./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-6c24879 [2022-07-12 13:34:42,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:34:42,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:34:42,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:34:42,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:34:42,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:34:42,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:34:42,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:34:42,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:34:42,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:34:42,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:34:42,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:34:42,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:34:42,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:34:42,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:34:42,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:34:42,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:34:42,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:34:42,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:34:42,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:34:42,082 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:34:42,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:34:42,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:34:42,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:34:42,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:34:42,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:34:42,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:34:42,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:34:42,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:34:42,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:34:42,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:34:42,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:34:42,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:34:42,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:34:42,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:34:42,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:34:42,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:34:42,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:34:42,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:34:42,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:34:42,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:34:42,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:34:42,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:34:42,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:34:42,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:34:42,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:34:42,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:34:42,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:34:42,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:34:42,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:34:42,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:34:42,143 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:34:42,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:34:42,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:34:42,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:34:42,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:34:42,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:34:42,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:34:42,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:34:42,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:34:42,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:34:42,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:34:42,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:34:42,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:34:42,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:34:42,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:34:42,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:34:42,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:34:42,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:34:42,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:34:42,149 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:34:42,149 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:34:42,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:34:42,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-12 13:34:42,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:34:42,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:34:42,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:34:42,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:34:42,413 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:34:42,414 INFO L432 ainManager$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 [2022-07-12 13:34:42,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a8146ce/3f7812bfcb8d4221bd49a5544a6ec413/FLAG0211ee872 [2022-07-12 13:34:43,345 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:34:43,346 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 [2022-07-12 13:34:43,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a8146ce/3f7812bfcb8d4221bd49a5544a6ec413/FLAG0211ee872 [2022-07-12 13:34:43,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a8146ce/3f7812bfcb8d4221bd49a5544a6ec413 [2022-07-12 13:34:43,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:34:43,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:34:43,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:34:43,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:34:43,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:34:43,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:34:43" (1/1) ... [2022-07-12 13:34:43,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf69075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:43, skipping insertion in model container [2022-07-12 13:34:43,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:34:43" (1/1) ... [2022-07-12 13:34:43,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:34:44,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:34:46,215 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] [2022-07-12 13:34:46,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:34:46,603 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:34:46,775 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) [2022-07-12 13:34:46,785 INFO L158 Benchmark]: Toolchain (without parser) took 2938.01ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 56.2MB in the beginning and 79.1MB in the end (delta: -22.9MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2022-07-12 13:34:46,786 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:34:46,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2936.10ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 56.0MB in the beginning and 79.1MB in the end (delta: -23.1MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2022-07-12 13:34:46,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2936.10ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 56.0MB in the beginning and 79.1MB in the end (delta: -23.1MB). Peak memory consumption was 68.8MB. 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-?-6c24879 [2022-07-12 13:34:48,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:34:48,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:34:48,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:34:48,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:34:48,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:34:48,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:34:48,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:34:48,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:34:48,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:34:48,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:34:48,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:34:48,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:34:48,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:34:48,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:34:48,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:34:48,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:34:48,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:34:48,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:34:48,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:34:48,739 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:34:48,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:34:48,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:34:48,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:34:48,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:34:48,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:34:48,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:34:48,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:34:48,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:34:48,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:34:48,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:34:48,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:34:48,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:34:48,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:34:48,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:34:48,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:34:48,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:34:48,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:34:48,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:34:48,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:34:48,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:34:48,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:34:48,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:34:48,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:34:48,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:34:48,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:34:48,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:34:48,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:34:48,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:34:48,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:34:48,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:34:48,818 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:34:48,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:34:48,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:34:48,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:34:48,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:34:48,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:34:48,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:34:48,824 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:34:48,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:34:48,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:34:48,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:34:48,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:34:48,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:34:48,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:34:48,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:34:48,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:34:48,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:34:48,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:34:48,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:34:48,827 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:34:48,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:34:48,828 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:34:48,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:34:48,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:34:48,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:34:48,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-12 13:34:49,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:34:49,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:34:49,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:34:49,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:34:49,203 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:34:49,205 INFO L432 ainManager$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 [2022-07-12 13:34:49,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982e3aebe/196292142b8540f49c3e96c39d9835db/FLAG3edaf49ce [2022-07-12 13:34:50,117 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:34:50,118 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 [2022-07-12 13:34:50,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982e3aebe/196292142b8540f49c3e96c39d9835db/FLAG3edaf49ce [2022-07-12 13:34:50,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/982e3aebe/196292142b8540f49c3e96c39d9835db [2022-07-12 13:34:50,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:34:50,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:34:50,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:34:50,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:34:50,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:34:50,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:34:50" (1/1) ... [2022-07-12 13:34:50,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb833f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:50, skipping insertion in model container [2022-07-12 13:34:50,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:34:50" (1/1) ... [2022-07-12 13:34:50,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:34:50,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:34:53,411 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] [2022-07-12 13:34:53,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:34:53,804 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:34:53,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:34:54,319 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] [2022-07-12 13:34:54,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:34:54,365 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:34:54,794 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] [2022-07-12 13:34:54,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:34:55,292 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:34:55,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55 WrapperNode [2022-07-12 13:34:55,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:34:55,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:34:55,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:34:55,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:34:55,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:55,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:55,775 INFO L137 Inliner]: procedures = 338, calls = 5840, calls flagged for inlining = 175, calls inlined = 170, statements flattened = 14645 [2022-07-12 13:34:55,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:34:55,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:34:55,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:34:55,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:34:55,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:55,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:55,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:55,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:56,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:56,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:56,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:56,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:34:56,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:34:56,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:34:56,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:34:56,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (1/1) ... [2022-07-12 13:34:56,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:34:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:34:56,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 13:34:56,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 13:34:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:34:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-12 13:34:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-12 13:34:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2022-07-12 13:34:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2022-07-12 13:34:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:34:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:34:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:34:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:34:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:34:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:34:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:34:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure adc_lsb [2022-07-12 13:34:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure adc_lsb [2022-07-12 13:34:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_enable [2022-07-12 13:34:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_enable [2022-07-12 13:34:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_in [2022-07-12 13:34:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in [2022-07-12 13:34:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-12 13:34:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-12 13:34:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:34:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:34:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-12 13:34:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-12 13:34:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2022-07-12 13:34:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2022-07-12 13:34:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:34:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:34:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:34:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:34:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2022-07-12 13:34:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2022-07-12 13:34:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:34:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:34:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:34:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:34:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2022-07-12 13:34:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2022-07-12 13:34:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2022-07-12 13:34:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2022-07-12 13:34:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2022-07-12 13:34:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2022-07-12 13:34:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:34:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:34:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2022-07-12 13:34:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2022-07-12 13:34:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2022-07-12 13:34:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2022-07-12 13:34:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_pwm [2022-07-12 13:34:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_pwm [2022-07-12 13:34:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:34:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-12 13:34:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-12 13:34:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-12 13:34:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-12 13:34:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-12 13:34:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-12 13:34:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:34:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:34:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:34:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-07-12 13:34:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-07-12 13:34:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:34:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-12 13:34:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-12 13:34:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:34:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:34:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:34:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:34:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:34:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_pwm [2022-07-12 13:34:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_pwm [2022-07-12 13:34:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:34:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:34:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:34:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure it87_probe [2022-07-12 13:34:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_probe [2022-07-12 13:34:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-12 13:34:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-12 13:34:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2022-07-12 13:34:56,260 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2022-07-12 13:34:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2022-07-12 13:34:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2022-07-12 13:34:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 13:34:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 13:34:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-12 13:34:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-12 13:34:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-07-12 13:34:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-07-12 13:34:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-12 13:34:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-12 13:34:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 13:34:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 13:34:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-12 13:34:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-12 13:34:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_temp_map [2022-07-12 13:34:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_temp_map [2022-07-12 13:34:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_temp [2022-07-12 13:34:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_temp [2022-07-12 13:34:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_temp_map [2022-07-12 13:34:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_temp_map [2022-07-12 13:34:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-12 13:34:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-12 13:34:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2022-07-12 13:34:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2022-07-12 13:34:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-12 13:34:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-12 13:34:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-07-12 13:34:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-07-12 13:34:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:34:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:34:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:34:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:34:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_type [2022-07-12 13:34:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_type [2022-07-12 13:34:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:34:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:34:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:34:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2022-07-12 13:34:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2022-07-12 13:34:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:34:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:34:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2022-07-12 13:34:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2022-07-12 13:34:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_to_reg [2022-07-12 13:34:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_to_reg [2022-07-12 13:34:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-12 13:34:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-12 13:34:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2022-07-12 13:34:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2022-07-12 13:34:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure set_beep [2022-07-12 13:34:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beep [2022-07-12 13:34:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm [2022-07-12 13:34:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm [2022-07-12 13:34:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-12 13:34:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-12 13:34:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-12 13:34:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-12 13:34:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2022-07-12 13:34:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2022-07-12 13:34:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove [2022-07-12 13:34:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove [2022-07-12 13:34:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-12 13:34:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-12 13:34:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure it87_update_device [2022-07-12 13:34:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_update_device [2022-07-12 13:34:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_temp [2022-07-12 13:34:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_temp [2022-07-12 13:34:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 13:34:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 13:34:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_from_reg [2022-07-12 13:34:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_from_reg [2022-07-12 13:34:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2022-07-12 13:34:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2022-07-12 13:34:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:34:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:34:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:34:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:34:57,561 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:34:57,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:34:58,082 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:35:33,161 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:35:33,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:35:33,184 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:35:33,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:35:33 BoogieIcfgContainer [2022-07-12 13:35:33,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:35:33,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:35:33,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:35:33,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:35:33,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:34:50" (1/3) ... [2022-07-12 13:35:33,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fc0074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:35:33, skipping insertion in model container [2022-07-12 13:35:33,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:55" (2/3) ... [2022-07-12 13:35:33,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fc0074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:35:33, skipping insertion in model container [2022-07-12 13:35:33,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:35:33" (3/3) ... [2022-07-12 13:35:33,199 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-12 13:35:33,211 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:35:33,212 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:35:33,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:35:33,338 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@79ded63d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@74f819c5 [2022-07-12 13:35:33,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:35:33,356 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) [2022-07-12 13:35:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-12 13:35:33,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:35:33,826 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] [2022-07-12 13:35:33,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:35:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:35:33,835 INFO L85 PathProgramCache]: Analyzing trace with hash 896500142, now seen corresponding path program 1 times [2022-07-12 13:35:33,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:35:33,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957685004] [2022-07-12 13:35:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:35:33,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:35:33,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:35:33,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:35:33,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:36:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:33,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 13:36:33,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:36:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 180220 proven. 0 refuted. 0 times theorem prover too weak. 622832 trivial. 0 not checked. [2022-07-12 13:36:33,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:36:33,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:36:33,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957685004] [2022-07-12 13:36:33,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957685004] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:36:33,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:36:33,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:36:33,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900622572] [2022-07-12 13:36:33,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:36:33,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 13:36:33,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:36:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 13:36:34,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 13:36:34,021 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) [2022-07-12 13:36:34,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:36:34,289 INFO L93 Difference]: Finished difference Result 8277 states and 13532 transitions. [2022-07-12 13:36:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 13:36:34,292 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 [2022-07-12 13:36:34,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:36:34,336 INFO L225 Difference]: With dead ends: 8277 [2022-07-12 13:36:34,336 INFO L226 Difference]: Without dead ends: 3993 [2022-07-12 13:36:34,373 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 [2022-07-12 13:36:34,379 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 [2022-07-12 13:36:34,382 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] [2022-07-12 13:36:34,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2022-07-12 13:36:34,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 3993. [2022-07-12 13:36:34,808 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) [2022-07-12 13:36:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 3993 states and 6092 transitions. [2022-07-12 13:36:34,843 INFO L78 Accepts]: Start accepts. Automaton has 3993 states and 6092 transitions. Word has length 6242 [2022-07-12 13:36:34,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:36:34,846 INFO L495 AbstractCegarLoop]: Abstraction has 3993 states and 6092 transitions. [2022-07-12 13:36:34,847 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) [2022-07-12 13:36:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 6092 transitions. [2022-07-12 13:36:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-12 13:36:35,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:36:35,359 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, 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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] [2022-07-12 13:36:35,560 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-12 13:36:35,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-12 13:36:35,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:36:35,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:36:35,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:36:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1221434568, now seen corresponding path program 1 times [2022-07-12 13:36:35,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:36:35,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615757779] [2022-07-12 13:36:35,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:36:35,703 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:36:35,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:36:35,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:36:35,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:37:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:36,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:37:36,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:37:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 802332 trivial. 0 not checked. [2022-07-12 13:37:36,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:37:36,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:37:36,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615757779] [2022-07-12 13:37:36,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615757779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:37:36,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:37:36,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:37:36,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898637819] [2022-07-12 13:37:36,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:37:36,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:37:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:37:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:37:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:37:36,641 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) [2022-07-12 13:37:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:37:40,230 INFO L93 Difference]: Finished difference Result 7322 states and 11268 transitions. [2022-07-12 13:37:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:37:40,231 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 [2022-07-12 13:37:40,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:37:40,273 INFO L225 Difference]: With dead ends: 7322 [2022-07-12 13:37:40,273 INFO L226 Difference]: Without dead ends: 3994 [2022-07-12 13:37:40,292 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 [2022-07-12 13:37:40,294 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 6 mSDsluCounter, 23860 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:37:40,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 29868 Invalid, 668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [81 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 13:37:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2022-07-12 13:37:40,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3994. [2022-07-12 13:37:40,573 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) [2022-07-12 13:37:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 6093 transitions. [2022-07-12 13:37:40,594 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 6093 transitions. Word has length 6242 [2022-07-12 13:37:40,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:37:40,604 INFO L495 AbstractCegarLoop]: Abstraction has 3994 states and 6093 transitions. [2022-07-12 13:37:40,605 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) [2022-07-12 13:37:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 6093 transitions. [2022-07-12 13:37:40,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6324 [2022-07-12 13:37:40,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:37:40,834 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] [2022-07-12 13:37:41,047 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-12 13:37:41,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-12 13:37:41,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:37:41,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:37:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:37:41,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1454057125, now seen corresponding path program 1 times [2022-07-12 13:37:41,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:37:41,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581321950] [2022-07-12 13:37:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:37:41,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:37:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:37:41,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:37:41,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:38:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:45,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 29348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:38:45,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:38:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 960 proven. 1 refuted. 0 times theorem prover too weak. 811892 trivial. 0 not checked. [2022-07-12 13:38:45,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:38:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 812052 trivial. 0 not checked. [2022-07-12 13:38:50,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:38:50,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581321950] [2022-07-12 13:38:50,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581321950] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:38:50,316 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:38:50,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:38:50,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160273922] [2022-07-12 13:38:50,318 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:38:50,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:38:50,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:38:50,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:38:50,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:38:50,325 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)