./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.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 e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:08:27,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:08:27,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:08:27,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:08:27,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:08:27,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:08:27,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:08:27,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:08:27,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:08:27,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:08:27,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:08:27,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:08:27,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:08:27,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:08:27,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:08:27,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:08:27,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:08:27,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:08:27,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:08:27,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:08:27,168 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:08:27,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:08:27,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:08:27,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:08:27,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:08:27,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:08:27,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:08:27,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:08:27,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:08:27,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:08:27,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:08:27,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:08:27,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:08:27,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:08:27,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:08:27,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:08:27,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:08:27,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:08:27,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:08:27,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:08:27,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:08:27,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:08:27,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:08:27,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:08:27,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:08:27,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:08:27,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:08:27,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:08:27,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:08:27,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:08:27,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:08:27,229 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:08:27,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:08:27,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:08:27,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:08:27,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:08:27,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:08:27,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:08:27,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:08:27,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:08:27,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:08:27,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:08:27,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:08:27,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:08:27,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:08:27,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:08:27,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:08:27,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-12 12:08:27,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:08:27,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:08:27,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:08:27,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:08:27,476 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:08:27,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-12 12:08:27,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39386438/6153e2db04654dd1aaefe988bd76dd9a/FLAG7e5c2e01b [2022-07-12 12:08:28,172 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:08:28,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-12 12:08:28,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39386438/6153e2db04654dd1aaefe988bd76dd9a/FLAG7e5c2e01b [2022-07-12 12:08:28,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39386438/6153e2db04654dd1aaefe988bd76dd9a [2022-07-12 12:08:28,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:08:28,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:08:28,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:08:28,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:08:28,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:08:28,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:08:28" (1/1) ... [2022-07-12 12:08:28,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2743017a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:28, skipping insertion in model container [2022-07-12 12:08:28,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:08:28" (1/1) ... [2022-07-12 12:08:28,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:08:28,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:08:29,762 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-07-12 12:08:29,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:08:29,867 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:08:29,933 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 12:08:29,941 INFO L158 Benchmark]: Toolchain (without parser) took 1382.19ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 77.9MB in the beginning and 86.5MB in the end (delta: -8.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-07-12 12:08:29,942 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 125.8MB. Free memory was 96.5MB in the beginning and 96.5MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:08:29,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.56ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 77.9MB in the beginning and 86.5MB in the end (delta: -8.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-07-12 12:08:29,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 125.8MB. Free memory was 96.5MB in the beginning and 96.5MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.56ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 77.9MB in the beginning and 86.5MB in the end (delta: -8.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.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 e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:08:31,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:08:31,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:08:31,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:08:31,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:08:31,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:08:31,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:08:31,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:08:31,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:08:31,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:08:31,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:08:31,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:08:31,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:08:31,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:08:31,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:08:31,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:08:31,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:08:31,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:08:31,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:08:31,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:08:31,726 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:08:31,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:08:31,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:08:31,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:08:31,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:08:31,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:08:31,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:08:31,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:08:31,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:08:31,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:08:31,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:08:31,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:08:31,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:08:31,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:08:31,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:08:31,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:08:31,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:08:31,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:08:31,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:08:31,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:08:31,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:08:31,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:08:31,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:08:31,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:08:31,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:08:31,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:08:31,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:08:31,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:08:31,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:08:31,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:08:31,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:08:31,763 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:08:31,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:08:31,764 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:08:31,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:08:31,765 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:08:31,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:08:31,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:08:31,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:08:31,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:08:31,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:08:31,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:08:31,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:08:31,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:08:31,766 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:08:31,766 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:08:31,766 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:08:31,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:08:31,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:08:31,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:08:31,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-12 12:08:32,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:08:32,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:08:32,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:08:32,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:08:32,133 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:08:32,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-12 12:08:32,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffc3f4bf/12ba11b18710438c9aa626de3d4d6381/FLAG9f737458f [2022-07-12 12:08:32,964 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:08:32,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-12 12:08:32,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffc3f4bf/12ba11b18710438c9aa626de3d4d6381/FLAG9f737458f [2022-07-12 12:08:33,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffc3f4bf/12ba11b18710438c9aa626de3d4d6381 [2022-07-12 12:08:33,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:08:33,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:08:33,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:08:33,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:08:33,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:08:33,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:08:33" (1/1) ... [2022-07-12 12:08:33,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224d6c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:33, skipping insertion in model container [2022-07-12 12:08:33,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:08:33" (1/1) ... [2022-07-12 12:08:33,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:08:33,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:08:34,602 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-07-12 12:08:34,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:08:34,756 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:08:34,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:08:35,041 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-07-12 12:08:35,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:08:35,101 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:08:35,283 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-07-12 12:08:35,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:08:35,493 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:08:35,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35 WrapperNode [2022-07-12 12:08:35,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:08:35,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:08:35,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:08:35,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:08:35,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:35,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:35,807 INFO L137 Inliner]: procedures = 185, calls = 3575, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 8848 [2022-07-12 12:08:35,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:08:35,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:08:35,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:08:35,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:08:35,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:35,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:35,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:35,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:35,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:36,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:36,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:36,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:08:36,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:08:36,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:08:36,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:08:36,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (1/1) ... [2022-07-12 12:08:36,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:08:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:08:36,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:08:36,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:08:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-12 12:08:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-12 12:08:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-07-12 12:08:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-07-12 12:08:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2022-07-12 12:08:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2022-07-12 12:08:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:08:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-07-12 12:08:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-07-12 12:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-12 12:08:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-12 12:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-12 12:08:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-12 12:08:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-12 12:08:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-12 12:08:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-12 12:08:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-12 12:08:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2022-07-12 12:08:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2022-07-12 12:08:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-12 12:08:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-12 12:08:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2022-07-12 12:08:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2022-07-12 12:08:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:08:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:08:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-07-12 12:08:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-07-12 12:08:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-07-12 12:08:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-07-12 12:08:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-12 12:08:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-12 12:08:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2022-07-12 12:08:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2022-07-12 12:08:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-07-12 12:08:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-07-12 12:08:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-12 12:08:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-12 12:08:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2022-07-12 12:08:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2022-07-12 12:08:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2022-07-12 12:08:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2022-07-12 12:08:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:08:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:08:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:08:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:08:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2022-07-12 12:08:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2022-07-12 12:08:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:08:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:08:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:08:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:08:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:08:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-07-12 12:08:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-07-12 12:08:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:08:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2022-07-12 12:08:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2022-07-12 12:08:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2022-07-12 12:08:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2022-07-12 12:08:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2022-07-12 12:08:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2022-07-12 12:08:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-07-12 12:08:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-07-12 12:08:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:08:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-07-12 12:08:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-07-12 12:08:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:08:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2022-07-12 12:08:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2022-07-12 12:08:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2022-07-12 12:08:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2022-07-12 12:08:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-12 12:08:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-12 12:08:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2022-07-12 12:08:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2022-07-12 12:08:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2022-07-12 12:08:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2022-07-12 12:08:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-07-12 12:08:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-07-12 12:08:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-12 12:08:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-12 12:08:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:08:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2022-07-12 12:08:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2022-07-12 12:08:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2022-07-12 12:08:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2022-07-12 12:08:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:08:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-12 12:08:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-12 12:08:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:08:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:08:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:08:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-12 12:08:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-12 12:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2022-07-12 12:08:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2022-07-12 12:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2022-07-12 12:08:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2022-07-12 12:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:08:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-07-12 12:08:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-07-12 12:08:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:08:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:08:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:08:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-12 12:08:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-12 12:08:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2022-07-12 12:08:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2022-07-12 12:08:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-07-12 12:08:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-07-12 12:08:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2022-07-12 12:08:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2022-07-12 12:08:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2022-07-12 12:08:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2022-07-12 12:08:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:08:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:08:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 12:08:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 12:08:37,155 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:08:37,157 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:08:57,450 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:08:57,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:08:57,474 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:08:57,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:08:57 BoogieIcfgContainer [2022-07-12 12:08:57,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:08:57,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:08:57,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:08:57,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:08:57,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:08:33" (1/3) ... [2022-07-12 12:08:57,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480245b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:08:57, skipping insertion in model container [2022-07-12 12:08:57,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:35" (2/3) ... [2022-07-12 12:08:57,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480245b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:08:57, skipping insertion in model container [2022-07-12 12:08:57,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:08:57" (3/3) ... [2022-07-12 12:08:57,488 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-12 12:08:57,502 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:08:57,502 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:08:57,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:08:57,596 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@7b49cbc3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@32ab83ab [2022-07-12 12:08:57,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:08:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 2109 states, 1626 states have (on average 1.5412054120541205) internal successors, (2506), 1633 states have internal predecessors, (2506), 430 states have call successors, (430), 51 states have call predecessors, (430), 51 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2022-07-12 12:08:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 12:08:57,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:08:57,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:08:57,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:08:57,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:08:57,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1076657471, now seen corresponding path program 1 times [2022-07-12 12:08:57,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:08:57,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004759933] [2022-07-12 12:08:57,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:08:57,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:08:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:08:57,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:08:57,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:09:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:22,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:09:22,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:09:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:09:22,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:09:22,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:09:22,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004759933] [2022-07-12 12:09:22,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004759933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:09:22,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:09:22,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:09:22,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893019856] [2022-07-12 12:09:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:09:22,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:09:22,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:09:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:09:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:09:22,908 INFO L87 Difference]: Start difference. First operand has 2109 states, 1626 states have (on average 1.5412054120541205) internal successors, (2506), 1633 states have internal predecessors, (2506), 430 states have call successors, (430), 51 states have call predecessors, (430), 51 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:09:24,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:09:24,109 INFO L93 Difference]: Finished difference Result 6311 states and 10593 transitions. [2022-07-12 12:09:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:09:24,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-12 12:09:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:09:24,151 INFO L225 Difference]: With dead ends: 6311 [2022-07-12 12:09:24,152 INFO L226 Difference]: Without dead ends: 4197 [2022-07-12 12:09:24,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:09:24,184 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 3338 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 7129 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:09:24,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 7129 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:09:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-07-12 12:09:24,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4182. [2022-07-12 12:09:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4182 states, 3228 states have (on average 1.5412019826517969) internal successors, (4975), 3233 states have internal predecessors, (4975), 853 states have call successors, (853), 101 states have call predecessors, (853), 100 states have return successors, (847), 847 states have call predecessors, (847), 847 states have call successors, (847) [2022-07-12 12:09:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6675 transitions. [2022-07-12 12:09:24,522 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6675 transitions. Word has length 32 [2022-07-12 12:09:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:09:24,523 INFO L495 AbstractCegarLoop]: Abstraction has 4182 states and 6675 transitions. [2022-07-12 12:09:24,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:09:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6675 transitions. [2022-07-12 12:09:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 12:09:24,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:09:24,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:09:24,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:09:24,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:09:24,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:09:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:09:24,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1339455529, now seen corresponding path program 1 times [2022-07-12 12:09:24,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:09:24,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434577007] [2022-07-12 12:09:24,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:09:24,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:09:24,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:09:24,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:09:24,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:09:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:52,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 5460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:09:52,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:09:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:09:52,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:09:52,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:09:52,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434577007] [2022-07-12 12:09:52,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434577007] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:09:52,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:09:52,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:09:52,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798055122] [2022-07-12 12:09:52,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:09:52,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:09:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:09:52,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:09:52,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:09:52,944 INFO L87 Difference]: Start difference. First operand 4182 states and 6675 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:09:54,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:09:54,079 INFO L93 Difference]: Finished difference Result 12528 states and 19999 transitions. [2022-07-12 12:09:54,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:09:54,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-12 12:09:54,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:09:54,130 INFO L225 Difference]: With dead ends: 12528 [2022-07-12 12:09:54,130 INFO L226 Difference]: Without dead ends: 8349 [2022-07-12 12:09:54,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:09:54,155 INFO L413 NwaCegarLoop]: 3787 mSDtfsCounter, 3333 mSDsluCounter, 3344 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 7131 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:09:54,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 7131 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:09:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-07-12 12:09:54,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8334. [2022-07-12 12:09:54,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8334 states, 6435 states have (on average 1.5412587412587413) internal successors, (9918), 6440 states have internal predecessors, (9918), 1698 states have call successors, (1698), 201 states have call predecessors, (1698), 200 states have return successors, (1692), 1692 states have call predecessors, (1692), 1692 states have call successors, (1692) [2022-07-12 12:09:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 13308 transitions. [2022-07-12 12:09:54,422 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 13308 transitions. Word has length 33 [2022-07-12 12:09:54,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:09:54,423 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 13308 transitions. [2022-07-12 12:09:54,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:09:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 13308 transitions. [2022-07-12 12:09:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 12:09:54,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:09:54,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:09:54,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 12:09:54,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:09:54,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:09:54,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:09:54,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2053897929, now seen corresponding path program 1 times [2022-07-12 12:09:54,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:09:54,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487868961] [2022-07-12 12:09:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:09:54,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:09:54,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:09:54,646 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:09:54,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:10:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:19,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:10:19,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:10:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:10:19,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:10:19,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:10:19,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487868961] [2022-07-12 12:10:19,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487868961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:10:19,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:10:19,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:10:19,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61658019] [2022-07-12 12:10:19,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:10:19,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:10:19,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:10:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:10:19,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:10:19,259 INFO L87 Difference]: Start difference. First operand 8334 states and 13308 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:10:20,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:10:20,393 INFO L93 Difference]: Finished difference Result 24956 states and 39850 transitions. [2022-07-12 12:10:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:10:20,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-12 12:10:20,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:10:20,496 INFO L225 Difference]: With dead ends: 24956 [2022-07-12 12:10:20,496 INFO L226 Difference]: Without dead ends: 16625 [2022-07-12 12:10:20,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:10:20,549 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 3328 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:10:20,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 7137 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:10:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2022-07-12 12:10:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16610. [2022-07-12 12:10:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16610 states, 12827 states have (on average 1.540968270055352) internal successors, (19766), 12832 states have internal predecessors, (19766), 3382 states have call successors, (3382), 401 states have call predecessors, (3382), 400 states have return successors, (3376), 3376 states have call predecessors, (3376), 3376 states have call successors, (3376) [2022-07-12 12:10:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 26524 transitions. [2022-07-12 12:10:21,203 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 26524 transitions. Word has length 32 [2022-07-12 12:10:21,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:10:21,203 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 26524 transitions. [2022-07-12 12:10:21,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:10:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 26524 transitions. [2022-07-12 12:10:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 12:10:21,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:10:21,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:10:21,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:10:21,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:10:21,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:10:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:10:21,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2140018186, now seen corresponding path program 1 times [2022-07-12 12:10:21,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:10:21,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270941215] [2022-07-12 12:10:21,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:10:21,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:10:21,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:10:21,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:10:21,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:10:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:45,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 5455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:10:45,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:10:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:10:45,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:10:45,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:10:45,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270941215] [2022-07-12 12:10:45,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270941215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:10:45,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:10:45,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:10:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080556542] [2022-07-12 12:10:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:10:45,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:10:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:10:45,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:10:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:10:45,624 INFO L87 Difference]: Start difference. First operand 16610 states and 26524 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:10:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:10:47,040 INFO L93 Difference]: Finished difference Result 49744 states and 79430 transitions. [2022-07-12 12:10:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:10:47,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-07-12 12:10:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:10:47,190 INFO L225 Difference]: With dead ends: 49744 [2022-07-12 12:10:47,190 INFO L226 Difference]: Without dead ends: 33137 [2022-07-12 12:10:47,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:10:47,264 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 3330 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7152 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:10:47,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:10:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33137 states. [2022-07-12 12:10:48,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33137 to 33122. [2022-07-12 12:10:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33122 states, 25579 states have (on average 1.5405606161304195) internal successors, (39406), 25584 states have internal predecessors, (39406), 6742 states have call successors, (6742), 801 states have call predecessors, (6742), 800 states have return successors, (6736), 6736 states have call predecessors, (6736), 6736 states have call successors, (6736) [2022-07-12 12:10:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33122 states to 33122 states and 52884 transitions. [2022-07-12 12:10:48,500 INFO L78 Accepts]: Start accepts. Automaton has 33122 states and 52884 transitions. Word has length 30 [2022-07-12 12:10:48,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:10:48,501 INFO L495 AbstractCegarLoop]: Abstraction has 33122 states and 52884 transitions. [2022-07-12 12:10:48,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:10:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 33122 states and 52884 transitions. [2022-07-12 12:10:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-12 12:10:48,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:10:48,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:10:48,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:10:48,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:10:48,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:10:48,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:10:48,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1713772628, now seen corresponding path program 1 times [2022-07-12 12:10:48,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:10:48,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181110519] [2022-07-12 12:10:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:10:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:10:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:10:48,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:10:48,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:11:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:12,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 5468 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:11:12,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:11:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:11:12,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:11:12,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:11:12,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181110519] [2022-07-12 12:11:12,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181110519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:11:12,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:11:12,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:11:12,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729292402] [2022-07-12 12:11:12,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:11:12,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:11:12,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:11:12,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:11:12,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:11:12,816 INFO L87 Difference]: Start difference. First operand 33122 states and 52884 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:11:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:11:14,551 INFO L93 Difference]: Finished difference Result 99200 states and 158374 transitions. [2022-07-12 12:11:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:11:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-07-12 12:11:14,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:11:15,046 INFO L225 Difference]: With dead ends: 99200 [2022-07-12 12:11:15,046 INFO L226 Difference]: Without dead ends: 66081 [2022-07-12 12:11:15,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:11:15,186 INFO L413 NwaCegarLoop]: 3868 mSDtfsCounter, 3323 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 7209 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:11:15,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 7209 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:11:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66081 states. [2022-07-12 12:11:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66081 to 66066. [2022-07-12 12:11:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66066 states, 51019 states have (on average 1.5400929065642213) internal successors, (78574), 51024 states have internal predecessors, (78574), 13446 states have call successors, (13446), 1601 states have call predecessors, (13446), 1600 states have return successors, (13440), 13440 states have call predecessors, (13440), 13440 states have call successors, (13440) [2022-07-12 12:11:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105460 transitions. [2022-07-12 12:11:17,741 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105460 transitions. Word has length 37 [2022-07-12 12:11:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:11:17,742 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105460 transitions. [2022-07-12 12:11:17,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:11:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105460 transitions. [2022-07-12 12:11:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-12 12:11:17,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:11:17,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:11:17,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:11:17,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:11:17,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:11:17,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:11:17,960 INFO L85 PathProgramCache]: Analyzing trace with hash 393190319, now seen corresponding path program 1 times [2022-07-12 12:11:17,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:11:17,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438866480] [2022-07-12 12:11:17,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:11:17,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:11:17,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:11:17,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:11:17,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:11:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:41,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 5457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:11:41,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:11:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:11:41,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:11:41,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:11:41,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438866480] [2022-07-12 12:11:41,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438866480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:11:41,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:11:41,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:11:41,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723688223] [2022-07-12 12:11:41,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:11:41,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:11:41,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:11:41,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:11:41,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:11:41,550 INFO L87 Difference]: Start difference. First operand 66066 states and 105460 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:11:44,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:11:44,325 INFO L93 Difference]: Finished difference Result 197872 states and 315830 transitions. [2022-07-12 12:11:44,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:11:44,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-07-12 12:11:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:11:45,277 INFO L225 Difference]: With dead ends: 197872 [2022-07-12 12:11:45,277 INFO L226 Difference]: Without dead ends: 131809 [2022-07-12 12:11:45,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:11:45,538 INFO L413 NwaCegarLoop]: 3899 mSDtfsCounter, 3329 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:11:45,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 7240 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:11:45,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131809 states. [2022-07-12 12:11:48,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131809 to 131794. [2022-07-12 12:11:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131794 states, 101771 states have (on average 1.5395937939098565) internal successors, (156686), 101776 states have internal predecessors, (156686), 26822 states have call successors, (26822), 3201 states have call predecessors, (26822), 3200 states have return successors, (26816), 26816 states have call predecessors, (26816), 26816 states have call successors, (26816) [2022-07-12 12:11:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131794 states to 131794 states and 210324 transitions. [2022-07-12 12:11:49,917 INFO L78 Accepts]: Start accepts. Automaton has 131794 states and 210324 transitions. Word has length 31 [2022-07-12 12:11:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:11:49,917 INFO L495 AbstractCegarLoop]: Abstraction has 131794 states and 210324 transitions. [2022-07-12 12:11:49,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:11:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 131794 states and 210324 transitions. [2022-07-12 12:11:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 12:11:49,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:11:49,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:11:50,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 12:11:50,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:11:50,132 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:11:50,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:11:50,132 INFO L85 PathProgramCache]: Analyzing trace with hash 859197427, now seen corresponding path program 1 times [2022-07-12 12:11:50,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:11:50,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084932334] [2022-07-12 12:11:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:11:50,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:11:50,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:11:50,138 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:11:50,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 12:12:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:14,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 5471 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:14,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:14,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:14,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:14,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084932334] [2022-07-12 12:12:14,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084932334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:14,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:14,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:14,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272740786] [2022-07-12 12:12:14,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:14,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:14,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:14,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:14,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:14,601 INFO L87 Difference]: Start difference. First operand 131794 states and 210324 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:12:19,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:19,927 INFO L93 Difference]: Finished difference Result 394736 states and 629878 transitions. [2022-07-12 12:12:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:19,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-12 12:12:19,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:21,641 INFO L225 Difference]: With dead ends: 394736 [2022-07-12 12:12:21,641 INFO L226 Difference]: Without dead ends: 262945 [2022-07-12 12:12:22,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:22,369 INFO L413 NwaCegarLoop]: 4164 mSDtfsCounter, 3322 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 7505 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:22,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 7505 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 12:12:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262945 states. [2022-07-12 12:12:29,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262945 to 262930. [2022-07-12 12:12:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262930 states, 203019 states have (on average 1.5390776232766392) internal successors, (312462), 203024 states have internal predecessors, (312462), 53510 states have call successors, (53510), 6401 states have call predecessors, (53510), 6400 states have return successors, (53504), 53504 states have call predecessors, (53504), 53504 states have call successors, (53504) [2022-07-12 12:12:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262930 states to 262930 states and 419476 transitions. [2022-07-12 12:12:31,556 INFO L78 Accepts]: Start accepts. Automaton has 262930 states and 419476 transitions. Word has length 38 [2022-07-12 12:12:31,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:31,557 INFO L495 AbstractCegarLoop]: Abstraction has 262930 states and 419476 transitions. [2022-07-12 12:12:31,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 12:12:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 262930 states and 419476 transitions. [2022-07-12 12:12:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-12 12:12:31,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:31,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:12:31,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-12 12:12:31,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:31,771 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:31,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:31,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1596138175, now seen corresponding path program 1 times [2022-07-12 12:12:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:12:31,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943098349] [2022-07-12 12:12:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:31,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:12:31,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:12:31,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:12:31,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process