./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 35987657 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-?-3598765 [2022-07-21 10:42:29,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:42:29,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:42:29,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:42:29,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:42:29,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:42:29,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:42:29,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:42:29,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:42:29,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:42:29,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:42:29,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:42:29,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:42:29,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:42:29,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:42:29,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:42:29,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:42:29,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:42:29,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:42:29,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:42:29,981 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:42:29,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:42:29,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:42:29,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:42:29,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:42:29,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:42:29,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:42:29,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:42:29,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:42:29,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:42:29,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:42:29,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:42:29,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:42:29,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:42:29,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:42:29,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:42:29,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:42:29,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:42:29,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:42:29,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:42:29,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:42:29,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:42:29,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:42:30,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:42:30,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:42:30,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:42:30,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:42:30,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:42:30,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:42:30,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:42:30,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:42:30,026 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:42:30,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:42:30,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:42:30,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:42:30,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:42:30,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:42:30,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:42:30,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:42:30,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:42:30,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:42:30,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:42:30,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:42:30,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:42:30,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:42:30,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:42:30,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:42:30,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:42:30,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:42:30,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:42:30,030 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:42:30,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:42:30,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:42:30,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-21 10:42:30,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:42:30,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:42:30,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:42:30,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:42:30,337 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:42:30,338 INFO L432 ainManager$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 [2022-07-21 10:42:30,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4062de51/b9159d5ec12c4b8a966d7b24a85662dc/FLAGa3ddbc24a [2022-07-21 10:42:31,033 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:42:31,034 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 [2022-07-21 10:42:31,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4062de51/b9159d5ec12c4b8a966d7b24a85662dc/FLAGa3ddbc24a [2022-07-21 10:42:31,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4062de51/b9159d5ec12c4b8a966d7b24a85662dc [2022-07-21 10:42:31,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:42:31,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:42:31,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:42:31,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:42:31,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:42:31,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:42:31" (1/1) ... [2022-07-21 10:42:31,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc92df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:31, skipping insertion in model container [2022-07-21 10:42:31,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:42:31" (1/1) ... [2022-07-21 10:42:31,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:42:31,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:42:32,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-07-21 10:42:32,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:42:32,500 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:42:32,581 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) [2022-07-21 10:42:32,586 INFO L158 Benchmark]: Toolchain (without parser) took 1376.45ms. Allocated memory was 58.7MB in the beginning and 104.9MB in the end (delta: 46.1MB). Free memory was 26.9MB in the beginning and 42.2MB in the end (delta: -15.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-07-21 10:42:32,587 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:42:32,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.96ms. Allocated memory was 58.7MB in the beginning and 104.9MB in the end (delta: 46.1MB). Free memory was 26.7MB in the beginning and 42.2MB in the end (delta: -15.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-07-21 10:42:32,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.96ms. Allocated memory was 58.7MB in the beginning and 104.9MB in the end (delta: 46.1MB). Free memory was 26.7MB in the beginning and 42.2MB in the end (delta: -15.5MB). Peak memory consumption was 29.8MB. 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-?-3598765 [2022-07-21 10:42:34,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:42:34,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:42:34,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:42:34,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:42:34,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:42:34,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:42:34,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:42:34,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:42:34,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:42:34,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:42:34,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:42:34,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:42:34,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:42:34,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:42:34,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:42:34,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:42:34,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:42:34,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:42:34,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:42:34,224 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:42:34,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:42:34,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:42:34,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:42:34,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:42:34,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:42:34,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:42:34,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:42:34,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:42:34,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:42:34,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:42:34,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:42:34,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:42:34,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:42:34,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:42:34,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:42:34,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:42:34,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:42:34,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:42:34,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:42:34,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:42:34,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:42:34,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:42:34,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:42:34,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:42:34,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:42:34,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:42:34,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:42:34,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:42:34,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:42:34,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:42:34,275 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:42:34,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:42:34,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:42:34,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:42:34,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:42:34,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:42:34,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:42:34,277 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:42:34,277 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:42:34,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:42:34,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:42:34,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:42:34,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:42:34,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:42:34,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:42:34,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:42:34,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:42:34,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:42:34,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:42:34,278 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:42:34,279 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:42:34,279 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:42:34,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:42:34,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:42:34,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:42:34,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-21 10:42:34,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:42:34,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:42:34,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:42:34,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:42:34,577 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:42:34,578 INFO L432 ainManager$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 [2022-07-21 10:42:34,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7448db8a/a4f5045372fe45ee99695e777b97586e/FLAG236bacb8d [2022-07-21 10:42:35,249 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:42:35,250 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 [2022-07-21 10:42:35,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7448db8a/a4f5045372fe45ee99695e777b97586e/FLAG236bacb8d [2022-07-21 10:42:35,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7448db8a/a4f5045372fe45ee99695e777b97586e [2022-07-21 10:42:35,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:42:35,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:42:35,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:42:35,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:42:35,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:42:35,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:42:35" (1/1) ... [2022-07-21 10:42:35,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8c3b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:35, skipping insertion in model container [2022-07-21 10:42:35,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:42:35" (1/1) ... [2022-07-21 10:42:35,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:42:35,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:42:36,848 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] [2022-07-21 10:42:36,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:42:37,000 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:42:37,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:42:37,228 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] [2022-07-21 10:42:37,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:42:37,294 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:42:37,494 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] [2022-07-21 10:42:37,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:42:37,729 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:42:37,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37 WrapperNode [2022-07-21 10:42:37,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:42:37,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:42:37,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:42:37,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:42:37,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:37,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:37,984 INFO L137 Inliner]: procedures = 185, calls = 3575, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 8848 [2022-07-21 10:42:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:42:37,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:42:37,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:42:37,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:42:37,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:37,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:42:38,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:42:38,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:42:38,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:42:38,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:38,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:42:38,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:42:38,304 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) [2022-07-21 10:42:38,309 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 [2022-07-21 10:42:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-21 10:42:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-21 10:42:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-07-21 10:42:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-07-21 10:42:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2022-07-21 10:42:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-07-21 10:42:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-21 10:42:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:42:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-21 10:42:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-21 10:42:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-21 10:42:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-21 10:42:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-21 10:42:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-21 10:42:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2022-07-21 10:42:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2022-07-21 10:42:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-21 10:42:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-21 10:42:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2022-07-21 10:42:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2022-07-21 10:42:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:42:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:42:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-07-21 10:42:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-07-21 10:42:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-07-21 10:42:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-07-21 10:42:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-21 10:42:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-21 10:42:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2022-07-21 10:42:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2022-07-21 10:42:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-07-21 10:42:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-07-21 10:42:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-21 10:42:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-21 10:42:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2022-07-21 10:42:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2022-07-21 10:42:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2022-07-21 10:42:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2022-07-21 10:42:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:42:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:42:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:42:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:42:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2022-07-21 10:42:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2022-07-21 10:42:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:42:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:42:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:42:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:42:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:42:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-07-21 10:42:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-07-21 10:42:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:42:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2022-07-21 10:42:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2022-07-21 10:42:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2022-07-21 10:42:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2022-07-21 10:42:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2022-07-21 10:42:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2022-07-21 10:42:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-07-21 10:42:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-07-21 10:42:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:42:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-07-21 10:42:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-07-21 10:42:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:42:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2022-07-21 10:42:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2022-07-21 10:42:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2022-07-21 10:42:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2022-07-21 10:42:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-21 10:42:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-21 10:42:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2022-07-21 10:42:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2022-07-21 10:42:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2022-07-21 10:42:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2022-07-21 10:42:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-07-21 10:42:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-07-21 10:42:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-21 10:42:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-21 10:42:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:42:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2022-07-21 10:42:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2022-07-21 10:42:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2022-07-21 10:42:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2022-07-21 10:42:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 10:42:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-21 10:42:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-21 10:42:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:42:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2022-07-21 10:42:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2022-07-21 10:42:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2022-07-21 10:42:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2022-07-21 10:42:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 10:42:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-07-21 10:42:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-07-21 10:42:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:42:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:42:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 10:42:38,342 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-21 10:42:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-21 10:42:38,342 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2022-07-21 10:42:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2022-07-21 10:42:38,342 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-07-21 10:42:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-07-21 10:42:38,342 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2022-07-21 10:42:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2022-07-21 10:42:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2022-07-21 10:42:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2022-07-21 10:42:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:42:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:42:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 10:42:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 10:42:38,996 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:42:38,998 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:42:56,677 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:42:56,694 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:42:56,695 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:42:56,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:42:56 BoogieIcfgContainer [2022-07-21 10:42:56,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:42:56,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:42:56,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:42:56,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:42:56,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:42:35" (1/3) ... [2022-07-21 10:42:56,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d005ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:42:56, skipping insertion in model container [2022-07-21 10:42:56,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37" (2/3) ... [2022-07-21 10:42:56,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d005ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:42:56, skipping insertion in model container [2022-07-21 10:42:56,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:42:56" (3/3) ... [2022-07-21 10:42:56,706 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-21 10:42:56,717 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:42:56,718 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:42:56,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:42:56,801 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@6bf8c076, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3bc35cf9 [2022-07-21 10:42:56,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:42:56,809 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) [2022-07-21 10:42:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 10:42:56,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:42:56,820 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] [2022-07-21 10:42:56,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:42:56,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:42:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1076657471, now seen corresponding path program 1 times [2022-07-21 10:42:56,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:42:56,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659154637] [2022-07-21 10:42:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:42:56,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:42:56,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:42:56,842 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) [2022-07-21 10:42:56,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:43:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:20,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:43:20,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:43:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:43:20,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:43:20,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:43:20,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659154637] [2022-07-21 10:43:20,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659154637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:43:20,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:43:20,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:43:20,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55081780] [2022-07-21 10:43:20,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:43:20,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:43:20,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:43:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:43:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:43:20,442 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) [2022-07-21 10:43:21,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:43:21,597 INFO L93 Difference]: Finished difference Result 6311 states and 10593 transitions. [2022-07-21 10:43:21,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:43:21,599 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 [2022-07-21 10:43:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:43:21,635 INFO L225 Difference]: With dead ends: 6311 [2022-07-21 10:43:21,635 INFO L226 Difference]: Without dead ends: 4197 [2022-07-21 10:43:21,662 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 [2022-07-21 10:43:21,667 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 [2022-07-21 10:43:21,668 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] [2022-07-21 10:43:21,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-07-21 10:43:21,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4182. [2022-07-21 10:43:21,901 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) [2022-07-21 10:43:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6675 transitions. [2022-07-21 10:43:21,922 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6675 transitions. Word has length 32 [2022-07-21 10:43:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:43:21,923 INFO L495 AbstractCegarLoop]: Abstraction has 4182 states and 6675 transitions. [2022-07-21 10:43:21,923 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) [2022-07-21 10:43:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6675 transitions. [2022-07-21 10:43:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 10:43:21,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:43:21,925 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] [2022-07-21 10:43:22,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 10:43:22,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:43:22,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:43:22,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:43:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1339455529, now seen corresponding path program 1 times [2022-07-21 10:43:22,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:43:22,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010411889] [2022-07-21 10:43:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:43:22,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:43:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:43:22,161 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) [2022-07-21 10:43:22,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:43:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:45,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 5460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:43:45,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:43:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:43:45,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:43:45,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:43:45,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010411889] [2022-07-21 10:43:45,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010411889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:43:45,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:43:45,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:43:45,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934314259] [2022-07-21 10:43:45,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:43:45,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:43:45,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:43:45,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:43:45,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:43:45,973 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) [2022-07-21 10:43:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:43:47,009 INFO L93 Difference]: Finished difference Result 12528 states and 19999 transitions. [2022-07-21 10:43:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:43:47,010 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 [2022-07-21 10:43:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:43:47,058 INFO L225 Difference]: With dead ends: 12528 [2022-07-21 10:43:47,058 INFO L226 Difference]: Without dead ends: 8349 [2022-07-21 10:43:47,080 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 [2022-07-21 10:43:47,082 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 [2022-07-21 10:43:47,083 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] [2022-07-21 10:43:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-07-21 10:43:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8334. [2022-07-21 10:43:47,290 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) [2022-07-21 10:43:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 13308 transitions. [2022-07-21 10:43:47,324 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 13308 transitions. Word has length 33 [2022-07-21 10:43:47,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:43:47,325 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 13308 transitions. [2022-07-21 10:43:47,325 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) [2022-07-21 10:43:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 13308 transitions. [2022-07-21 10:43:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 10:43:47,328 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:43:47,328 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] [2022-07-21 10:43:47,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 10:43:47,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:43:47,548 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:43:47,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:43:47,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2053897929, now seen corresponding path program 1 times [2022-07-21 10:43:47,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:43:47,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542513384] [2022-07-21 10:43:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:43:47,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:43:47,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:43:47,558 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) [2022-07-21 10:43:47,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:44:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:10,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:44:10,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:44:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:10,473 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:44:10,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:44:10,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542513384] [2022-07-21 10:44:10,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542513384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:10,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:10,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:10,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936284307] [2022-07-21 10:44:10,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:10,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:10,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:44:10,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:10,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:10,475 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) [2022-07-21 10:44:11,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:11,668 INFO L93 Difference]: Finished difference Result 24956 states and 39850 transitions. [2022-07-21 10:44:11,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:11,668 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 [2022-07-21 10:44:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:11,771 INFO L225 Difference]: With dead ends: 24956 [2022-07-21 10:44:11,771 INFO L226 Difference]: Without dead ends: 16625 [2022-07-21 10:44:11,818 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 [2022-07-21 10:44:11,821 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 3328 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:11,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 7137 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 10:44:11,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2022-07-21 10:44:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16610. [2022-07-21 10:44:12,255 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) [2022-07-21 10:44:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 26524 transitions. [2022-07-21 10:44:12,318 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 26524 transitions. Word has length 32 [2022-07-21 10:44:12,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:12,319 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 26524 transitions. [2022-07-21 10:44:12,319 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) [2022-07-21 10:44:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 26524 transitions. [2022-07-21 10:44:12,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 10:44:12,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:12,321 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] [2022-07-21 10:44:12,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 10:44:12,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:44:12,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:12,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2140018186, now seen corresponding path program 1 times [2022-07-21 10:44:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:44:12,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670632167] [2022-07-21 10:44:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:12,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:44:12,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:44:12,551 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) [2022-07-21 10:44:12,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 10:44:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:35,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 5455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:44:35,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:44:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:35,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:44:35,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:44:35,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670632167] [2022-07-21 10:44:35,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670632167] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:35,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:35,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:35,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866995979] [2022-07-21 10:44:35,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:35,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:35,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:44:35,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:35,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:35,701 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) [2022-07-21 10:44:37,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:37,014 INFO L93 Difference]: Finished difference Result 49744 states and 79430 transitions. [2022-07-21 10:44:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:37,015 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 [2022-07-21 10:44:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:37,154 INFO L225 Difference]: With dead ends: 49744 [2022-07-21 10:44:37,154 INFO L226 Difference]: Without dead ends: 33137 [2022-07-21 10:44:37,227 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 [2022-07-21 10:44:37,229 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 3330 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:37,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 10:44:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33137 states. [2022-07-21 10:44:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33137 to 33122. [2022-07-21 10:44:38,154 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) [2022-07-21 10:44:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33122 states to 33122 states and 52884 transitions. [2022-07-21 10:44:38,294 INFO L78 Accepts]: Start accepts. Automaton has 33122 states and 52884 transitions. Word has length 30 [2022-07-21 10:44:38,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:38,295 INFO L495 AbstractCegarLoop]: Abstraction has 33122 states and 52884 transitions. [2022-07-21 10:44:38,295 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) [2022-07-21 10:44:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 33122 states and 52884 transitions. [2022-07-21 10:44:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 10:44:38,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:38,297 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] [2022-07-21 10:44:38,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 10:44:38,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:44:38,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:38,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1713772628, now seen corresponding path program 1 times [2022-07-21 10:44:38,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:44:38,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538579544] [2022-07-21 10:44:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:38,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:44:38,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:44:38,519 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) [2022-07-21 10:44:38,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 10:45:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:02,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 5468 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:45:02,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:45:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:45:02,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:45:02,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:45:02,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538579544] [2022-07-21 10:45:02,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538579544] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:45:02,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:45:02,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:45:02,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998748722] [2022-07-21 10:45:02,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:45:02,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:45:02,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:45:02,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:45:02,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:45:02,088 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) [2022-07-21 10:45:04,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:45:04,111 INFO L93 Difference]: Finished difference Result 99200 states and 158374 transitions. [2022-07-21 10:45:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:45:04,111 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 [2022-07-21 10:45:04,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:45:04,449 INFO L225 Difference]: With dead ends: 99200 [2022-07-21 10:45:04,449 INFO L226 Difference]: Without dead ends: 66081 [2022-07-21 10:45:04,694 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 [2022-07-21 10:45:04,707 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 [2022-07-21 10:45:04,708 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] [2022-07-21 10:45:04,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66081 states. [2022-07-21 10:45:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66081 to 66066. [2022-07-21 10:45:06,553 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) [2022-07-21 10:45:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105460 transitions. [2022-07-21 10:45:06,822 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105460 transitions. Word has length 37 [2022-07-21 10:45:06,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:45:06,823 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105460 transitions. [2022-07-21 10:45:06,823 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) [2022-07-21 10:45:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105460 transitions. [2022-07-21 10:45:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-21 10:45:06,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:45:06,825 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] [2022-07-21 10:45:06,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 10:45:07,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:45:07,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:45:07,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:45:07,040 INFO L85 PathProgramCache]: Analyzing trace with hash 393190319, now seen corresponding path program 1 times [2022-07-21 10:45:07,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:45:07,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241931194] [2022-07-21 10:45:07,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:45:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:45:07,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:45:07,046 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) [2022-07-21 10:45:07,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 10:45:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:30,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 5457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:45:30,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:45:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:45:30,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:45:30,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:45:30,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241931194] [2022-07-21 10:45:30,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241931194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:45:30,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:45:30,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:45:30,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042805308] [2022-07-21 10:45:30,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:45:30,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:45:30,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:45:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:45:30,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:45:30,409 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) [2022-07-21 10:45:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:45:33,170 INFO L93 Difference]: Finished difference Result 197872 states and 315830 transitions. [2022-07-21 10:45:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:45:33,171 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 [2022-07-21 10:45:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:45:33,942 INFO L225 Difference]: With dead ends: 197872 [2022-07-21 10:45:33,942 INFO L226 Difference]: Without dead ends: 131809 [2022-07-21 10:45:34,294 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 [2022-07-21 10:45:34,295 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 [2022-07-21 10:45:34,296 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] [2022-07-21 10:45:34,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131809 states. [2022-07-21 10:45:37,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131809 to 131794. [2022-07-21 10:45:37,786 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) [2022-07-21 10:45:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131794 states to 131794 states and 210324 transitions. [2022-07-21 10:45:38,617 INFO L78 Accepts]: Start accepts. Automaton has 131794 states and 210324 transitions. Word has length 31 [2022-07-21 10:45:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:45:38,617 INFO L495 AbstractCegarLoop]: Abstraction has 131794 states and 210324 transitions. [2022-07-21 10:45:38,618 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) [2022-07-21 10:45:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 131794 states and 210324 transitions. [2022-07-21 10:45:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-21 10:45:38,619 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:45:38,619 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] [2022-07-21 10:45:38,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 10:45:38,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:45:38,827 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:45:38,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:45:38,827 INFO L85 PathProgramCache]: Analyzing trace with hash 859197427, now seen corresponding path program 1 times [2022-07-21 10:45:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:45:38,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339702651] [2022-07-21 10:45:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:45:38,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:45:38,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:45:38,833 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) [2022-07-21 10:45:38,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 10:46:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:01,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 5471 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:01,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:02,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:02,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:02,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339702651] [2022-07-21 10:46:02,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339702651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:02,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:02,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:02,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615207301] [2022-07-21 10:46:02,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:02,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:02,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:02,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:02,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:02,010 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) [2022-07-21 10:46:06,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:06,734 INFO L93 Difference]: Finished difference Result 394736 states and 629878 transitions. [2022-07-21 10:46:06,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:06,735 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 [2022-07-21 10:46:06,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:08,051 INFO L225 Difference]: With dead ends: 394736 [2022-07-21 10:46:08,052 INFO L226 Difference]: Without dead ends: 262945 [2022-07-21 10:46:08,644 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 [2022-07-21 10:46:08,645 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 [2022-07-21 10:46:08,645 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] [2022-07-21 10:46:08,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262945 states. [2022-07-21 10:46:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262945 to 262930. [2022-07-21 10:46:15,064 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) [2022-07-21 10:46:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262930 states to 262930 states and 419476 transitions. [2022-07-21 10:46:16,466 INFO L78 Accepts]: Start accepts. Automaton has 262930 states and 419476 transitions. Word has length 38 [2022-07-21 10:46:16,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:16,466 INFO L495 AbstractCegarLoop]: Abstraction has 262930 states and 419476 transitions. [2022-07-21 10:46:16,466 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) [2022-07-21 10:46:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 262930 states and 419476 transitions. [2022-07-21 10:46:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-21 10:46:16,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:16,468 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] [2022-07-21 10:46:16,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-21 10:46:16,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:16,683 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:16,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:16,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1596138175, now seen corresponding path program 1 times [2022-07-21 10:46:16,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:46:16,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251949638] [2022-07-21 10:46:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:16,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:46:16,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:46:16,690 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) [2022-07-21 10:46:16,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 10:46:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:39,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 5466 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:39,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:39,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:39,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:39,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251949638] [2022-07-21 10:46:39,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251949638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:39,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:39,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:39,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892766265] [2022-07-21 10:46:39,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:39,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:39,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:39,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:39,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:39,950 INFO L87 Difference]: Start difference. First operand 262930 states and 419476 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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)