./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.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 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:51:13,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:51:13,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:51:13,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:51:13,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:51:13,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:51:13,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:51:13,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:51:13,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:51:13,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:51:13,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:51:13,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:51:13,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:51:13,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:51:13,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:51:13,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:51:13,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:51:13,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:51:13,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:51:13,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:51:13,324 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:51:13,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:51:13,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:51:13,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:51:13,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:51:13,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:51:13,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:51:13,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:51:13,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:51:13,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:51:13,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:51:13,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:51:13,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:51:13,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:51:13,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:51:13,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:51:13,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:51:13,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:51:13,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:51:13,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:51:13,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:51:13,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:51:13,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:51:13,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:51:13,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:51:13,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:51:13,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:51:13,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:51:13,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:51:13,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:51:13,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:51:13,376 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:51:13,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:51:13,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:51:13,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:51:13,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:51:13,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:51:13,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:51:13,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:51:13,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:51:13,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:51:13,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:51:13,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:51:13,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:51:13,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:51:13,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:51:13,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:51:13,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:51:13,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:51:13,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:51:13,381 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:51:13,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:51:13,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:51:13,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-23 00:51:13,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:51:13,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:51:13,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:51:13,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:51:13,646 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:51:13,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-23 00:51:13,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddddbe9cf/5332a915093d48a094094833425c4927/FLAG807c1989d [2022-07-23 00:51:14,509 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:51:14,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-23 00:51:14,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddddbe9cf/5332a915093d48a094094833425c4927/FLAG807c1989d [2022-07-23 00:51:15,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddddbe9cf/5332a915093d48a094094833425c4927 [2022-07-23 00:51:15,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:51:15,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:51:15,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:51:15,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:51:15,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:51:15,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:51:15" (1/1) ... [2022-07-23 00:51:15,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12800d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:15, skipping insertion in model container [2022-07-23 00:51:15,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:51:15" (1/1) ... [2022-07-23 00:51:15,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:51:15,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:51:17,516 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-23 00:51:17,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:51:17,852 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:51:17,965 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 long )old & 128UL [4816] 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:1845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:314) 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) [2022-07-23 00:51:17,971 INFO L158 Benchmark]: Toolchain (without parser) took 2956.40ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 64.1MB in the beginning and 86.0MB in the end (delta: -21.9MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2022-07-23 00:51:17,971 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:51:17,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2954.55ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 64.1MB in the beginning and 86.0MB in the end (delta: -21.9MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2022-07-23 00:51:17,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2954.55ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 64.1MB in the beginning and 86.0MB in the end (delta: -21.9MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816]: 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.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 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:51:19,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:51:19,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:51:19,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:51:19,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:51:19,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:51:19,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:51:19,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:51:19,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:51:19,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:51:19,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:51:19,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:51:19,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:51:19,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:51:19,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:51:19,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:51:19,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:51:19,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:51:19,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:51:19,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:51:19,947 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:51:19,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:51:19,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:51:19,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:51:19,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:51:19,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:51:19,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:51:19,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:51:19,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:51:19,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:51:19,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:51:19,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:51:19,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:51:19,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:51:19,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:51:19,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:51:19,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:51:19,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:51:19,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:51:19,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:51:19,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:51:19,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:51:19,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:51:20,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:51:20,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:51:20,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:51:20,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:51:20,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:51:20,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:51:20,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:51:20,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:51:20,009 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:51:20,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:51:20,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:51:20,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:51:20,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:51:20,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:51:20,011 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:51:20,011 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:51:20,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:51:20,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:51:20,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:51:20,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:51:20,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:51:20,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:51:20,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:51:20,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:51:20,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:51:20,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:51:20,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:51:20,013 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:51:20,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:51:20,014 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:51:20,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:51:20,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:51:20,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:51:20,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-23 00:51:20,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:51:20,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:51:20,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:51:20,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:51:20,359 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:51:20,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-23 00:51:20,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47cfb829c/900efcf208f14988a4cbc6d023be4769/FLAGe8236e0d3 [2022-07-23 00:51:21,364 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:51:21,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-23 00:51:21,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47cfb829c/900efcf208f14988a4cbc6d023be4769/FLAGe8236e0d3 [2022-07-23 00:51:21,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47cfb829c/900efcf208f14988a4cbc6d023be4769 [2022-07-23 00:51:21,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:51:21,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:51:21,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:51:21,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:51:21,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:51:21,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:51:21" (1/1) ... [2022-07-23 00:51:21,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60802eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:21, skipping insertion in model container [2022-07-23 00:51:21,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:51:21" (1/1) ... [2022-07-23 00:51:21,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:51:22,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:51:25,112 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-23 00:51:25,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:51:25,490 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:51:25,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:51:26,115 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-23 00:51:26,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:51:26,221 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:51:26,544 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-23 00:51:26,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:51:26,952 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:51:26,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26 WrapperNode [2022-07-23 00:51:26,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:51:26,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:51:26,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:51:26,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:51:26,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,365 INFO L137 Inliner]: procedures = 338, calls = 5840, calls flagged for inlining = 175, calls inlined = 170, statements flattened = 14645 [2022-07-23 00:51:27,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:51:27,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:51:27,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:51:27,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:51:27,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:51:27,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:51:27,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:51:27,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:51:27,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (1/1) ... [2022-07-23 00:51:27,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:51:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:51:27,868 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) [2022-07-23 00:51:27,878 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 [2022-07-23 00:51:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:51:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-23 00:51:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-23 00:51:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2022-07-23 00:51:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2022-07-23 00:51:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:51:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:51:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:51:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:51:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:51:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:51:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:51:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure adc_lsb [2022-07-23 00:51:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure adc_lsb [2022-07-23 00:51:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_enable [2022-07-23 00:51:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_enable [2022-07-23 00:51:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_in [2022-07-23 00:51:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in [2022-07-23 00:51:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-23 00:51:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-23 00:51:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:51:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:51:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-23 00:51:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-23 00:51:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2022-07-23 00:51:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2022-07-23 00:51:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:51:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:51:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:51:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:51:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2022-07-23 00:51:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2022-07-23 00:51:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:51:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:51:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:51:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:51:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2022-07-23 00:51:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2022-07-23 00:51:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2022-07-23 00:51:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2022-07-23 00:51:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2022-07-23 00:51:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2022-07-23 00:51:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 00:51:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 00:51:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2022-07-23 00:51:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2022-07-23 00:51:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2022-07-23 00:51:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2022-07-23 00:51:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_pwm [2022-07-23 00:51:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_pwm [2022-07-23 00:51:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:51:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-23 00:51:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-23 00:51:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-23 00:51:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-23 00:51:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-23 00:51:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-23 00:51:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:51:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:51:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:51:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-07-23 00:51:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-07-23 00:51:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 00:51:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-23 00:51:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-23 00:51:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:51:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:51:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:51:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:51:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:51:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_pwm [2022-07-23 00:51:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_pwm [2022-07-23 00:51:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 00:51:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:51:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:51:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure it87_probe [2022-07-23 00:51:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_probe [2022-07-23 00:51:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-23 00:51:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-23 00:51:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2022-07-23 00:51:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2022-07-23 00:51:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2022-07-23 00:51:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2022-07-23 00:51:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 00:51:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 00:51:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-23 00:51:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-23 00:51:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-07-23 00:51:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-07-23 00:51:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-23 00:51:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-23 00:51:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 00:51:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 00:51:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-23 00:51:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-23 00:51:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_temp_map [2022-07-23 00:51:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_temp_map [2022-07-23 00:51:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_temp [2022-07-23 00:51:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_temp [2022-07-23 00:51:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_temp_map [2022-07-23 00:51:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_temp_map [2022-07-23 00:51:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-23 00:51:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-23 00:51:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2022-07-23 00:51:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2022-07-23 00:51:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-23 00:51:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-23 00:51:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-07-23 00:51:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-07-23 00:51:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:51:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:51:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:51:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:51:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_type [2022-07-23 00:51:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_type [2022-07-23 00:51:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:51:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:51:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:51:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2022-07-23 00:51:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2022-07-23 00:51:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:51:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:51:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2022-07-23 00:51:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2022-07-23 00:51:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_to_reg [2022-07-23 00:51:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_to_reg [2022-07-23 00:51:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-23 00:51:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-23 00:51:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2022-07-23 00:51:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2022-07-23 00:51:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_beep [2022-07-23 00:51:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beep [2022-07-23 00:51:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm [2022-07-23 00:51:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm [2022-07-23 00:51:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-23 00:51:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-23 00:51:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-23 00:51:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-23 00:51:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2022-07-23 00:51:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2022-07-23 00:51:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove [2022-07-23 00:51:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove [2022-07-23 00:51:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-23 00:51:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-23 00:51:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure it87_update_device [2022-07-23 00:51:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_update_device [2022-07-23 00:51:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_temp [2022-07-23 00:51:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_temp [2022-07-23 00:51:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 00:51:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 00:51:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_from_reg [2022-07-23 00:51:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_from_reg [2022-07-23 00:51:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2022-07-23 00:51:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2022-07-23 00:51:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:51:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:51:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:51:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:51:29,159 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:51:29,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:51:29,798 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:52:05,195 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:52:05,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:52:05,235 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:52:05,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:52:05 BoogieIcfgContainer [2022-07-23 00:52:05,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:52:05,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:52:05,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:52:05,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:52:05,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:51:21" (1/3) ... [2022-07-23 00:52:05,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48029922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:52:05, skipping insertion in model container [2022-07-23 00:52:05,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:51:26" (2/3) ... [2022-07-23 00:52:05,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48029922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:52:05, skipping insertion in model container [2022-07-23 00:52:05,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:52:05" (3/3) ... [2022-07-23 00:52:05,250 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-23 00:52:05,263 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:52:05,263 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:52:05,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:52:05,397 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@399fe4ce, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@35c418e3 [2022-07-23 00:52:05,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:52:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 4141 states, 2825 states have (on average 1.4290265486725664) internal successors, (4037), 2981 states have internal predecessors, (4037), 1246 states have call successors, (1246), 69 states have call predecessors, (1246), 68 states have return successors, (1105), 1105 states have call predecessors, (1105), 1105 states have call successors, (1105) [2022-07-23 00:52:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-23 00:52:06,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:52:06,032 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:52:06,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:52:06,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:52:06,044 INFO L85 PathProgramCache]: Analyzing trace with hash 896500142, now seen corresponding path program 1 times [2022-07-23 00:52:06,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:52:06,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226367475] [2022-07-23 00:52:06,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:52:06,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:52:06,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:52:06,087 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) [2022-07-23 00:52:06,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 00:53:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:53:04,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 00:53:04,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:53:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 180220 proven. 0 refuted. 0 times theorem prover too weak. 622832 trivial. 0 not checked. [2022-07-23 00:53:04,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:53:04,649 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:53:04,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226367475] [2022-07-23 00:53:04,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226367475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:53:04,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:53:04,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 00:53:04,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718190759] [2022-07-23 00:53:04,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:53:04,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 00:53:04,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:53:04,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 00:53:04,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 00:53:04,705 INFO L87 Difference]: Start difference. First operand has 4141 states, 2825 states have (on average 1.4290265486725664) internal successors, (4037), 2981 states have internal predecessors, (4037), 1246 states have call successors, (1246), 69 states have call predecessors, (1246), 68 states have return successors, (1105), 1105 states have call predecessors, (1105), 1105 states have call successors, (1105) Second operand has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) [2022-07-23 00:53:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:53:04,954 INFO L93 Difference]: Finished difference Result 8277 states and 13532 transitions. [2022-07-23 00:53:04,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 00:53:04,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) Word has length 6242 [2022-07-23 00:53:04,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:53:05,000 INFO L225 Difference]: With dead ends: 8277 [2022-07-23 00:53:05,000 INFO L226 Difference]: Without dead ends: 3993 [2022-07-23 00:53:05,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6241 GetRequests, 6241 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 00:53:05,040 INFO L413 NwaCegarLoop]: 6379 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:53:05,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6379 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:53:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2022-07-23 00:53:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 3993. [2022-07-23 00:53:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3993 states, 2820 states have (on average 1.3787234042553191) internal successors, (3888), 2833 states have internal predecessors, (3888), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-23 00:53:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 3993 states and 6092 transitions. [2022-07-23 00:53:05,539 INFO L78 Accepts]: Start accepts. Automaton has 3993 states and 6092 transitions. Word has length 6242 [2022-07-23 00:53:05,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:53:05,542 INFO L495 AbstractCegarLoop]: Abstraction has 3993 states and 6092 transitions. [2022-07-23 00:53:05,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) [2022-07-23 00:53:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 6092 transitions. [2022-07-23 00:53:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-23 00:53:05,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:53:05,991 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:53:06,192 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-23 00:53:06,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-23 00:53:06,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:53:06,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:53:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:53:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1221434568, now seen corresponding path program 1 times [2022-07-23 00:53:06,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:53:06,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323418341] [2022-07-23 00:53:06,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:53:06,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:53:06,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:53:06,320 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) [2022-07-23 00:53:06,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 00:54:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:54:04,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 00:54:04,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:54:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 802332 trivial. 0 not checked. [2022-07-23 00:54:04,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:54:04,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:54:04,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323418341] [2022-07-23 00:54:04,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323418341] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:54:04,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:54:04,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:54:04,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055829546] [2022-07-23 00:54:04,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:54:04,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:54:04,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:54:04,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:54:04,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:54:04,830 INFO L87 Difference]: Start difference. First operand 3993 states and 6092 transitions. Second operand has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) [2022-07-23 00:54:08,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:54:08,202 INFO L93 Difference]: Finished difference Result 7322 states and 11268 transitions. [2022-07-23 00:54:08,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:54:08,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) Word has length 6242 [2022-07-23 00:54:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:54:08,243 INFO L225 Difference]: With dead ends: 7322 [2022-07-23 00:54:08,244 INFO L226 Difference]: Without dead ends: 3994 [2022-07-23 00:54:08,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6243 GetRequests, 6237 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:54:08,262 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 6 mSDsluCounter, 23860 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 29868 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:54:08,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 29868 Invalid, 668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [81 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 00:54:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2022-07-23 00:54:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3994. [2022-07-23 00:54:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2821 states have (on average 1.3785891527827012) internal successors, (3889), 2834 states have internal predecessors, (3889), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-23 00:54:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 6093 transitions. [2022-07-23 00:54:08,576 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 6093 transitions. Word has length 6242 [2022-07-23 00:54:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:54:08,585 INFO L495 AbstractCegarLoop]: Abstraction has 3994 states and 6093 transitions. [2022-07-23 00:54:08,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) [2022-07-23 00:54:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 6093 transitions. [2022-07-23 00:54:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6324 [2022-07-23 00:54:08,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:54:08,817 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:54:09,019 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-23 00:54:09,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-23 00:54:09,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:54:09,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:54:09,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:54:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1454057125, now seen corresponding path program 1 times [2022-07-23 00:54:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:54:09,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329221969] [2022-07-23 00:54:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:54:09,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:54:09,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:54:09,163 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) [2022-07-23 00:54:09,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 00:55:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:09,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 29348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 00:55:09,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:55:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 960 proven. 1 refuted. 0 times theorem prover too weak. 811892 trivial. 0 not checked. [2022-07-23 00:55:10,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:55:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 812052 trivial. 0 not checked. [2022-07-23 00:55:15,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:55:15,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329221969] [2022-07-23 00:55:15,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329221969] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:55:15,196 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:55:15,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 00:55:15,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15288892] [2022-07-23 00:55:15,198 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:55:15,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:55:15,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:55:15,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:55:15,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:55:15,207 INFO L87 Difference]: Start difference. First operand 3994 states and 6093 transitions. Second operand has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) [2022-07-23 00:55:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:55:19,756 INFO L93 Difference]: Finished difference Result 7324 states and 11270 transitions. [2022-07-23 00:55:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:55:19,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) Word has length 6323 [2022-07-23 00:55:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:55:19,798 INFO L225 Difference]: With dead ends: 7324 [2022-07-23 00:55:19,799 INFO L226 Difference]: Without dead ends: 3995 [2022-07-23 00:55:19,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12646 GetRequests, 12635 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:55:19,825 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 11 mSDsluCounter, 35871 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 41879 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:55:19,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 41879 Invalid, 852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [85 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 00:55:19,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2022-07-23 00:55:20,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3995. [2022-07-23 00:55:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3995 states, 2822 states have (on average 1.378454996456414) internal successors, (3890), 2835 states have internal predecessors, (3890), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-23 00:55:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 6094 transitions. [2022-07-23 00:55:20,113 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 6094 transitions. Word has length 6323 [2022-07-23 00:55:20,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:55:20,122 INFO L495 AbstractCegarLoop]: Abstraction has 3995 states and 6094 transitions. [2022-07-23 00:55:20,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) [2022-07-23 00:55:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 6094 transitions. [2022-07-23 00:55:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6405 [2022-07-23 00:55:20,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:55:20,443 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 162, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]