./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-22 23:25:09,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:25:09,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:25:09,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:25:09,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:25:09,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:25:09,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:25:09,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:25:09,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:25:09,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:25:09,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:25:09,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:25:09,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:25:09,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:25:09,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:25:09,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:25:09,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:25:09,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:25:09,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:25:09,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:25:09,587 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:25:09,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:25:09,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:25:09,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:25:09,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:25:09,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:25:09,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:25:09,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:25:09,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:25:09,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:25:09,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:25:09,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:25:09,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:25:09,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:25:09,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:25:09,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:25:09,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:25:09,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:25:09,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:25:09,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:25:09,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:25:09,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:25:09,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:25:09,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:25:09,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:25:09,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:25:09,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:25:09,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:25:09,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:25:09,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:25:09,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:25:09,634 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:25:09,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:25:09,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:25:09,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:25:09,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:25:09,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:25:09,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:25:09,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:25:09,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:25:09,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:25:09,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:25:09,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:25:09,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:25:09,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:25:09,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:25:09,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:25:09,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:25:09,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:25:09,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:25:09,638 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:25:09,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:25:09,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:25:09,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-22 23:25:09,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:25:09,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:25:09,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:25:09,845 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:25:09,845 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:25:09,846 INFO L432 ainManager$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 [2022-07-22 23:25:09,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3febe8b/00d290274b85493ca1ea2aa6df823ed6/FLAG45bdeea2f [2022-07-22 23:25:10,466 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:25:10,467 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 [2022-07-22 23:25:10,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3febe8b/00d290274b85493ca1ea2aa6df823ed6/FLAG45bdeea2f [2022-07-22 23:25:10,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3febe8b/00d290274b85493ca1ea2aa6df823ed6 [2022-07-22 23:25:10,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:25:10,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:25:10,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:25:10,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:25:10,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:25:10,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:10" (1/1) ... [2022-07-22 23:25:10,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d89b6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:10, skipping insertion in model container [2022-07-22 23:25:10,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:10" (1/1) ... [2022-07-22 23:25:10,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:25:10,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:25:11,681 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] [2022-07-22 23:25:11,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:25:11,808 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:25:11,899 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) [2022-07-22 23:25:11,907 INFO L158 Benchmark]: Toolchain (without parser) took 1270.75ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 71.0MB in the beginning and 92.5MB in the end (delta: -21.6MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-07-22 23:25:11,908 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 91.4MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:25:11,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.86ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 70.7MB in the beginning and 92.5MB in the end (delta: -21.8MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-07-22 23:25:11,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 91.4MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.86ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 70.7MB in the beginning and 92.5MB in the end (delta: -21.8MB). Peak memory consumption was 64.9MB. 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-?-791161d [2022-07-22 23:25:13,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:25:13,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:25:13,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:25:13,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:25:13,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:25:13,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:25:13,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:25:13,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:25:13,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:25:13,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:25:13,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:25:13,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:25:13,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:25:13,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:25:13,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:25:13,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:25:13,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:25:13,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:25:13,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:25:13,559 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:25:13,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:25:13,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:25:13,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:25:13,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:25:13,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:25:13,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:25:13,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:25:13,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:25:13,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:25:13,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:25:13,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:25:13,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:25:13,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:25:13,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:25:13,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:25:13,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:25:13,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:25:13,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:25:13,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:25:13,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:25:13,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:25:13,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:25:13,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:25:13,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:25:13,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:25:13,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:25:13,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:25:13,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:25:13,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:25:13,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:25:13,621 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:25:13,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:25:13,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:25:13,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:25:13,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:25:13,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:25:13,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:25:13,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:25:13,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:25:13,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:25:13,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:25:13,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:25:13,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:25:13,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:25:13,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:25:13,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:25:13,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:25:13,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:25:13,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:25:13,625 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:25:13,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:25:13,625 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:25:13,625 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:25:13,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:25:13,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:25:13,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-22 23:25:13,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:25:13,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:25:13,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:25:13,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:25:13,931 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:25:13,932 INFO L432 ainManager$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 [2022-07-22 23:25:13,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223ca645f/fcee5cd2e54c4dcda017e09713bcc4dd/FLAG8d3f3f55f [2022-07-22 23:25:14,541 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:25:14,541 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 [2022-07-22 23:25:14,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223ca645f/fcee5cd2e54c4dcda017e09713bcc4dd/FLAG8d3f3f55f [2022-07-22 23:25:14,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223ca645f/fcee5cd2e54c4dcda017e09713bcc4dd [2022-07-22 23:25:14,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:25:14,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:25:14,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:25:14,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:25:14,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:25:14,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:14" (1/1) ... [2022-07-22 23:25:14,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d56c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:14, skipping insertion in model container [2022-07-22 23:25:14,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:14" (1/1) ... [2022-07-22 23:25:14,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:25:14,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:25:16,073 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] [2022-07-22 23:25:16,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:25:16,239 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:25:16,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:25:16,499 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] [2022-07-22 23:25:16,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:25:16,556 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:25:16,723 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] [2022-07-22 23:25:16,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:25:16,926 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:25:16,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16 WrapperNode [2022-07-22 23:25:16,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:25:16,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:25:16,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:25:16,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:25:16,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,220 INFO L137 Inliner]: procedures = 185, calls = 3575, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 8848 [2022-07-22 23:25:17,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:25:17,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:25:17,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:25:17,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:25:17,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:25:17,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:25:17,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:25:17,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:25:17,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (1/1) ... [2022-07-22 23:25:17,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:25:17,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:25:17,558 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) [2022-07-22 23:25:17,576 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 [2022-07-22 23:25:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-22 23:25:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-22 23:25:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-07-22 23:25:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-07-22 23:25:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2022-07-22 23:25:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2022-07-22 23:25:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:25:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-07-22 23:25:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-07-22 23:25:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:25:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-22 23:25:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-22 23:25:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:25:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:25:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-22 23:25:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-22 23:25:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-22 23:25:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-22 23:25:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-22 23:25:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-22 23:25:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2022-07-22 23:25:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2022-07-22 23:25:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-22 23:25:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-22 23:25:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2022-07-22 23:25:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2022-07-22 23:25:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:25:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:25:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-07-22 23:25:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-07-22 23:25:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-07-22 23:25:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-07-22 23:25:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-22 23:25:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-22 23:25:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2022-07-22 23:25:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2022-07-22 23:25:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-07-22 23:25:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-07-22 23:25:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-22 23:25:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-22 23:25:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2022-07-22 23:25:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2022-07-22 23:25:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2022-07-22 23:25:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2022-07-22 23:25:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:25:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:25:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:25:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:25:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2022-07-22 23:25:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2022-07-22 23:25:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:25:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:25:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:25:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 23:25:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 23:25:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-07-22 23:25:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-07-22 23:25:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:25:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2022-07-22 23:25:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2022-07-22 23:25:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2022-07-22 23:25:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2022-07-22 23:25:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2022-07-22 23:25:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2022-07-22 23:25:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-07-22 23:25:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-07-22 23:25:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:25:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-07-22 23:25:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-07-22 23:25:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:25:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2022-07-22 23:25:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2022-07-22 23:25:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2022-07-22 23:25:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2022-07-22 23:25:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-22 23:25:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-22 23:25:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2022-07-22 23:25:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2022-07-22 23:25:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2022-07-22 23:25:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2022-07-22 23:25:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-07-22 23:25:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-07-22 23:25:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-22 23:25:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-22 23:25:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:25:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2022-07-22 23:25:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2022-07-22 23:25:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2022-07-22 23:25:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2022-07-22 23:25:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:25:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-22 23:25:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-22 23:25:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-22 23:25:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2022-07-22 23:25:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2022-07-22 23:25:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2022-07-22 23:25:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2022-07-22 23:25:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:25:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-07-22 23:25:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-07-22 23:25:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:25:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:25:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:25:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-22 23:25:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-22 23:25:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2022-07-22 23:25:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2022-07-22 23:25:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-07-22 23:25:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-07-22 23:25:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2022-07-22 23:25:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2022-07-22 23:25:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2022-07-22 23:25:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2022-07-22 23:25:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:25:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:25:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 23:25:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 23:25:18,409 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:25:18,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:25:37,345 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:25:37,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:25:37,360 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:25:37,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:25:37 BoogieIcfgContainer [2022-07-22 23:25:37,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:25:37,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:25:37,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:25:37,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:25:37,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:25:14" (1/3) ... [2022-07-22 23:25:37,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e55179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:25:37, skipping insertion in model container [2022-07-22 23:25:37,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:16" (2/3) ... [2022-07-22 23:25:37,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e55179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:25:37, skipping insertion in model container [2022-07-22 23:25:37,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:25:37" (3/3) ... [2022-07-22 23:25:37,369 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-22 23:25:37,378 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:25:37,379 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:25:37,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:25:37,455 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@1a1fc9e0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4768fe71 [2022-07-22 23:25:37,456 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:25:37,467 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) [2022-07-22 23:25:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 23:25:37,478 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:25:37,478 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] [2022-07-22 23:25:37,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:25:37,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:25:37,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1076657471, now seen corresponding path program 1 times [2022-07-22 23:25:37,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:25:37,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417823364] [2022-07-22 23:25:37,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:25:37,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:25:37,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:25:37,513 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) [2022-07-22 23:25:37,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:26:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:01,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:26:01,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:26:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:26:02,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:26:02,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:26:02,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417823364] [2022-07-22 23:26:02,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417823364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:02,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:02,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:26:02,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605279124] [2022-07-22 23:26:02,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:02,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:26:02,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:26:02,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:26:02,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:26:02,038 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) [2022-07-22 23:26:03,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:26:03,182 INFO L93 Difference]: Finished difference Result 6311 states and 10593 transitions. [2022-07-22 23:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:26:03,185 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 [2022-07-22 23:26:03,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:26:03,218 INFO L225 Difference]: With dead ends: 6311 [2022-07-22 23:26:03,219 INFO L226 Difference]: Without dead ends: 4197 [2022-07-22 23:26:03,244 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 [2022-07-22 23:26:03,247 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 [2022-07-22 23:26:03,248 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] [2022-07-22 23:26:03,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-07-22 23:26:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4182. [2022-07-22 23:26:03,433 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) [2022-07-22 23:26:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6675 transitions. [2022-07-22 23:26:03,453 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6675 transitions. Word has length 32 [2022-07-22 23:26:03,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:26:03,454 INFO L495 AbstractCegarLoop]: Abstraction has 4182 states and 6675 transitions. [2022-07-22 23:26:03,454 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) [2022-07-22 23:26:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6675 transitions. [2022-07-22 23:26:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-22 23:26:03,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:03,457 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] [2022-07-22 23:26:03,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 23:26:03,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:26:03,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:03,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:03,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1339455529, now seen corresponding path program 1 times [2022-07-22 23:26:03,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:26:03,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218262071] [2022-07-22 23:26:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:03,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:26:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:26:03,688 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) [2022-07-22 23:26:03,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:26:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:27,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 5460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:26:27,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:26:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:26:27,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:26:27,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:26:27,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218262071] [2022-07-22 23:26:27,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218262071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:27,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:27,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:26:27,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114903891] [2022-07-22 23:26:27,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:27,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:26:27,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:26:27,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:26:27,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:26:27,566 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) [2022-07-22 23:26:28,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:26:28,559 INFO L93 Difference]: Finished difference Result 12528 states and 19999 transitions. [2022-07-22 23:26:28,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:26:28,559 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 [2022-07-22 23:26:28,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:26:28,603 INFO L225 Difference]: With dead ends: 12528 [2022-07-22 23:26:28,603 INFO L226 Difference]: Without dead ends: 8349 [2022-07-22 23:26:28,623 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 [2022-07-22 23:26:28,625 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 [2022-07-22 23:26:28,626 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] [2022-07-22 23:26:28,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-07-22 23:26:28,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8334. [2022-07-22 23:26:28,888 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) [2022-07-22 23:26:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 13308 transitions. [2022-07-22 23:26:28,917 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 13308 transitions. Word has length 33 [2022-07-22 23:26:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:26:28,917 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 13308 transitions. [2022-07-22 23:26:28,918 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) [2022-07-22 23:26:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 13308 transitions. [2022-07-22 23:26:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 23:26:28,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:28,920 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] [2022-07-22 23:26:29,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-22 23:26:29,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:26:29,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:29,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2053897929, now seen corresponding path program 1 times [2022-07-22 23:26:29,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:26:29,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943423056] [2022-07-22 23:26:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:29,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:26:29,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:26:29,155 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) [2022-07-22 23:26:29,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:26:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:53,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:26:53,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:26:53,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:26:53,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:26:53,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:26:53,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943423056] [2022-07-22 23:26:53,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943423056] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:53,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:53,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:26:53,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145237672] [2022-07-22 23:26:53,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:53,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:26:53,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:26:53,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:26:53,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:26:53,119 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) [2022-07-22 23:26:54,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:26:54,383 INFO L93 Difference]: Finished difference Result 24956 states and 39850 transitions. [2022-07-22 23:26:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:26:54,383 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 [2022-07-22 23:26:54,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:26:54,454 INFO L225 Difference]: With dead ends: 24956 [2022-07-22 23:26:54,455 INFO L226 Difference]: Without dead ends: 16625 [2022-07-22 23:26:54,489 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 [2022-07-22 23:26:54,490 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 3328 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:26:54,490 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] [2022-07-22 23:26:54,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2022-07-22 23:26:54,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16610. [2022-07-22 23:26:55,021 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) [2022-07-22 23:26:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 26524 transitions. [2022-07-22 23:26:55,080 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 26524 transitions. Word has length 32 [2022-07-22 23:26:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:26:55,080 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 26524 transitions. [2022-07-22 23:26:55,081 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) [2022-07-22 23:26:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 26524 transitions. [2022-07-22 23:26:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 23:26:55,083 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:55,083 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] [2022-07-22 23:26:55,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:26:55,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:26:55,307 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:55,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:55,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2140018186, now seen corresponding path program 1 times [2022-07-22 23:26:55,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:26:55,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681747443] [2022-07-22 23:26:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:55,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:26:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:26:55,318 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) [2022-07-22 23:26:55,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:27:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:19,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 5455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:27:19,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:27:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:27:19,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:27:19,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:27:19,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681747443] [2022-07-22 23:27:19,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681747443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:27:19,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:27:19,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:27:19,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280575765] [2022-07-22 23:27:19,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:27:19,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:27:19,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:27:19,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:27:19,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:27:19,276 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) [2022-07-22 23:27:20,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:27:20,724 INFO L93 Difference]: Finished difference Result 49744 states and 79430 transitions. [2022-07-22 23:27:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:27:20,725 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 [2022-07-22 23:27:20,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:27:20,894 INFO L225 Difference]: With dead ends: 49744 [2022-07-22 23:27:20,894 INFO L226 Difference]: Without dead ends: 33137 [2022-07-22 23:27:20,957 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 [2022-07-22 23:27:20,959 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:27:20,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 23:27:20,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33137 states. [2022-07-22 23:27:22,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33137 to 33122. [2022-07-22 23:27:22,377 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) [2022-07-22 23:27:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33122 states to 33122 states and 52884 transitions. [2022-07-22 23:27:22,708 INFO L78 Accepts]: Start accepts. Automaton has 33122 states and 52884 transitions. Word has length 30 [2022-07-22 23:27:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:27:22,708 INFO L495 AbstractCegarLoop]: Abstraction has 33122 states and 52884 transitions. [2022-07-22 23:27:22,709 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) [2022-07-22 23:27:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 33122 states and 52884 transitions. [2022-07-22 23:27:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 23:27:22,711 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:27:22,711 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] [2022-07-22 23:27:22,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-22 23:27:22,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:27:22,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:27:22,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:27:22,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1713772628, now seen corresponding path program 1 times [2022-07-22 23:27:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:27:22,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393983507] [2022-07-22 23:27:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:27:22,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:27:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:27:22,936 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) [2022-07-22 23:27:22,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:27:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:46,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 5468 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:27:46,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:27:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:27:46,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:27:46,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:27:46,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393983507] [2022-07-22 23:27:46,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393983507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:27:46,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:27:46,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:27:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968833468] [2022-07-22 23:27:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:27:46,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:27:46,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:27:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:27:46,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:27:46,407 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) [2022-07-22 23:27:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:27:48,305 INFO L93 Difference]: Finished difference Result 99200 states and 158374 transitions. [2022-07-22 23:27:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:27:48,306 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 [2022-07-22 23:27:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:27:48,890 INFO L225 Difference]: With dead ends: 99200 [2022-07-22 23:27:48,890 INFO L226 Difference]: Without dead ends: 66081 [2022-07-22 23:27:49,159 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 [2022-07-22 23:27:49,160 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 [2022-07-22 23:27:49,161 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] [2022-07-22 23:27:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66081 states. [2022-07-22 23:27:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66081 to 66066. [2022-07-22 23:27:51,866 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) [2022-07-22 23:27:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105460 transitions. [2022-07-22 23:27:52,299 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105460 transitions. Word has length 37 [2022-07-22 23:27:52,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:27:52,300 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105460 transitions. [2022-07-22 23:27:52,300 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) [2022-07-22 23:27:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105460 transitions. [2022-07-22 23:27:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 23:27:52,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:27:52,302 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] [2022-07-22 23:27:52,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:27:52,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:27:52,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:27:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:27:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash 393190319, now seen corresponding path program 1 times [2022-07-22 23:27:52,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:27:52,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597543498] [2022-07-22 23:27:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:27:52,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:27:52,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:27:52,689 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) [2022-07-22 23:27:52,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:28:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:16,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 5457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:28:16,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:28:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:28:16,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:28:16,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:28:16,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597543498] [2022-07-22 23:28:16,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597543498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:16,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:16,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:28:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109539912] [2022-07-22 23:28:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:16,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:28:16,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:28:16,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:28:16,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:16,279 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) [2022-07-22 23:28:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:18,950 INFO L93 Difference]: Finished difference Result 197872 states and 315830 transitions. [2022-07-22 23:28:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:28:18,951 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 [2022-07-22 23:28:18,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:19,713 INFO L225 Difference]: With dead ends: 197872 [2022-07-22 23:28:19,713 INFO L226 Difference]: Without dead ends: 131809 [2022-07-22 23:28:19,963 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 [2022-07-22 23:28:19,964 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 [2022-07-22 23:28:19,964 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] [2022-07-22 23:28:20,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131809 states. [2022-07-22 23:28:23,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131809 to 131794. [2022-07-22 23:28:23,480 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) [2022-07-22 23:28:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131794 states to 131794 states and 210324 transitions. [2022-07-22 23:28:24,324 INFO L78 Accepts]: Start accepts. Automaton has 131794 states and 210324 transitions. Word has length 31 [2022-07-22 23:28:24,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:28:24,325 INFO L495 AbstractCegarLoop]: Abstraction has 131794 states and 210324 transitions. [2022-07-22 23:28:24,325 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) [2022-07-22 23:28:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 131794 states and 210324 transitions. [2022-07-22 23:28:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 23:28:24,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:24,326 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] [2022-07-22 23:28:24,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:28:24,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:28:24,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:28:24,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:28:24,544 INFO L85 PathProgramCache]: Analyzing trace with hash 859197427, now seen corresponding path program 1 times [2022-07-22 23:28:24,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:28:24,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454894190] [2022-07-22 23:28:24,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:28:24,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:28:24,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:28:24,550 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) [2022-07-22 23:28:24,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 23:28:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:47,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 5471 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:28:47,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:28:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:28:47,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:28:47,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:28:47,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454894190] [2022-07-22 23:28:47,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454894190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:47,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:47,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:28:47,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329942784] [2022-07-22 23:28:47,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:47,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:28:47,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:28:47,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:28:47,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:47,542 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) [2022-07-22 23:28:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:52,613 INFO L93 Difference]: Finished difference Result 394736 states and 629878 transitions. [2022-07-22 23:28:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:28:52,613 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 [2022-07-22 23:28:52,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:54,196 INFO L225 Difference]: With dead ends: 394736 [2022-07-22 23:28:54,196 INFO L226 Difference]: Without dead ends: 262945 [2022-07-22 23:28:54,917 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 [2022-07-22 23:28:54,918 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 [2022-07-22 23:28:54,918 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] [2022-07-22 23:28:55,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262945 states. [2022-07-22 23:29:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262945 to 262930. [2022-07-22 23:29:01,459 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) [2022-07-22 23:29:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262930 states to 262930 states and 419476 transitions. [2022-07-22 23:29:02,937 INFO L78 Accepts]: Start accepts. Automaton has 262930 states and 419476 transitions. Word has length 38 [2022-07-22 23:29:02,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:29:02,938 INFO L495 AbstractCegarLoop]: Abstraction has 262930 states and 419476 transitions. [2022-07-22 23:29:02,938 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) [2022-07-22 23:29:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 262930 states and 419476 transitions. [2022-07-22 23:29:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-22 23:29:02,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:29:02,944 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] [2022-07-22 23:29:03,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-22 23:29:03,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:29:03,158 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:29:03,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:29:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1596138175, now seen corresponding path program 1 times [2022-07-22 23:29:03,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:29:03,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899348025] [2022-07-22 23:29:03,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:29:03,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:29:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:29:03,169 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) [2022-07-22 23:29:03,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 23:29:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:26,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 5466 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:29:26,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:29:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:29:26,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:29:26,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:29:26,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899348025] [2022-07-22 23:29:26,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899348025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:29:26,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:29:26,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:29:26,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399225357] [2022-07-22 23:29:26,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:29:26,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:29:26,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:29:26,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:29:26,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:29:26,519 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)