./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-13 23:48:28,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:48:28,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:48:28,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:48:28,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:48:28,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:48:28,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:48:28,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:48:28,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:48:28,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:48:28,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:48:28,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:48:28,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:48:28,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:48:28,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:48:28,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:48:28,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:48:28,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:48:28,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:48:28,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:48:28,536 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:48:28,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:48:28,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:48:28,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:48:28,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:48:28,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:48:28,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:48:28,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:48:28,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:48:28,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:48:28,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:48:28,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:48:28,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:48:28,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:48:28,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:48:28,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:48:28,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:48:28,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:48:28,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:48:28,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:48:28,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:48:28,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:48:28,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:48:28,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:48:28,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:48:28,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:48:28,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:48:28,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:48:28,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:48:28,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:48:28,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:48:28,584 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:48:28,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:48:28,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:48:28,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:48:28,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:48:28,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:48:28,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:48:28,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:48:28,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:48:28,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:48:28,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:48:28,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:48:28,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:48:28,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:48:28,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:48:28,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:48:28,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-13 23:48:28,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:48:28,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:48:28,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:48:28,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:48:28,805 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:48:28,806 INFO L432 ainManager$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 [2022-07-13 23:48:28,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83070c14/296ea13bd010440cb96a0cccd3594b74/FLAG98fc042f6 [2022-07-13 23:48:29,434 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:48:29,435 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 [2022-07-13 23:48:29,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83070c14/296ea13bd010440cb96a0cccd3594b74/FLAG98fc042f6 [2022-07-13 23:48:29,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83070c14/296ea13bd010440cb96a0cccd3594b74 [2022-07-13 23:48:29,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:48:29,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:48:29,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:48:29,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:48:29,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:48:29,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:48:29" (1/1) ... [2022-07-13 23:48:29,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14559ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:29, skipping insertion in model container [2022-07-13 23:48:29,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:48:29" (1/1) ... [2022-07-13 23:48:29,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:48:29,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:48:31,143 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] [2022-07-13 23:48:31,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:48:31,309 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:48:31,372 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) [2022-07-13 23:48:31,379 INFO L158 Benchmark]: Toolchain (without parser) took 1493.77ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.5MB in the beginning and 70.3MB in the end (delta: -7.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-07-13 23:48:31,380 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:48:31,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.01ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.2MB in the beginning and 70.3MB in the end (delta: -8.1MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-07-13 23:48:31,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.01ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 62.2MB in the beginning and 70.3MB in the end (delta: -8.1MB). Peak memory consumption was 46.9MB. 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-?-f4b24e3 [2022-07-13 23:48:32,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:48:32,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:48:32,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:48:32,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:48:32,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:48:32,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:48:32,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:48:32,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:48:32,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:48:32,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:48:32,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:48:32,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:48:32,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:48:32,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:48:32,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:48:32,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:48:32,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:48:32,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:48:32,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:48:32,957 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:48:32,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:48:32,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:48:32,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:48:32,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:48:32,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:48:32,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:48:32,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:48:32,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:48:32,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:48:32,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:48:32,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:48:32,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:48:32,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:48:32,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:48:32,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:48:32,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:48:32,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:48:32,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:48:32,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:48:32,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:48:32,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:48:32,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:48:33,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:48:33,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:48:33,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:48:33,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:48:33,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:48:33,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:48:33,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:48:33,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:48:33,022 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:48:33,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:48:33,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:48:33,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:48:33,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:48:33,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:48:33,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:48:33,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:48:33,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:48:33,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:48:33,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:48:33,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:48:33,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:48:33,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:48:33,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:48:33,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:48:33,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:48:33,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:48:33,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:48:33,025 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:48:33,025 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:48:33,026 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:48:33,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:48:33,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:48:33,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:48:33,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-13 23:48:33,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:48:33,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:48:33,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:48:33,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:48:33,328 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:48:33,329 INFO L432 ainManager$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 [2022-07-13 23:48:33,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa0f4bf2/12c0ae0ad39f4d7990a705c405085f92/FLAG572a52f33 [2022-07-13 23:48:34,015 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:48:34,016 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 [2022-07-13 23:48:34,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa0f4bf2/12c0ae0ad39f4d7990a705c405085f92/FLAG572a52f33 [2022-07-13 23:48:34,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa0f4bf2/12c0ae0ad39f4d7990a705c405085f92 [2022-07-13 23:48:34,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:48:34,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:48:34,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:48:34,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:48:34,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:48:34,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:48:34" (1/1) ... [2022-07-13 23:48:34,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e465d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:34, skipping insertion in model container [2022-07-13 23:48:34,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:48:34" (1/1) ... [2022-07-13 23:48:34,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:48:34,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:48:35,243 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] [2022-07-13 23:48:35,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:48:35,381 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:48:35,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:48:35,643 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] [2022-07-13 23:48:35,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:48:35,710 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:48:35,940 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] [2022-07-13 23:48:35,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:48:36,163 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:48:36,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36 WrapperNode [2022-07-13 23:48:36,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:48:36,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:48:36,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:48:36,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:48:36,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,439 INFO L137 Inliner]: procedures = 185, calls = 3575, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 8848 [2022-07-13 23:48:36,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:48:36,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:48:36,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:48:36,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:48:36,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:48:36,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:48:36,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:48:36,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:48:36,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (1/1) ... [2022-07-13 23:48:36,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:48:36,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:48:36,801 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) [2022-07-13 23:48:36,807 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 [2022-07-13 23:48:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-13 23:48:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-13 23:48:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-07-13 23:48:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-07-13 23:48:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2022-07-13 23:48:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2022-07-13 23:48:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:48:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-07-13 23:48:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-07-13 23:48:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-13 23:48:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-13 23:48:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-13 23:48:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:48:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:48:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-13 23:48:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-13 23:48:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-13 23:48:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-13 23:48:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-13 23:48:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-13 23:48:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2022-07-13 23:48:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2022-07-13 23:48:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-13 23:48:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-13 23:48:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2022-07-13 23:48:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2022-07-13 23:48:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:48:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:48:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-07-13 23:48:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-07-13 23:48:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-07-13 23:48:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-07-13 23:48:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-13 23:48:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-13 23:48:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2022-07-13 23:48:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2022-07-13 23:48:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-07-13 23:48:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-07-13 23:48:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-13 23:48:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-13 23:48:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2022-07-13 23:48:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2022-07-13 23:48:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2022-07-13 23:48:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2022-07-13 23:48:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:48:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:48:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:48:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:48:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2022-07-13 23:48:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2022-07-13 23:48:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:48:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:48:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:48:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:48:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:48:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-07-13 23:48:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-07-13 23:48:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:48:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2022-07-13 23:48:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2022-07-13 23:48:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2022-07-13 23:48:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2022-07-13 23:48:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2022-07-13 23:48:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2022-07-13 23:48:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-07-13 23:48:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-07-13 23:48:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:48:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-07-13 23:48:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-07-13 23:48:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:48:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2022-07-13 23:48:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2022-07-13 23:48:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2022-07-13 23:48:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2022-07-13 23:48:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-13 23:48:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-13 23:48:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2022-07-13 23:48:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2022-07-13 23:48:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2022-07-13 23:48:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2022-07-13 23:48:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-07-13 23:48:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-07-13 23:48:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-13 23:48:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-13 23:48:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:48:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2022-07-13 23:48:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2022-07-13 23:48:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2022-07-13 23:48:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2022-07-13 23:48:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-13 23:48:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-13 23:48:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-13 23:48:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:48:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:48:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:48:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:48:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-13 23:48:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-13 23:48:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:48:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2022-07-13 23:48:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2022-07-13 23:48:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2022-07-13 23:48:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2022-07-13 23:48:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:48:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-07-13 23:48:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-07-13 23:48:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:48:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:48:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:48:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-13 23:48:36,843 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-13 23:48:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2022-07-13 23:48:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2022-07-13 23:48:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-07-13 23:48:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-07-13 23:48:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2022-07-13 23:48:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2022-07-13 23:48:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2022-07-13 23:48:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2022-07-13 23:48:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:48:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:48:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-13 23:48:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-13 23:48:37,632 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:48:37,634 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:48:56,959 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:48:56,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:48:56,972 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:48:56,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:48:56 BoogieIcfgContainer [2022-07-13 23:48:56,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:48:56,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:48:56,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:48:56,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:48:56,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:48:34" (1/3) ... [2022-07-13 23:48:56,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ccfc99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:48:56, skipping insertion in model container [2022-07-13 23:48:56,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:36" (2/3) ... [2022-07-13 23:48:56,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ccfc99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:48:56, skipping insertion in model container [2022-07-13 23:48:56,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:48:56" (3/3) ... [2022-07-13 23:48:56,980 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-13 23:48:56,989 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:48:56,990 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:48:57,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:48:57,049 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@212b5dda, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3b9b7dc4 [2022-07-13 23:48:57,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:48:57,058 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) [2022-07-13 23:48:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 23:48:57,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:48:57,070 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] [2022-07-13 23:48:57,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:48:57,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:48:57,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1076657471, now seen corresponding path program 1 times [2022-07-13 23:48:57,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:48:57,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893145530] [2022-07-13 23:48:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:48:57,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:48:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:48:57,090 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) [2022-07-13 23:48:57,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 23:49:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:20,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:49:20,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:49:20,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:20,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:49:20,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893145530] [2022-07-13 23:49:20,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893145530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:20,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:49:20,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:49:20,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893265920] [2022-07-13 23:49:20,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:20,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:49:20,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:49:20,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:49:20,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:49:20,523 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) [2022-07-13 23:49:21,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:21,655 INFO L93 Difference]: Finished difference Result 6311 states and 10593 transitions. [2022-07-13 23:49:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:49:21,658 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 [2022-07-13 23:49:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:21,691 INFO L225 Difference]: With dead ends: 6311 [2022-07-13 23:49:21,691 INFO L226 Difference]: Without dead ends: 4197 [2022-07-13 23:49:21,715 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 [2022-07-13 23:49:21,717 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 [2022-07-13 23:49:21,718 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] [2022-07-13 23:49:21,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-07-13 23:49:21,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4182. [2022-07-13 23:49:21,969 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) [2022-07-13 23:49:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6675 transitions. [2022-07-13 23:49:21,997 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6675 transitions. Word has length 32 [2022-07-13 23:49:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:21,998 INFO L495 AbstractCegarLoop]: Abstraction has 4182 states and 6675 transitions. [2022-07-13 23:49:21,998 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) [2022-07-13 23:49:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6675 transitions. [2022-07-13 23:49:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-13 23:49:22,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:22,005 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] [2022-07-13 23:49:22,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:22,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:49:22,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:22,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:22,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1339455529, now seen corresponding path program 1 times [2022-07-13 23:49:22,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:49:22,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937517169] [2022-07-13 23:49:22,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:22,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:49:22,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:49:22,243 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) [2022-07-13 23:49:22,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 23:49:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:45,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 5460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:49:45,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:49:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:49:45,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:49:45,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:49:45,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937517169] [2022-07-13 23:49:45,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937517169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:45,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:49:45,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:49:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380285578] [2022-07-13 23:49:45,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:45,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:49:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:49:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:49:45,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:49:45,217 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) [2022-07-13 23:49:46,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:46,241 INFO L93 Difference]: Finished difference Result 12528 states and 19999 transitions. [2022-07-13 23:49:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:49:46,242 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 [2022-07-13 23:49:46,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:46,293 INFO L225 Difference]: With dead ends: 12528 [2022-07-13 23:49:46,294 INFO L226 Difference]: Without dead ends: 8349 [2022-07-13 23:49:46,318 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 [2022-07-13 23:49:46,320 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 [2022-07-13 23:49:46,321 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] [2022-07-13 23:49:46,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-07-13 23:49:46,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8334. [2022-07-13 23:49:46,560 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) [2022-07-13 23:49:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 13308 transitions. [2022-07-13 23:49:46,593 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 13308 transitions. Word has length 33 [2022-07-13 23:49:46,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:46,593 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 13308 transitions. [2022-07-13 23:49:46,593 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) [2022-07-13 23:49:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 13308 transitions. [2022-07-13 23:49:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 23:49:46,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:46,595 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] [2022-07-13 23:49:46,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 23:49:46,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:49:46,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:46,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:46,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2053897929, now seen corresponding path program 1 times [2022-07-13 23:49:46,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:49:46,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262360184] [2022-07-13 23:49:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:46,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:49:46,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:49:46,842 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) [2022-07-13 23:49:46,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 23:50:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:10,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:50:10,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:50:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:50:10,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:50:10,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:50:10,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262360184] [2022-07-13 23:50:10,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262360184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:50:10,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:50:10,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:50:10,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199643993] [2022-07-13 23:50:10,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:50:10,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:50:10,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:50:10,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:50:10,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:50:10,307 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) [2022-07-13 23:50:11,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:11,451 INFO L93 Difference]: Finished difference Result 24956 states and 39850 transitions. [2022-07-13 23:50:11,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:50:11,451 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 [2022-07-13 23:50:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:11,559 INFO L225 Difference]: With dead ends: 24956 [2022-07-13 23:50:11,559 INFO L226 Difference]: Without dead ends: 16625 [2022-07-13 23:50:11,606 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 [2022-07-13 23:50:11,608 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 3328 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:11,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 7137 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 23:50:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2022-07-13 23:50:12,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16610. [2022-07-13 23:50:12,195 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) [2022-07-13 23:50:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 26524 transitions. [2022-07-13 23:50:12,321 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 26524 transitions. Word has length 32 [2022-07-13 23:50:12,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:12,322 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 26524 transitions. [2022-07-13 23:50:12,322 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) [2022-07-13 23:50:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 26524 transitions. [2022-07-13 23:50:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-13 23:50:12,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:12,324 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] [2022-07-13 23:50:12,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-13 23:50:12,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:50:12,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:12,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:12,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2140018186, now seen corresponding path program 1 times [2022-07-13 23:50:12,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:50:12,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290682435] [2022-07-13 23:50:12,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:12,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:50:12,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:50:12,546 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) [2022-07-13 23:50:12,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 23:50:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:36,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 5455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:50:36,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:50:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:50:36,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:50:36,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:50:36,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290682435] [2022-07-13 23:50:36,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290682435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:50:36,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:50:36,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:50:36,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115302046] [2022-07-13 23:50:36,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:50:36,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:50:36,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:50:36,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:50:36,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:50:36,142 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) [2022-07-13 23:50:37,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:37,554 INFO L93 Difference]: Finished difference Result 49744 states and 79430 transitions. [2022-07-13 23:50:37,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:50:37,555 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 [2022-07-13 23:50:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:37,717 INFO L225 Difference]: With dead ends: 49744 [2022-07-13 23:50:37,718 INFO L226 Difference]: Without dead ends: 33137 [2022-07-13 23:50:37,797 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 [2022-07-13 23:50:37,798 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 3330 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7152 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:37,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 23:50:37,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33137 states. [2022-07-13 23:50:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33137 to 33122. [2022-07-13 23:50:38,740 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) [2022-07-13 23:50:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33122 states to 33122 states and 52884 transitions. [2022-07-13 23:50:38,973 INFO L78 Accepts]: Start accepts. Automaton has 33122 states and 52884 transitions. Word has length 30 [2022-07-13 23:50:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:38,973 INFO L495 AbstractCegarLoop]: Abstraction has 33122 states and 52884 transitions. [2022-07-13 23:50:38,974 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) [2022-07-13 23:50:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 33122 states and 52884 transitions. [2022-07-13 23:50:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-13 23:50:38,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:38,976 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] [2022-07-13 23:50:39,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 23:50:39,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:50:39,199 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:39,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:39,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1713772628, now seen corresponding path program 1 times [2022-07-13 23:50:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:50:39,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053683798] [2022-07-13 23:50:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:39,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:50:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:50:39,206 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) [2022-07-13 23:50:39,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 23:51:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:03,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 5468 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:51:03,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:51:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:51:03,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:51:03,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:51:03,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053683798] [2022-07-13 23:51:03,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053683798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:51:03,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:51:03,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:51:03,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368372910] [2022-07-13 23:51:03,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:51:03,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:51:03,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:51:03,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:51:03,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:51:03,455 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) [2022-07-13 23:51:05,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:51:05,558 INFO L93 Difference]: Finished difference Result 99200 states and 158374 transitions. [2022-07-13 23:51:05,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:51:05,559 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 [2022-07-13 23:51:05,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:51:06,055 INFO L225 Difference]: With dead ends: 99200 [2022-07-13 23:51:06,056 INFO L226 Difference]: Without dead ends: 66081 [2022-07-13 23:51:06,207 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 [2022-07-13 23:51:06,208 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 [2022-07-13 23:51:06,209 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] [2022-07-13 23:51:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66081 states. [2022-07-13 23:51:07,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66081 to 66066. [2022-07-13 23:51:07,896 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) [2022-07-13 23:51:08,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105460 transitions. [2022-07-13 23:51:08,319 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105460 transitions. Word has length 37 [2022-07-13 23:51:08,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:51:08,320 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105460 transitions. [2022-07-13 23:51:08,320 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) [2022-07-13 23:51:08,320 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105460 transitions. [2022-07-13 23:51:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 23:51:08,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:51:08,322 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] [2022-07-13 23:51:08,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-13 23:51:08,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:51:08,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:51:08,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:51:08,536 INFO L85 PathProgramCache]: Analyzing trace with hash 393190319, now seen corresponding path program 1 times [2022-07-13 23:51:08,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:51:08,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981447334] [2022-07-13 23:51:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:51:08,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:51:08,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:51:08,543 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) [2022-07-13 23:51:08,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-13 23:51:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:31,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 5457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:51:31,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:51:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:51:31,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:51:31,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:51:31,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981447334] [2022-07-13 23:51:31,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981447334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:51:31,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:51:31,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:51:31,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565624528] [2022-07-13 23:51:31,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:51:31,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:51:31,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:51:31,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:51:31,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:51:31,957 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) [2022-07-13 23:51:34,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:51:34,767 INFO L93 Difference]: Finished difference Result 197872 states and 315830 transitions. [2022-07-13 23:51:34,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:51:34,767 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 [2022-07-13 23:51:34,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:51:35,651 INFO L225 Difference]: With dead ends: 197872 [2022-07-13 23:51:35,652 INFO L226 Difference]: Without dead ends: 131809 [2022-07-13 23:51:35,986 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 [2022-07-13 23:51:35,987 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 [2022-07-13 23:51:35,987 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] [2022-07-13 23:51:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131809 states. [2022-07-13 23:51:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131809 to 131794. [2022-07-13 23:51:39,021 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) [2022-07-13 23:51:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131794 states to 131794 states and 210324 transitions. [2022-07-13 23:51:40,151 INFO L78 Accepts]: Start accepts. Automaton has 131794 states and 210324 transitions. Word has length 31 [2022-07-13 23:51:40,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:51:40,152 INFO L495 AbstractCegarLoop]: Abstraction has 131794 states and 210324 transitions. [2022-07-13 23:51:40,152 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) [2022-07-13 23:51:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 131794 states and 210324 transitions. [2022-07-13 23:51:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 23:51:40,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:51:40,153 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] [2022-07-13 23:51:40,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-13 23:51:40,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:51:40,367 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:51:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:51:40,368 INFO L85 PathProgramCache]: Analyzing trace with hash 859197427, now seen corresponding path program 1 times [2022-07-13 23:51:40,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:51:40,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775358420] [2022-07-13 23:51:40,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:51:40,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:51:40,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:51:40,373 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) [2022-07-13 23:51:40,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-13 23:52:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:03,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 5471 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:03,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:03,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:03,582 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:03,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775358420] [2022-07-13 23:52:03,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775358420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:03,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:03,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:03,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368691828] [2022-07-13 23:52:03,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:03,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:03,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:03,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:03,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:03,584 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) [2022-07-13 23:52:08,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:08,026 INFO L93 Difference]: Finished difference Result 394736 states and 629878 transitions. [2022-07-13 23:52:08,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:08,027 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 [2022-07-13 23:52:08,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:09,432 INFO L225 Difference]: With dead ends: 394736 [2022-07-13 23:52:09,432 INFO L226 Difference]: Without dead ends: 262945 [2022-07-13 23:52:09,918 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 [2022-07-13 23:52:09,919 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 [2022-07-13 23:52:09,920 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] [2022-07-13 23:52:10,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262945 states. [2022-07-13 23:52:15,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262945 to 262930. [2022-07-13 23:52:16,162 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) [2022-07-13 23:52:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262930 states to 262930 states and 419476 transitions. [2022-07-13 23:52:17,688 INFO L78 Accepts]: Start accepts. Automaton has 262930 states and 419476 transitions. Word has length 38 [2022-07-13 23:52:17,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:17,688 INFO L495 AbstractCegarLoop]: Abstraction has 262930 states and 419476 transitions. [2022-07-13 23:52:17,689 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) [2022-07-13 23:52:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 262930 states and 419476 transitions. [2022-07-13 23:52:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-13 23:52:17,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:17,694 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] [2022-07-13 23:52:17,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-13 23:52:17,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:17,916 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:17,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:17,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1596138175, now seen corresponding path program 1 times [2022-07-13 23:52:17,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:17,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039941871] [2022-07-13 23:52:17,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:17,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:17,922 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) [2022-07-13 23:52:17,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-13 23:52:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:40,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 5466 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:40,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:40,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:40,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:40,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039941871] [2022-07-13 23:52:40,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039941871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:40,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:40,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:40,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180494743] [2022-07-13 23:52:40,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:40,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:40,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:40,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:40,815 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)