:38:06,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:38:06,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:38:06,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:38:06,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:38:06,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:38:06,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:38:06,871 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:38:06,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:38:06,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:38:06,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:38:06,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:38:06,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:38:06,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:38:06,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:38:06,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:38:06,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:38:06,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:38:06,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:38:06,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:38:06,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:38:06,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:38:06,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:38:06,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:38:06,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:38:06,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:38:06,875 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:38:06,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:38:06,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:38:06,876 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-12 12:38:07,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:38:07,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:38:07,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:38:07,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:38:07,138 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:38:07,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-12 12:38:07,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd48fd993/1830b615ca2b4123b90629c0f21ff61c/FLAGc787d305d [2022-07-12 12:38:08,032 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:38:08,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-12 12:38:08,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd48fd993/1830b615ca2b4123b90629c0f21ff61c/FLAGc787d305d [2022-07-12 12:38:08,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd48fd993/1830b615ca2b4123b90629c0f21ff61c [2022-07-12 12:38:08,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:38:08,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:38:08,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:38:08,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:38:08,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:38:08,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:38:08" (1/1) ... [2022-07-12 12:38:08,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257e7c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:08, skipping insertion in model container [2022-07-12 12:38:08,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:38:08" (1/1) ... [2022-07-12 12:38:08,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:38:08,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:38:09,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-12 12:38:11,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:38:11,938 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:38:12,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-12 12:38:12,159 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 12:38:12,164 INFO L158 Benchmark]: Toolchain (without parser) took 3926.65ms. Allocated memory was 109.1MB in the beginning and 203.4MB in the end (delta: 94.4MB). Free memory was 77.0MB in the beginning and 114.0MB in the end (delta: -37.0MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-07-12 12:38:12,165 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:38:12,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3923.11ms. Allocated memory was 109.1MB in the beginning and 203.4MB in the end (delta: 94.4MB). Free memory was 76.6MB in the beginning and 114.0MB in the end (delta: -37.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-07-12 12:38:12,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3923.11ms. Allocated memory was 109.1MB in the beginning and 203.4MB in the end (delta: 94.4MB). Free memory was 76.6MB in the beginning and 114.0MB in the end (delta: -37.4MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:38:14,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:38:14,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:38:14,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:38:14,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:38:14,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:38:14,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:38:14,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:38:14,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:38:14,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:38:14,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:38:14,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:38:14,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:38:14,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:38:14,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:38:14,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:38:14,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:38:14,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:38:14,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:38:14,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:38:14,168 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:38:14,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:38:14,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:38:14,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:38:14,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:38:14,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:38:14,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:38:14,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:38:14,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:38:14,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:38:14,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:38:14,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:38:14,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:38:14,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:38:14,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:38:14,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:38:14,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:38:14,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:38:14,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:38:14,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:38:14,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:38:14,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:38:14,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:38:14,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:38:14,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:38:14,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:38:14,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:38:14,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:38:14,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:38:14,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:38:14,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:38:14,234 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:38:14,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:38:14,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:38:14,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:38:14,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:38:14,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:38:14,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:38:14,236 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:38:14,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:38:14,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:38:14,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:38:14,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:38:14,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:38:14,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:38:14,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:38:14,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:38:14,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:38:14,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:38:14,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:38:14,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:38:14,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:38:14,239 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:38:14,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:38:14,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:38:14,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:38:14,240 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-12 12:38:14,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:38:14,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:38:14,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:38:14,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:38:14,587 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:38:14,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-12 12:38:14,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b21d47a/ea338c66ca6c4c71a66fe7de92e4699f/FLAG90cdb2bb4 [2022-07-12 12:38:15,545 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:38:15,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-12 12:38:15,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b21d47a/ea338c66ca6c4c71a66fe7de92e4699f/FLAG90cdb2bb4 [2022-07-12 12:38:16,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6b21d47a/ea338c66ca6c4c71a66fe7de92e4699f [2022-07-12 12:38:16,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:38:16,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:38:16,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:38:16,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:38:16,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:38:16,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:38:16" (1/1) ... [2022-07-12 12:38:16,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376f9095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:16, skipping insertion in model container [2022-07-12 12:38:16,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:38:16" (1/1) ... [2022-07-12 12:38:16,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:38:16,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:38:17,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-12 12:38:19,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:38:19,833 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:38:19,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:38:20,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-12 12:38:20,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:38:20,444 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:38:20,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-12 12:38:20,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:38:20,966 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:38:20,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20 WrapperNode [2022-07-12 12:38:20,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:38:20,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:38:20,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:38:20,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:38:20,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,386 INFO L137 Inliner]: procedures = 420, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8281 [2022-07-12 12:38:21,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:38:21,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:38:21,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:38:21,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:38:21,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:38:21,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:38:21,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:38:21,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:38:21,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (1/1) ... [2022-07-12 12:38:21,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:38:21,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:38:21,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:38:21,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:38:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2022-07-12 12:38:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2022-07-12 12:38:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-12 12:38:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-12 12:38:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2022-07-12 12:38:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2022-07-12 12:38:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-07-12 12:38:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-07-12 12:38:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 12:38:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 12:38:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:38:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:38:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:38:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:38:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:38:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:38:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2022-07-12 12:38:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2022-07-12 12:38:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2022-07-12 12:38:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2022-07-12 12:38:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-12 12:38:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-12 12:38:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2022-07-12 12:38:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2022-07-12 12:38:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:38:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:38:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2022-07-12 12:38:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2022-07-12 12:38:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2022-07-12 12:38:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2022-07-12 12:38:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2022-07-12 12:38:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2022-07-12 12:38:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:38:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:38:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 12:38:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2022-07-12 12:38:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2022-07-12 12:38:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2022-07-12 12:38:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2022-07-12 12:38:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2022-07-12 12:38:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2022-07-12 12:38:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-12 12:38:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-12 12:38:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-12 12:38:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 12:38:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 12:38:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:38:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:38:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:38:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2022-07-12 12:38:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2022-07-12 12:38:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 12:38:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 12:38:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:38:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:38:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:38:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:38:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 12:38:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 12:38:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:38:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:38:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 12:38:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 12:38:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:38:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:38:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:38:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:38:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-12 12:38:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-12 12:38:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:38:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:38:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2022-07-12 12:38:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2022-07-12 12:38:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-07-12 12:38:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-07-12 12:38:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-12 12:38:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-12 12:38:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2022-07-12 12:38:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2022-07-12 12:38:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-07-12 12:38:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-07-12 12:38:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-12 12:38:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:38:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 12:38:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 12:38:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 12:38:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 12:38:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:38:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 12:38:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 12:38:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2022-07-12 12:38:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2022-07-12 12:38:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:38:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:38:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2022-07-12 12:38:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2022-07-12 12:38:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:38:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:38:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:38:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:38:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:38:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2022-07-12 12:38:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2022-07-12 12:38:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2022-07-12 12:38:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2022-07-12 12:38:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2022-07-12 12:38:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2022-07-12 12:38:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-12 12:38:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-12 12:38:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-07-12 12:38:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-07-12 12:38:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:38:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2022-07-12 12:38:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2022-07-12 12:38:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:38:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:38:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 12:38:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 12:38:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:38:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2022-07-12 12:38:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2022-07-12 12:38:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2022-07-12 12:38:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2022-07-12 12:38:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:38:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:38:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:38:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:38:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:38:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:38:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:38:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2022-07-12 12:38:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2022-07-12 12:38:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:38:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:38:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2022-07-12 12:38:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2022-07-12 12:38:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2022-07-12 12:38:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2022-07-12 12:38:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 12:38:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 12:38:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-07-12 12:38:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-07-12 12:38:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:38:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:38:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-12 12:38:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-12 12:38:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:38:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:38:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:38:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:38:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-12 12:38:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-12 12:38:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:38:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:38:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2022-07-12 12:38:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2022-07-12 12:38:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2022-07-12 12:38:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2022-07-12 12:38:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2022-07-12 12:38:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2022-07-12 12:38:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:38:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 12:38:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 12:38:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:38:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2022-07-12 12:38:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2022-07-12 12:38:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2022-07-12 12:38:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2022-07-12 12:38:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-12 12:38:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-12 12:38:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2022-07-12 12:38:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2022-07-12 12:38:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2022-07-12 12:38:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2022-07-12 12:38:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:38:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:38:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2022-07-12 12:38:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2022-07-12 12:38:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:38:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 12:38:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 12:38:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:38:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:38:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 12:38:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 12:38:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2022-07-12 12:38:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2022-07-12 12:38:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:38:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:38:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 12:38:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 12:38:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2022-07-12 12:38:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2022-07-12 12:38:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2022-07-12 12:38:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2022-07-12 12:38:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2022-07-12 12:38:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2022-07-12 12:38:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 12:38:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 12:38:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2022-07-12 12:38:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2022-07-12 12:38:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:38:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:38:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2022-07-12 12:38:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2022-07-12 12:38:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2022-07-12 12:38:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2022-07-12 12:38:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 12:38:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 12:38:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2022-07-12 12:38:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2022-07-12 12:38:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-12 12:38:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-12 12:38:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 12:38:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 12:38:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:38:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:38:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-12 12:38:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-12 12:38:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2022-07-12 12:38:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2022-07-12 12:38:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-12 12:38:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-12 12:38:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:38:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:38:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:38:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:38:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:38:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:38:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2022-07-12 12:38:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2022-07-12 12:38:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2022-07-12 12:38:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2022-07-12 12:38:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2022-07-12 12:38:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2022-07-12 12:38:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2022-07-12 12:38:21,979 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2022-07-12 12:38:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2022-07-12 12:38:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2022-07-12 12:38:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-12 12:38:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-12 12:38:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 12:38:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 12:38:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 12:38:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 12:38:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2022-07-12 12:38:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2022-07-12 12:38:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2022-07-12 12:38:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2022-07-12 12:38:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2022-07-12 12:38:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2022-07-12 12:38:21,985 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2022-07-12 12:38:21,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2022-07-12 12:38:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2022-07-12 12:38:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2022-07-12 12:38:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2022-07-12 12:38:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2022-07-12 12:38:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2022-07-12 12:38:21,986 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2022-07-12 12:38:21,986 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 12:38:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 12:38:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-12 12:38:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-12 12:38:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2022-07-12 12:38:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2022-07-12 12:38:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-12 12:38:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-12 12:38:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-12 12:38:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 12:38:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 12:38:23,104 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:38:23,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:38:28,966 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:40:31,687 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:40:31,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:40:31,711 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-12 12:40:31,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:40:31 BoogieIcfgContainer [2022-07-12 12:40:31,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:40:31,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:40:31,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:40:31,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:40:31,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:38:16" (1/3) ... [2022-07-12 12:40:31,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3973f21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:40:31, skipping insertion in model container [2022-07-12 12:40:31,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:38:20" (2/3) ... [2022-07-12 12:40:31,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3973f21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:40:31, skipping insertion in model container [2022-07-12 12:40:31,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:40:31" (3/3) ... [2022-07-12 12:40:31,727 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-12 12:40:31,744 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:40:31,744 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:40:31,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:40:31,869 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@141a2133, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61b0a18f [2022-07-12 12:40:31,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:40:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2022-07-12 12:40:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-12 12:40:31,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:31,911 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:31,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:31,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:31,919 INFO L85 PathProgramCache]: Analyzing trace with hash -334148442, now seen corresponding path program 1 times [2022-07-12 12:40:31,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:40:31,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927826416] [2022-07-12 12:40:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:40:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:40:31,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:40:32,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:40:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:36,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:40:36,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:40:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-12 12:40:36,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:40:36,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:40:36,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927826416] [2022-07-12 12:40:36,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927826416] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:36,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:36,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:40:36,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255140764] [2022-07-12 12:40:36,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:36,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:40:36,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:40:36,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:40:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:40:36,479 INFO L87 Difference]: Start difference. First operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 12:40:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:38,816 INFO L93 Difference]: Finished difference Result 5370 states and 7993 transitions. [2022-07-12 12:40:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:40:38,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-07-12 12:40:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:38,866 INFO L225 Difference]: With dead ends: 5370 [2022-07-12 12:40:38,866 INFO L226 Difference]: Without dead ends: 2674 [2022-07-12 12:40:38,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:40:38,903 INFO L413 NwaCegarLoop]: 3841 mSDtfsCounter, 2 mSDsluCounter, 7602 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:38,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11443 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 12:40:38,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-07-12 12:40:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-07-12 12:40:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1872 states have (on average 1.3317307692307692) internal successors, (2493), 1890 states have internal predecessors, (2493), 685 states have call successors, (685), 116 states have call predecessors, (685), 116 states have return successors, (721), 684 states have call predecessors, (721), 684 states have call successors, (721) [2022-07-12 12:40:39,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3899 transitions. [2022-07-12 12:40:39,148 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3899 transitions. Word has length 80 [2022-07-12 12:40:39,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:39,149 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3899 transitions. [2022-07-12 12:40:39,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 12:40:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3899 transitions. [2022-07-12 12:40:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-12 12:40:39,155 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:39,155 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:39,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:40:39,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:40:39,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:39,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1024130203, now seen corresponding path program 1 times [2022-07-12 12:40:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:40:39,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357702274] [2022-07-12 12:40:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:39,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:40:39,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:40:39,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:40:39,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:40:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:43,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:40:43,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:40:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-12 12:40:43,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:40:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-12 12:40:44,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:40:44,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357702274] [2022-07-12 12:40:44,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357702274] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:40:44,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:40:44,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-12 12:40:44,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566747255] [2022-07-12 12:40:44,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:40:44,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:40:44,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:40:44,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:40:44,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:40:44,525 INFO L87 Difference]: Start difference. First operand 2674 states and 3899 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 12:40:51,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:51,677 INFO L93 Difference]: Finished difference Result 5340 states and 7981 transitions. [2022-07-12 12:40:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 12:40:51,678 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2022-07-12 12:40:51,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:51,704 INFO L225 Difference]: With dead ends: 5340 [2022-07-12 12:40:51,705 INFO L226 Difference]: Without dead ends: 2685 [2022-07-12 12:40:51,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:40:51,730 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 14 mSDsluCounter, 11221 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 15002 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:51,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15002 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-12 12:40:51,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-12 12:40:51,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2022-07-12 12:40:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 1880 states have (on average 1.3335106382978723) internal successors, (2507), 1898 states have internal predecessors, (2507), 685 states have call successors, (685), 117 states have call predecessors, (685), 117 states have return successors, (758), 684 states have call predecessors, (758), 684 states have call successors, (758) [2022-07-12 12:40:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3950 transitions. [2022-07-12 12:40:51,857 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3950 transitions. Word has length 83 [2022-07-12 12:40:51,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:51,859 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 3950 transitions. [2022-07-12 12:40:51,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 12:40:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3950 transitions. [2022-07-12 12:40:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-12 12:40:51,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:51,862 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:51,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 12:40:52,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:40:52,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:52,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash -393231130, now seen corresponding path program 2 times [2022-07-12 12:40:52,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:40:52,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806225240] [2022-07-12 12:40:52,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:40:52,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:40:52,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:40:52,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:40:52,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:40:55,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:40:55,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:40:55,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:40:55,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:40:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-12 12:40:56,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:40:56,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:40:56,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806225240] [2022-07-12 12:40:56,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806225240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:56,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:56,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:40:56,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448790308] [2022-07-12 12:40:56,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:56,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:40:56,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:40:56,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:40:56,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:40:56,178 INFO L87 Difference]: Start difference. First operand 2683 states and 3950 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 12:40:58,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:58,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:58,835 INFO L93 Difference]: Finished difference Result 7968 states and 11741 transitions. [2022-07-12 12:40:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:40:58,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 88 [2022-07-12 12:40:58,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:58,878 INFO L225 Difference]: With dead ends: 7968 [2022-07-12 12:40:58,878 INFO L226 Difference]: Without dead ends: 5309 [2022-07-12 12:40:58,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:40:58,896 INFO L413 NwaCegarLoop]: 4544 mSDtfsCounter, 3781 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3781 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:58,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3781 Valid, 8384 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 12:40:58,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2022-07-12 12:40:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5307. [2022-07-12 12:40:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 3722 states have (on average 1.335840945728103) internal successors, (4972), 3757 states have internal predecessors, (4972), 1351 states have call successors, (1351), 233 states have call predecessors, (1351), 233 states have return successors, (1461), 1350 states have call predecessors, (1461), 1350 states have call successors, (1461) [2022-07-12 12:40:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7784 transitions. [2022-07-12 12:40:59,231 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7784 transitions. Word has length 88 [2022-07-12 12:40:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:59,232 INFO L495 AbstractCegarLoop]: Abstraction has 5307 states and 7784 transitions. [2022-07-12 12:40:59,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 12:40:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7784 transitions. [2022-07-12 12:40:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-12 12:40:59,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:59,238 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:59,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-12 12:40:59,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:40:59,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:59,457 INFO L85 PathProgramCache]: Analyzing trace with hash -435486850, now seen corresponding path program 1 times [2022-07-12 12:40:59,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:40:59,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83621416] [2022-07-12 12:40:59,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:59,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:40:59,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:40:59,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:40:59,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:41:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:03,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 12:41:03,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-12 12:41:04,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:41:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-12 12:41:05,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:05,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83621416] [2022-07-12 12:41:05,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83621416] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:41:05,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:41:05,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-12 12:41:05,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053702279] [2022-07-12 12:41:05,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:41:05,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 12:41:05,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:05,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 12:41:05,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:41:05,485 INFO L87 Difference]: Start difference. First operand 5307 states and 7784 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 12:41:25,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:25,834 INFO L93 Difference]: Finished difference Result 10641 states and 16324 transitions. [2022-07-12 12:41:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-12 12:41:25,835 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-07-12 12:41:25,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:25,882 INFO L225 Difference]: With dead ends: 10641 [2022-07-12 12:41:25,882 INFO L226 Difference]: Without dead ends: 5351 [2022-07-12 12:41:25,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-07-12 12:41:25,926 INFO L413 NwaCegarLoop]: 3784 mSDtfsCounter, 41 mSDsluCounter, 22459 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 26243 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:25,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 26243 Invalid, 2242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [280 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2022-07-12 12:41:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2022-07-12 12:41:26,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5323. [2022-07-12 12:41:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 3736 states have (on average 1.3369914346895075) internal successors, (4995), 3772 states have internal predecessors, (4995), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-12 12:41:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 7772 transitions. [2022-07-12 12:41:26,257 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 7772 transitions. Word has length 98 [2022-07-12 12:41:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:26,258 INFO L495 AbstractCegarLoop]: Abstraction has 5323 states and 7772 transitions. [2022-07-12 12:41:26,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 12:41:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 7772 transitions. [2022-07-12 12:41:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-12 12:41:26,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:26,268 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:26,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 12:41:26,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:26,490 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:26,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:26,490 INFO L85 PathProgramCache]: Analyzing trace with hash 535438014, now seen corresponding path program 2 times [2022-07-12 12:41:26,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:26,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107926310] [2022-07-12 12:41:26,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:41:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:26,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:26,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:41:30,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:41:30,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:41:30,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:41:30,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-07-12 12:41:30,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:30,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:30,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107926310] [2022-07-12 12:41:30,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107926310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:30,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:30,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:41:30,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925216346] [2022-07-12 12:41:30,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:30,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:41:30,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:30,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:41:30,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:41:30,530 INFO L87 Difference]: Start difference. First operand 5323 states and 7772 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-12 12:41:32,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:32,035 INFO L93 Difference]: Finished difference Result 10615 states and 15496 transitions. [2022-07-12 12:41:32,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:41:32,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2022-07-12 12:41:32,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:32,072 INFO L225 Difference]: With dead ends: 10615 [2022-07-12 12:41:32,072 INFO L226 Difference]: Without dead ends: 5322 [2022-07-12 12:41:32,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:41:32,096 INFO L413 NwaCegarLoop]: 4193 mSDtfsCounter, 4213 mSDsluCounter, 3884 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 8077 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:32,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 8077 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 12:41:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2022-07-12 12:41:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 5322. [2022-07-12 12:41:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3735 states have (on average 1.3362784471218205) internal successors, (4991), 3771 states have internal predecessors, (4991), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-12 12:41:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7768 transitions. [2022-07-12 12:41:32,483 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7768 transitions. Word has length 102 [2022-07-12 12:41:32,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:32,483 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7768 transitions. [2022-07-12 12:41:32,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-12 12:41:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7768 transitions. [2022-07-12 12:41:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-12 12:41:32,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:32,497 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 12, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:32,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-12 12:41:32,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:32,720 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:32,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1111003360, now seen corresponding path program 1 times [2022-07-12 12:41:32,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:32,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062213237] [2022-07-12 12:41:32,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:32,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:32,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:32,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:32,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:41:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:38,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 12:41:38,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 295 proven. 3 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-12 12:41:38,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:41:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-12 12:41:39,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062213237] [2022-07-12 12:41:39,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062213237] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:41:39,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:41:39,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-12 12:41:39,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337400721] [2022-07-12 12:41:39,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:41:39,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 12:41:39,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:39,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 12:41:39,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:41:39,443 INFO L87 Difference]: Start difference. First operand 5322 states and 7768 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 12:41:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:47,722 INFO L93 Difference]: Finished difference Result 10657 states and 15803 transitions. [2022-07-12 12:41:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 12:41:47,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 158 [2022-07-12 12:41:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:47,771 INFO L225 Difference]: With dead ends: 10657 [2022-07-12 12:41:47,772 INFO L226 Difference]: Without dead ends: 5352 [2022-07-12 12:41:47,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-07-12 12:41:47,791 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 47 mSDsluCounter, 11226 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 15007 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:47,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 15007 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-12 12:41:47,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2022-07-12 12:41:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5322. [2022-07-12 12:41:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3736 states have (on average 1.335117773019272) internal successors, (4988), 3770 states have internal predecessors, (4988), 1351 states have call successors, (1351), 235 states have call predecessors, (1351), 234 states have return successors, (1350), 1350 states have call predecessors, (1350), 1350 states have call successors, (1350) [2022-07-12 12:41:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7689 transitions. [2022-07-12 12:41:48,039 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7689 transitions. Word has length 158 [2022-07-12 12:41:48,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:48,041 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7689 transitions. [2022-07-12 12:41:48,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 12:41:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7689 transitions. [2022-07-12 12:41:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-12 12:41:48,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:48,053 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:48,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:48,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:48,276 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash -697719776, now seen corresponding path program 2 times [2022-07-12 12:41:48,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:48,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32578502] [2022-07-12 12:41:48,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:41:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:48,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:41:48,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process