./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.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 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:32:39,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:32:39,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:32:39,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:32:39,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:32:39,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:32:39,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:32:39,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:32:39,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:32:39,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:32:39,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:32:39,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:32:39,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:32:39,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:32:39,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:32:39,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:32:39,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:32:39,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:32:39,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:32:39,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:32:39,173 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:32:39,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:32:39,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:32:39,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:32:39,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:32:39,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:32:39,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:32:39,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:32:39,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:32:39,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:32:39,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:32:39,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:32:39,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:32:39,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:32:39,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:32:39,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:32:39,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:32:39,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:32:39,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:32:39,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:32:39,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:32:39,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:32:39,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:32:39,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:32:39,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:32:39,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:32:39,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:32:39,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:32:39,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:32:39,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:32:39,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:32:39,224 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:32:39,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:32:39,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:32:39,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:32:39,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:32:39,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:32:39,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:32:39,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:32:39,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:32:39,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:32:39,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:32:39,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:32:39,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:32:39,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:32:39,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:32:39,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:32:39,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:32:39,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:32:39,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:32:39,228 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:32:39,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:32:39,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:32:39,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-14 00:32:39,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:32:39,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:32:39,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:32:39,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:32:39,479 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:32:39,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-14 00:32:39,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b1f8672/15529b9c4c374849aa6a2c7e8b33c804/FLAGc320a333b [2022-07-14 00:32:40,207 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:32:40,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-14 00:32:40,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b1f8672/15529b9c4c374849aa6a2c7e8b33c804/FLAGc320a333b [2022-07-14 00:32:40,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b1f8672/15529b9c4c374849aa6a2c7e8b33c804 [2022-07-14 00:32:40,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:32:40,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:32:40,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:32:40,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:32:40,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:32:40,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:32:40" (1/1) ... [2022-07-14 00:32:40,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c56af81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:40, skipping insertion in model container [2022-07-14 00:32:40,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:32:40" (1/1) ... [2022-07-14 00:32:40,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:32:40,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:32:41,111 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-14 00:32:41,112 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-14 00:32:41,332 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-14 00:32:42,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:32:42,170 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:32:42,292 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-14 00:32:42,293 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-14 00:32:42,300 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-14 00:32:42,367 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: val = (unsigned int )val & 3U [7145] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-14 00:32:42,371 INFO L158 Benchmark]: Toolchain (without parser) took 1846.29ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 67.1MB in the beginning and 76.7MB in the end (delta: -9.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-07-14 00:32:42,371 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:32:42,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1843.45ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 66.9MB in the beginning and 76.7MB in the end (delta: -9.8MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-07-14 00:32:42,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1843.45ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 66.9MB in the beginning and 76.7MB in the end (delta: -9.8MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: val = (unsigned int )val & 3U [7145] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: val = (unsigned int )val & 3U [7145]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.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 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:32:44,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:32:44,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:32:44,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:32:44,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:32:44,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:32:44,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:32:44,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:32:44,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:32:44,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:32:44,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:32:44,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:32:44,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:32:44,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:32:44,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:32:44,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:32:44,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:32:44,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:32:44,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:32:44,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:32:44,124 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:32:44,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:32:44,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:32:44,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:32:44,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:32:44,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:32:44,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:32:44,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:32:44,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:32:44,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:32:44,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:32:44,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:32:44,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:32:44,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:32:44,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:32:44,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:32:44,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:32:44,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:32:44,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:32:44,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:32:44,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:32:44,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:32:44,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:32:44,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:32:44,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:32:44,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:32:44,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:32:44,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:32:44,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:32:44,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:32:44,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:32:44,186 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:32:44,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:32:44,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:32:44,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:32:44,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:32:44,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:32:44,187 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:32:44,188 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:32:44,188 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:32:44,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:32:44,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:32:44,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:32:44,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:32:44,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:32:44,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:32:44,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:32:44,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:32:44,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:32:44,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:32:44,190 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:32:44,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:32:44,190 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:32:44,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:32:44,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:32:44,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:32:44,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-07-14 00:32:44,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:32:44,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:32:44,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:32:44,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:32:44,514 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:32:44,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-14 00:32:44,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5149c8b9/6e69b6b64ee740038e53538929426c08/FLAGf89e5b47d [2022-07-14 00:32:45,243 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:32:45,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-14 00:32:45,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5149c8b9/6e69b6b64ee740038e53538929426c08/FLAGf89e5b47d [2022-07-14 00:32:45,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5149c8b9/6e69b6b64ee740038e53538929426c08 [2022-07-14 00:32:45,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:32:45,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:32:45,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:32:45,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:32:45,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:32:45,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:32:45" (1/1) ... [2022-07-14 00:32:45,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6170010e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:45, skipping insertion in model container [2022-07-14 00:32:45,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:32:45" (1/1) ... [2022-07-14 00:32:45,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:32:45,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:32:46,155 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-14 00:32:46,157 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-14 00:32:46,358 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-14 00:32:47,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:32:47,312 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:32:47,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:32:47,448 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-14 00:32:47,448 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-14 00:32:47,455 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-14 00:32:47,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:32:47,622 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:32:47,743 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-07-14 00:32:47,744 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-07-14 00:32:47,750 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-07-14 00:32:47,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:32:47,988 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:32:47,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47 WrapperNode [2022-07-14 00:32:47,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:32:47,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:32:47,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:32:47,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:32:47,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,137 INFO L137 Inliner]: procedures = 233, calls = 1605, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 3008 [2022-07-14 00:32:48,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:32:48,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:32:48,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:32:48,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:32:48,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:32:48,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:32:48,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:32:48,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:32:48,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (1/1) ... [2022-07-14 00:32:48,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:32:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:32:48,407 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) [2022-07-14 00:32:48,440 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 [2022-07-14 00:32:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:32:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 00:32:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 00:32:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 00:32:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 00:32:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:32:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:32:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:32:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:32:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:32:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:32:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:32:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:32:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:32:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:32:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:32:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:32:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 00:32:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 00:32:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 00:32:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 00:32:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 00:32:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 00:32:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:32:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-07-14 00:32:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-07-14 00:32:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:32:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 00:32:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 00:32:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:32:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:32:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:32:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:32:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:32:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:32:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:32:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 00:32:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 00:32:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:32:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-07-14 00:32:48,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-07-14 00:32:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:32:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:32:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:32:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 00:32:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 00:32:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-07-14 00:32:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-07-14 00:32:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 00:32:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 00:32:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 00:32:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 00:32:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 00:32:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 00:32:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-07-14 00:32:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-07-14 00:32:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-07-14 00:32:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-07-14 00:32:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:32:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:32:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-07-14 00:32:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-07-14 00:32:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:32:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:32:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-07-14 00:32:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-07-14 00:32:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-07-14 00:32:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-07-14 00:32:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:32:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:32:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 00:32:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 00:32:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 00:32:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 00:32:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-07-14 00:32:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-07-14 00:32:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 00:32:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 00:32:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:32:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:32:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-07-14 00:32:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-07-14 00:32:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 00:32:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 00:32:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 00:32:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 00:32:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-14 00:32:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-14 00:32:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 00:32:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 00:32:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:32:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:32:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:32:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:32:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:32:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:32:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 00:32:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 00:32:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:32:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:32:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:32:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 00:32:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 00:32:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-07-14 00:32:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-07-14 00:32:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:32:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-07-14 00:32:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-07-14 00:32:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:32:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:32:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:32:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-07-14 00:32:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-07-14 00:32:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:32:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:32:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:32:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:32:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:32:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-07-14 00:32:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-07-14 00:32:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-07-14 00:32:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-07-14 00:32:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-07-14 00:32:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-07-14 00:32:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:32:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:32:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:32:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:32:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 00:32:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 00:32:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:32:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-07-14 00:32:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-07-14 00:32:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 00:32:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-14 00:32:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:32:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:32:49,099 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:32:49,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:32:51,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:33:55,219 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:33:55,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:33:55,240 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:33:55,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:33:55 BoogieIcfgContainer [2022-07-14 00:33:55,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:33:55,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:33:55,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:33:55,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:33:55,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:32:45" (1/3) ... [2022-07-14 00:33:55,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18080c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:33:55, skipping insertion in model container [2022-07-14 00:33:55,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:32:47" (2/3) ... [2022-07-14 00:33:55,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18080c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:33:55, skipping insertion in model container [2022-07-14 00:33:55,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:33:55" (3/3) ... [2022-07-14 00:33:55,255 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-07-14 00:33:55,270 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:33:55,270 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:33:55,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:33:55,353 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@2e92c00d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@42e1de2b [2022-07-14 00:33:55,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:33:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 1148 states, 811 states have (on average 1.3218249075215782) internal successors, (1072), 834 states have internal predecessors, (1072), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) [2022-07-14 00:33:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-14 00:33:55,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:33:55,385 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-14 00:33:55,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:33:55,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:33:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1023729415, now seen corresponding path program 1 times [2022-07-14 00:33:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:33:55,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385471680] [2022-07-14 00:33:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:33:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:33:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:33:55,407 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) [2022-07-14 00:33:55,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:33:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:33:56,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:33:56,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:33:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:33:57,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:33:57,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:33:57,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385471680] [2022-07-14 00:33:57,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385471680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:33:57,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:33:57,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:33:57,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552513092] [2022-07-14 00:33:57,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:33:57,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:33:57,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:33:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:33:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:33:57,349 INFO L87 Difference]: Start difference. First operand has 1148 states, 811 states have (on average 1.3218249075215782) internal successors, (1072), 834 states have internal predecessors, (1072), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:33:58,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:33:58,419 INFO L93 Difference]: Finished difference Result 3435 states and 4930 transitions. [2022-07-14 00:33:58,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:33:58,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 93 [2022-07-14 00:33:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:33:58,451 INFO L225 Difference]: With dead ends: 3435 [2022-07-14 00:33:58,452 INFO L226 Difference]: Without dead ends: 2252 [2022-07-14 00:33:58,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:33:58,470 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 1605 mSDsluCounter, 5366 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 7253 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:33:58,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 7253 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:33:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2022-07-14 00:33:58,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2239. [2022-07-14 00:33:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1585 states have (on average 1.3097791798107254) internal successors, (2076), 1619 states have internal predecessors, (2076), 542 states have call successors, (542), 112 states have call predecessors, (542), 111 states have return successors, (543), 537 states have call predecessors, (543), 541 states have call successors, (543) [2022-07-14 00:33:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3161 transitions. [2022-07-14 00:33:58,659 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3161 transitions. Word has length 93 [2022-07-14 00:33:58,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:33:58,659 INFO L495 AbstractCegarLoop]: Abstraction has 2239 states and 3161 transitions. [2022-07-14 00:33:58,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:33:58,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3161 transitions. [2022-07-14 00:33:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-14 00:33:58,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:33:58,672 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1] [2022-07-14 00:33:58,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 00:33:58,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:33:58,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:33:58,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:33:58,892 INFO L85 PathProgramCache]: Analyzing trace with hash 988225853, now seen corresponding path program 1 times [2022-07-14 00:33:58,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:33:58,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093611045] [2022-07-14 00:33:58,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:33:58,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:33:58,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:33:58,899 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) [2022-07-14 00:33:58,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:33:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:33:59,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:33:59,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:34:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:34:00,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:34:00,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:34:00,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093611045] [2022-07-14 00:34:00,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093611045] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:34:00,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:34:00,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:34:00,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19689037] [2022-07-14 00:34:00,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:34:00,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:34:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:34:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:34:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:34:00,803 INFO L87 Difference]: Start difference. First operand 2239 states and 3161 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:34:01,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:34:01,795 INFO L93 Difference]: Finished difference Result 6719 states and 9495 transitions. [2022-07-14 00:34:01,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:34:01,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 94 [2022-07-14 00:34:01,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:34:01,829 INFO L225 Difference]: With dead ends: 6719 [2022-07-14 00:34:01,830 INFO L226 Difference]: Without dead ends: 4489 [2022-07-14 00:34:01,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:34:01,844 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1575 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:34:01,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:34:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-14 00:34:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4468. [2022-07-14 00:34:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4468 states, 3165 states have (on average 1.3086887835703) internal successors, (4142), 3232 states have internal predecessors, (4142), 1079 states have call successors, (1079), 224 states have call predecessors, (1079), 223 states have return successors, (1086), 1071 states have call predecessors, (1086), 1078 states have call successors, (1086) [2022-07-14 00:34:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 6307 transitions. [2022-07-14 00:34:02,032 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 6307 transitions. Word has length 94 [2022-07-14 00:34:02,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:34:02,032 INFO L495 AbstractCegarLoop]: Abstraction has 4468 states and 6307 transitions. [2022-07-14 00:34:02,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:34:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 6307 transitions. [2022-07-14 00:34:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-14 00:34:02,040 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:34:02,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1] [2022-07-14 00:34:02,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:34:02,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:34:02,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:34:02,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:34:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1343295556, now seen corresponding path program 1 times [2022-07-14 00:34:02,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:34:02,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662639998] [2022-07-14 00:34:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:34:02,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:34:02,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:34:02,263 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) [2022-07-14 00:34:02,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:34:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:34:03,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:34:03,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:34:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:34:04,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:34:04,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:34:04,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662639998] [2022-07-14 00:34:04,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662639998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:34:04,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:34:04,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:34:04,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713124292] [2022-07-14 00:34:04,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:34:04,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:34:04,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:34:04,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:34:04,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:34:04,117 INFO L87 Difference]: Start difference. First operand 4468 states and 6307 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:34:05,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:34:05,401 INFO L93 Difference]: Finished difference Result 13429 states and 18971 transitions. [2022-07-14 00:34:05,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:34:05,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 95 [2022-07-14 00:34:05,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:34:05,458 INFO L225 Difference]: With dead ends: 13429 [2022-07-14 00:34:05,459 INFO L226 Difference]: Without dead ends: 8970 [2022-07-14 00:34:05,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:34:05,482 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1576 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:34:05,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 00:34:05,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8970 states. [2022-07-14 00:34:05,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8970 to 8931. [2022-07-14 00:34:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8931 states, 6330 states have (on average 1.307740916271722) internal successors, (8278), 6462 states have internal predecessors, (8278), 2152 states have call successors, (2152), 449 states have call predecessors, (2152), 448 states have return successors, (2175), 2139 states have call predecessors, (2175), 2151 states have call successors, (2175) [2022-07-14 00:34:05,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 12605 transitions. [2022-07-14 00:34:05,891 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 12605 transitions. Word has length 95 [2022-07-14 00:34:05,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:34:05,891 INFO L495 AbstractCegarLoop]: Abstraction has 8931 states and 12605 transitions. [2022-07-14 00:34:05,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:34:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 12605 transitions. [2022-07-14 00:34:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-14 00:34:05,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:34:05,900 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:34:05,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-14 00:34:06,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:34:06,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:34:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:34:06,116 INFO L85 PathProgramCache]: Analyzing trace with hash 415212745, now seen corresponding path program 1 times [2022-07-14 00:34:06,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:34:06,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085988688] [2022-07-14 00:34:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:34:06,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:34:06,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:34:06,121 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) [2022-07-14 00:34:06,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:34:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:34:06,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:34:06,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:34:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:34:08,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:34:08,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:34:08,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085988688] [2022-07-14 00:34:08,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085988688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:34:08,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:34:08,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:34:08,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360101076] [2022-07-14 00:34:08,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:34:08,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:34:08,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:34:08,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:34:08,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:34:08,058 INFO L87 Difference]: Start difference. First operand 8931 states and 12605 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:34:09,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:34:09,244 INFO L93 Difference]: Finished difference Result 26687 states and 37676 transitions. [2022-07-14 00:34:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:34:09,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2022-07-14 00:34:09,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:34:09,365 INFO L225 Difference]: With dead ends: 26687 [2022-07-14 00:34:09,365 INFO L226 Difference]: Without dead ends: 17765 [2022-07-14 00:34:09,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:34:09,420 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1577 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:34:09,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 7138 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:34:09,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17765 states. [2022-07-14 00:34:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17765 to 17693. [2022-07-14 00:34:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17693 states, 12549 states have (on average 1.3064786038728184) internal successors, (16395), 12805 states have internal predecessors, (16395), 4248 states have call successors, (4248), 896 states have call predecessors, (4248), 895 states have return successors, (4311), 4227 states have call predecessors, (4311), 4247 states have call successors, (4311) [2022-07-14 00:34:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17693 states to 17693 states and 24954 transitions. [2022-07-14 00:34:10,268 INFO L78 Accepts]: Start accepts. Automaton has 17693 states and 24954 transitions. Word has length 100 [2022-07-14 00:34:10,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:34:10,274 INFO L495 AbstractCegarLoop]: Abstraction has 17693 states and 24954 transitions. [2022-07-14 00:34:10,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 00:34:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 17693 states and 24954 transitions. [2022-07-14 00:34:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-14 00:34:10,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:34:10,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 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] [2022-07-14 00:34:10,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:34:10,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:34:10,539 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:34:10,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:34:10,540 INFO L85 PathProgramCache]: Analyzing trace with hash 372583021, now seen corresponding path program 1 times [2022-07-14 00:34:10,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:34:10,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606242885] [2022-07-14 00:34:10,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:34:10,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:34:10,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:34:10,555 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) [2022-07-14 00:34:10,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:34:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:34:11,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:34:11,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:34:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-14 00:34:13,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:34:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-14 00:34:15,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:34:15,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606242885] [2022-07-14 00:34:15,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606242885] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 00:34:15,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:34:15,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 10 [2022-07-14 00:34:15,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097012370] [2022-07-14 00:34:15,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:34:15,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:34:15,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:34:15,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:34:15,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:34:15,292 INFO L87 Difference]: Start difference. First operand 17693 states and 24954 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 00:34:17,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:34:19,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:34:54,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:34:54,295 INFO L93 Difference]: Finished difference Result 47469 states and 67417 transitions. [2022-07-14 00:34:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 00:34:54,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2022-07-14 00:34:54,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:34:54,580 INFO L225 Difference]: With dead ends: 47469 [2022-07-14 00:34:54,580 INFO L226 Difference]: Without dead ends: 29785 [2022-07-14 00:34:54,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:34:54,768 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 2443 mSDsluCounter, 10671 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 314 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 13403 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:34:54,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 13403 Invalid, 2355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [314 Valid, 2039 Invalid, 2 Unknown, 0 Unchecked, 35.1s Time] [2022-07-14 00:34:54,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29785 states. [2022-07-14 00:34:55,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29785 to 26356. [2022-07-14 00:34:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26356 states, 18693 states have (on average 1.306906328572193) internal successors, (24430), 19069 states have internal predecessors, (24430), 6332 states have call successors, (6332), 1331 states have call predecessors, (6332), 1330 states have return successors, (6419), 6307 states have call predecessors, (6419), 6331 states have call successors, (6419) [2022-07-14 00:34:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26356 states to 26356 states and 37181 transitions. [2022-07-14 00:34:56,270 INFO L78 Accepts]: Start accepts. Automaton has 26356 states and 37181 transitions. Word has length 105 [2022-07-14 00:34:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:34:56,272 INFO L495 AbstractCegarLoop]: Abstraction has 26356 states and 37181 transitions. [2022-07-14 00:34:56,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 00:34:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 26356 states and 37181 transitions. [2022-07-14 00:34:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-14 00:34:56,282 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:34:56,282 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-07-14 00:34:56,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:34:56,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:34:56,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:34:56,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:34:56,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1011345320, now seen corresponding path program 1 times [2022-07-14 00:34:56,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:34:56,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173777823] [2022-07-14 00:34:56,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:34:56,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:34:56,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:34:56,506 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) [2022-07-14 00:34:56,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:34:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:34:57,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:34:57,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:34:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:34:59,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:35:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:35:01,206 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:35:01,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173777823] [2022-07-14 00:35:01,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173777823] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:35:01,206 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:35:01,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-14 00:35:01,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231061668] [2022-07-14 00:35:01,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:35:01,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:35:01,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:35:01,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:35:01,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:35:01,208 INFO L87 Difference]: Start difference. First operand 26356 states and 37181 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 00:35:03,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:35:05,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:36:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:36:24,557 INFO L93 Difference]: Finished difference Result 60413 states and 85655 transitions. [2022-07-14 00:36:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-14 00:36:24,559 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 105 [2022-07-14 00:36:24,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:36:24,874 INFO L225 Difference]: With dead ends: 60413 [2022-07-14 00:36:24,875 INFO L226 Difference]: Without dead ends: 34066 [2022-07-14 00:36:25,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2022-07-14 00:36:25,064 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 6086 mSDsluCounter, 22824 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 1417 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6205 SdHoareTripleChecker+Valid, 26480 SdHoareTripleChecker+Invalid, 6660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1417 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:36:25,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6205 Valid, 26480 Invalid, 6660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1417 Valid, 5241 Invalid, 2 Unknown, 0 Unchecked, 75.5s Time] [2022-07-14 00:36:25,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34066 states. [2022-07-14 00:36:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34066 to 30619. [2022-07-14 00:36:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30619 states, 21717 states have (on average 1.306672192291753) internal successors, (28377), 22157 states have internal predecessors, (28377), 7352 states have call successors, (7352), 1550 states have call predecessors, (7352), 1549 states have return successors, (7451), 7319 states have call predecessors, (7451), 7351 states have call successors, (7451) [2022-07-14 00:36:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30619 states to 30619 states and 43180 transitions. [2022-07-14 00:36:26,851 INFO L78 Accepts]: Start accepts. Automaton has 30619 states and 43180 transitions. Word has length 105 [2022-07-14 00:36:26,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:36:26,852 INFO L495 AbstractCegarLoop]: Abstraction has 30619 states and 43180 transitions. [2022-07-14 00:36:26,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 00:36:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 30619 states and 43180 transitions. [2022-07-14 00:36:26,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-14 00:36:26,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:36:26,868 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2022-07-14 00:36:26,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-14 00:36:27,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:36:27,082 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:36:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:36:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash 515495870, now seen corresponding path program 1 times [2022-07-14 00:36:27,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:36:27,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055789312] [2022-07-14 00:36:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:36:27,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:36:27,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:36:27,085 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) [2022-07-14 00:36:27,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 00:36:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:36:28,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:36:28,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:36:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:36:30,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:36:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 00:36:31,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:36:31,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055789312] [2022-07-14 00:36:31,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055789312] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:36:31,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:36:31,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2022-07-14 00:36:31,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294535206] [2022-07-14 00:36:31,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:36:31,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:36:31,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:36:31,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:36:31,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:36:31,865 INFO L87 Difference]: Start difference. First operand 30619 states and 43180 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (25), 4 states have call predecessors, (25), 5 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 00:36:33,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:36:35,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:36:37,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []