./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 eb692b52 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-?-eb692b5 [2022-07-19 23:11:00,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:11:00,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:11:00,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:11:00,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:11:00,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:11:00,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:11:00,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:11:00,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:11:00,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:11:00,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:11:00,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:11:00,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:11:00,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:11:00,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:11:00,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:11:00,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:11:00,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:11:00,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:11:00,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:11:00,352 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:11:00,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:11:00,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:11:00,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:11:00,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:11:00,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:11:00,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:11:00,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:11:00,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:11:00,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:11:00,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:11:00,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:11:00,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:11:00,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:11:00,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:11:00,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:11:00,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:11:00,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:11:00,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:11:00,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:11:00,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:11:00,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:11:00,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:11:00,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:11:00,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:11:00,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:11:00,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:11:00,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:11:00,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:11:00,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:11:00,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:11:00,411 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:11:00,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:11:00,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:11:00,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:11:00,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:11:00,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:11:00,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:11:00,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:11:00,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:11:00,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:11:00,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:11:00,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:11:00,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:11:00,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:11:00,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:11:00,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:11:00,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:11:00,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:11:00,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:11:00,416 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:11:00,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:11:00,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:11:00,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-19 23:11:00,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:11:00,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:11:00,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:11:00,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:11:00,677 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:11:00,678 INFO L432 ainManager$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 [2022-07-19 23:11:00,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d30c763/da898f9ef271477eacf033988a6fc012/FLAGcb042763e [2022-07-19 23:11:01,443 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:11:01,444 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 [2022-07-19 23:11:01,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d30c763/da898f9ef271477eacf033988a6fc012/FLAGcb042763e [2022-07-19 23:11:01,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d30c763/da898f9ef271477eacf033988a6fc012 [2022-07-19 23:11:01,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:11:01,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:11:01,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:11:01,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:11:01,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:11:01,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:11:01" (1/1) ... [2022-07-19 23:11:01,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12be98ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:01, skipping insertion in model container [2022-07-19 23:11:01,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:11:01" (1/1) ... [2022-07-19 23:11:01,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:11:01,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:11:02,877 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] [2022-07-19 23:11:02,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:11:03,085 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:11:03,188 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) [2022-07-19 23:11:03,197 INFO L158 Benchmark]: Toolchain (without parser) took 1650.06ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 62.7MB in the beginning and 72.4MB in the end (delta: -9.7MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-07-19 23:11:03,198 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:11:03,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1643.06ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 72.4MB in the end (delta: -9.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-07-19 23:11:03,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1643.06ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 72.4MB in the end (delta: -9.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:11:04,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:11:04,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:11:04,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:11:04,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:11:05,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:11:05,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:11:05,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:11:05,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:11:05,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:11:05,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:11:05,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:11:05,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:11:05,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:11:05,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:11:05,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:11:05,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:11:05,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:11:05,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:11:05,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:11:05,015 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:11:05,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:11:05,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:11:05,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:11:05,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:11:05,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:11:05,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:11:05,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:11:05,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:11:05,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:11:05,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:11:05,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:11:05,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:11:05,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:11:05,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:11:05,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:11:05,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:11:05,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:11:05,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:11:05,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:11:05,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:11:05,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:11:05,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:11:05,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:11:05,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:11:05,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:11:05,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:11:05,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:11:05,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:11:05,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:11:05,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:11:05,085 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:11:05,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:11:05,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:11:05,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:11:05,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:11:05,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:11:05,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:11:05,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:11:05,100 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:11:05,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:11:05,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:11:05,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:11:05,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:11:05,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:11:05,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:11:05,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:11:05,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:11:05,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:11:05,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:11:05,102 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:11:05,103 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:11:05,103 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:11:05,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:11:05,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:11:05,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:11:05,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-07-19 23:11:05,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:11:05,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:11:05,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:11:05,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:11:05,433 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:11:05,434 INFO L432 ainManager$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 [2022-07-19 23:11:05,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7cea46f/76fc47296df14841ab9319e115bd94b6/FLAG320552b3f [2022-07-19 23:11:06,246 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:11:06,247 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 [2022-07-19 23:11:06,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7cea46f/76fc47296df14841ab9319e115bd94b6/FLAG320552b3f [2022-07-19 23:11:06,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7cea46f/76fc47296df14841ab9319e115bd94b6 [2022-07-19 23:11:06,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:11:06,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:11:06,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:11:06,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:11:06,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:11:06,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:11:06" (1/1) ... [2022-07-19 23:11:06,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f76da33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:06, skipping insertion in model container [2022-07-19 23:11:06,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:11:06" (1/1) ... [2022-07-19 23:11:06,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:11:06,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:11:08,438 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] [2022-07-19 23:11:08,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:11:08,641 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:11:08,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:11:09,028 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] [2022-07-19 23:11:09,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:11:09,151 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:11:09,373 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] [2022-07-19 23:11:09,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:11:09,692 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:11:09,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09 WrapperNode [2022-07-19 23:11:09,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:11:09,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:11:09,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:11:09,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:11:09,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:09,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,010 INFO L137 Inliner]: procedures = 185, calls = 3575, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 8848 [2022-07-19 23:11:10,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:11:10,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:11:10,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:11:10,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:11:10,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:11:10,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:11:10,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:11:10,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:11:10,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (1/1) ... [2022-07-19 23:11:10,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:11:10,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:11:10,533 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) [2022-07-19 23:11:10,559 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 [2022-07-19 23:11:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-19 23:11:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-19 23:11:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-07-19 23:11:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-07-19 23:11:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2022-07-19 23:11:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2022-07-19 23:11:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:11:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-07-19 23:11:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-07-19 23:11:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:11:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-19 23:11:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-19 23:11:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:11:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:11:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-19 23:11:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-19 23:11:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-19 23:11:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-19 23:11:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-19 23:11:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-19 23:11:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2022-07-19 23:11:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2022-07-19 23:11:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-19 23:11:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-07-19 23:11:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2022-07-19 23:11:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2022-07-19 23:11:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:11:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:11:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-07-19 23:11:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-07-19 23:11:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-07-19 23:11:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-07-19 23:11:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-19 23:11:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-07-19 23:11:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2022-07-19 23:11:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2022-07-19 23:11:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-07-19 23:11:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-07-19 23:11:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-19 23:11:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-19 23:11:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2022-07-19 23:11:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2022-07-19 23:11:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2022-07-19 23:11:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2022-07-19 23:11:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:11:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:11:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:11:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:11:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2022-07-19 23:11:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2022-07-19 23:11:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:11:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:11:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:11:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:11:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:11:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-07-19 23:11:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-07-19 23:11:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:11:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2022-07-19 23:11:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2022-07-19 23:11:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2022-07-19 23:11:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2022-07-19 23:11:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2022-07-19 23:11:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2022-07-19 23:11:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-07-19 23:11:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-07-19 23:11:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:11:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-07-19 23:11:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-07-19 23:11:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:11:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2022-07-19 23:11:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2022-07-19 23:11:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2022-07-19 23:11:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2022-07-19 23:11:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-19 23:11:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-19 23:11:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2022-07-19 23:11:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2022-07-19 23:11:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2022-07-19 23:11:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2022-07-19 23:11:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-07-19 23:11:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-07-19 23:11:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-19 23:11:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-19 23:11:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:11:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2022-07-19 23:11:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2022-07-19 23:11:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2022-07-19 23:11:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2022-07-19 23:11:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:11:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-19 23:11:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-19 23:11:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:11:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:11:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:11:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:11:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-19 23:11:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-19 23:11:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:11:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2022-07-19 23:11:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2022-07-19 23:11:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2022-07-19 23:11:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2022-07-19 23:11:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:11:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-07-19 23:11:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-07-19 23:11:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:11:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:11:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:11:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-19 23:11:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-19 23:11:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2022-07-19 23:11:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2022-07-19 23:11:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-07-19 23:11:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-07-19 23:11:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2022-07-19 23:11:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2022-07-19 23:11:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2022-07-19 23:11:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2022-07-19 23:11:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:11:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:11:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 23:11:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 23:11:11,550 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:11:11,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:11:32,540 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:11:32,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:11:32,558 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:11:32,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:11:32 BoogieIcfgContainer [2022-07-19 23:11:32,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:11:32,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:11:32,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:11:32,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:11:32,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:11:06" (1/3) ... [2022-07-19 23:11:32,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ebc995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:11:32, skipping insertion in model container [2022-07-19 23:11:32,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:09" (2/3) ... [2022-07-19 23:11:32,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ebc995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:11:32, skipping insertion in model container [2022-07-19 23:11:32,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:11:32" (3/3) ... [2022-07-19 23:11:32,571 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-07-19 23:11:32,584 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:11:32,584 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:11:32,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:11:32,702 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@74c595be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37ff2f8c [2022-07-19 23:11:32,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:11:32,715 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) [2022-07-19 23:11:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 23:11:32,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:11:32,736 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] [2022-07-19 23:11:32,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:11:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:11:32,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1076657471, now seen corresponding path program 1 times [2022-07-19 23:11:32,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:11:32,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329603644] [2022-07-19 23:11:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:11:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:11:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:11:32,771 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) [2022-07-19 23:11:32,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:11:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:11:57,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:11:57,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:11:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:11:57,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:11:57,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:11:57,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329603644] [2022-07-19 23:11:57,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329603644] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:11:57,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:11:57,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:11:57,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748411598] [2022-07-19 23:11:57,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:11:57,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:11:57,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:11:57,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:11:57,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:11:57,778 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) [2022-07-19 23:11:58,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:11:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:11:59,390 INFO L93 Difference]: Finished difference Result 6311 states and 10593 transitions. [2022-07-19 23:11:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:11:59,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-19 23:11:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:11:59,441 INFO L225 Difference]: With dead ends: 6311 [2022-07-19 23:11:59,441 INFO L226 Difference]: Without dead ends: 4197 [2022-07-19 23:11:59,476 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 [2022-07-19 23:11:59,482 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 3338 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:11:59,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 7129 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 23:11:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-07-19 23:11:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4182. [2022-07-19 23:11:59,734 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) [2022-07-19 23:11:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6675 transitions. [2022-07-19 23:11:59,765 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6675 transitions. Word has length 32 [2022-07-19 23:11:59,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:11:59,766 INFO L495 AbstractCegarLoop]: Abstraction has 4182 states and 6675 transitions. [2022-07-19 23:11:59,766 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) [2022-07-19 23:11:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6675 transitions. [2022-07-19 23:11:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 23:11:59,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:11:59,771 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] [2022-07-19 23:11:59,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 23:11:59,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:11:59,984 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:11:59,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:11:59,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1339455529, now seen corresponding path program 1 times [2022-07-19 23:11:59,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:11:59,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937491304] [2022-07-19 23:11:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:11:59,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:11:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:11:59,991 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) [2022-07-19 23:11:59,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:12:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:23,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 5460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:23,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:23,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:23,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:23,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937491304] [2022-07-19 23:12:23,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937491304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:23,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:23,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:23,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32954899] [2022-07-19 23:12:23,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:23,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:23,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:23,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:23,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:23,714 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) [2022-07-19 23:12:24,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:24,850 INFO L93 Difference]: Finished difference Result 12528 states and 19999 transitions. [2022-07-19 23:12:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:24,851 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 [2022-07-19 23:12:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:24,914 INFO L225 Difference]: With dead ends: 12528 [2022-07-19 23:12:24,914 INFO L226 Difference]: Without dead ends: 8349 [2022-07-19 23:12:24,944 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 [2022-07-19 23:12:24,946 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 [2022-07-19 23:12:24,946 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] [2022-07-19 23:12:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-07-19 23:12:25,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8334. [2022-07-19 23:12:25,425 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) [2022-07-19 23:12:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 13308 transitions. [2022-07-19 23:12:25,470 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 13308 transitions. Word has length 33 [2022-07-19 23:12:25,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:25,470 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 13308 transitions. [2022-07-19 23:12:25,471 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) [2022-07-19 23:12:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 13308 transitions. [2022-07-19 23:12:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 23:12:25,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:25,474 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] [2022-07-19 23:12:25,696 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-19 23:12:25,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:25,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:25,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:25,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:25,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2053897929, now seen corresponding path program 1 times [2022-07-19 23:12:25,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:25,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808263739] [2022-07-19 23:12:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:25,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:25,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:25,724 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) [2022-07-19 23:12:25,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:12:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:49,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 5458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:49,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:49,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:49,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:49,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808263739] [2022-07-19 23:12:49,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808263739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:49,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:49,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:49,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952587425] [2022-07-19 23:12:49,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:49,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:49,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:49,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:49,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:49,567 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) [2022-07-19 23:12:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:50,865 INFO L93 Difference]: Finished difference Result 24956 states and 39850 transitions. [2022-07-19 23:12:50,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:50,866 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 [2022-07-19 23:12:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:50,990 INFO L225 Difference]: With dead ends: 24956 [2022-07-19 23:12:50,990 INFO L226 Difference]: Without dead ends: 16625 [2022-07-19 23:12:51,050 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 [2022-07-19 23:12:51,053 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 3328 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:51,055 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] [2022-07-19 23:12:51,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2022-07-19 23:12:51,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16610. [2022-07-19 23:12:51,767 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) [2022-07-19 23:12:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 26524 transitions. [2022-07-19 23:12:51,844 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 26524 transitions. Word has length 32 [2022-07-19 23:12:51,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:51,844 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 26524 transitions. [2022-07-19 23:12:51,846 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) [2022-07-19 23:12:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 26524 transitions. [2022-07-19 23:12:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 23:12:51,847 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:51,848 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] [2022-07-19 23:12:52,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:52,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:52,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2140018186, now seen corresponding path program 1 times [2022-07-19 23:12:52,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:52,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300324560] [2022-07-19 23:12:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:52,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:52,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:52,074 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) [2022-07-19 23:12:52,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:13:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:15,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 5455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:13:15,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:13:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:13:15,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:13:15,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:13:15,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300324560] [2022-07-19 23:13:15,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300324560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:13:15,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:13:15,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:13:15,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337892996] [2022-07-19 23:13:15,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:13:15,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:13:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:13:15,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:13:15,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:13:15,604 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) [2022-07-19 23:13:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:13:17,232 INFO L93 Difference]: Finished difference Result 49744 states and 79430 transitions. [2022-07-19 23:13:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:13:17,233 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 [2022-07-19 23:13:17,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:13:17,432 INFO L225 Difference]: With dead ends: 49744 [2022-07-19 23:13:17,433 INFO L226 Difference]: Without dead ends: 33137 [2022-07-19 23:13:17,513 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 [2022-07-19 23:13:17,516 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 3330 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7152 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:13:17,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 23:13:17,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33137 states. [2022-07-19 23:13:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33137 to 33122. [2022-07-19 23:13:18,792 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) [2022-07-19 23:13:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33122 states to 33122 states and 52884 transitions. [2022-07-19 23:13:19,005 INFO L78 Accepts]: Start accepts. Automaton has 33122 states and 52884 transitions. Word has length 30 [2022-07-19 23:13:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:13:19,006 INFO L495 AbstractCegarLoop]: Abstraction has 33122 states and 52884 transitions. [2022-07-19 23:13:19,006 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) [2022-07-19 23:13:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 33122 states and 52884 transitions. [2022-07-19 23:13:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-19 23:13:19,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:13:19,011 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] [2022-07-19 23:13:19,212 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-07-19 23:13:19,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:13:19,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:13:19,238 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:13:19,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:13:19,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1713772628, now seen corresponding path program 1 times [2022-07-19 23:13:19,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:13:19,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245577146] [2022-07-19 23:13:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:13:19,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:13:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:13:19,246 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) [2022-07-19 23:13:19,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:13:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:43,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 5468 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:13:43,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:13:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:13:43,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:13:43,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:13:43,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245577146] [2022-07-19 23:13:43,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245577146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:13:43,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:13:43,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:13:43,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430982197] [2022-07-19 23:13:43,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:13:43,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:13:43,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:13:43,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:13:43,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:13:43,120 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) [2022-07-19 23:13:45,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:13:45,344 INFO L93 Difference]: Finished difference Result 99200 states and 158374 transitions. [2022-07-19 23:13:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:13:45,345 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 [2022-07-19 23:13:45,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:13:46,050 INFO L225 Difference]: With dead ends: 99200 [2022-07-19 23:13:46,051 INFO L226 Difference]: Without dead ends: 66081 [2022-07-19 23:13:46,236 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 [2022-07-19 23:13:46,238 INFO L413 NwaCegarLoop]: 3868 mSDtfsCounter, 3323 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:13:46,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 7209 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 23:13:46,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66081 states. [2022-07-19 23:13:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66081 to 66066. [2022-07-19 23:13:48,786 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) [2022-07-19 23:13:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105460 transitions. [2022-07-19 23:13:49,428 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105460 transitions. Word has length 37 [2022-07-19 23:13:49,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:13:49,428 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105460 transitions. [2022-07-19 23:13:49,429 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) [2022-07-19 23:13:49,429 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105460 transitions. [2022-07-19 23:13:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-19 23:13:49,431 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:13:49,431 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] [2022-07-19 23:13:49,631 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-07-19 23:13:49,959 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Could not destroy process within 200 ms, abandoning it [2022-07-19 23:13:49,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:13:49,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:13:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:13:49,960 INFO L85 PathProgramCache]: Analyzing trace with hash 393190319, now seen corresponding path program 1 times [2022-07-19 23:13:49,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:13:49,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11178885] [2022-07-19 23:13:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:13:49,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:13:49,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:13:49,983 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) [2022-07-19 23:13:50,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:14:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:13,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 5457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:14:13,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:14:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:14:14,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:14:14,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:14:14,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11178885] [2022-07-19 23:14:14,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11178885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:14,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:14,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:14:14,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293903088] [2022-07-19 23:14:14,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:14,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:14:14,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:14:14,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:14:14,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:14:14,041 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) [2022-07-19 23:14:16,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:16,809 INFO L93 Difference]: Finished difference Result 197872 states and 315830 transitions. [2022-07-19 23:14:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:14:16,809 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 [2022-07-19 23:14:16,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:17,650 INFO L225 Difference]: With dead ends: 197872 [2022-07-19 23:14:17,651 INFO L226 Difference]: Without dead ends: 131809 [2022-07-19 23:14:17,907 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 [2022-07-19 23:14:17,908 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 [2022-07-19 23:14:17,908 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] [2022-07-19 23:14:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131809 states. [2022-07-19 23:14:22,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131809 to 131794. [2022-07-19 23:14:22,693 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) [2022-07-19 23:14:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131794 states to 131794 states and 210324 transitions. [2022-07-19 23:14:23,788 INFO L78 Accepts]: Start accepts. Automaton has 131794 states and 210324 transitions. Word has length 31 [2022-07-19 23:14:23,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:14:23,789 INFO L495 AbstractCegarLoop]: Abstraction has 131794 states and 210324 transitions. [2022-07-19 23:14:23,789 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) [2022-07-19 23:14:23,790 INFO L276 IsEmpty]: Start isEmpty. Operand 131794 states and 210324 transitions. [2022-07-19 23:14:23,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 23:14:23,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:23,791 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] [2022-07-19 23:14:24,009 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-07-19 23:14:24,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:14:24,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:14:24,014 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:24,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash 859197427, now seen corresponding path program 1 times [2022-07-19 23:14:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:14:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864811947] [2022-07-19 23:14:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:24,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:14:24,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:14:24,023 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) [2022-07-19 23:14:24,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:14:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:46,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 5471 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:14:46,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:14:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:14:46,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:14:46,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:14:46,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864811947] [2022-07-19 23:14:46,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864811947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:46,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:46,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:14:46,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633718558] [2022-07-19 23:14:46,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:46,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:14:46,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:14:46,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:14:46,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:14:46,751 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) [2022-07-19 23:14:51,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:51,646 INFO L93 Difference]: Finished difference Result 394736 states and 629878 transitions. [2022-07-19 23:14:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:14:51,646 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 [2022-07-19 23:14:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:53,223 INFO L225 Difference]: With dead ends: 394736 [2022-07-19 23:14:53,223 INFO L226 Difference]: Without dead ends: 262945 [2022-07-19 23:14:53,852 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 [2022-07-19 23:14:53,853 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 [2022-07-19 23:14:53,853 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] [2022-07-19 23:14:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262945 states. [2022-07-19 23:15:00,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262945 to 262930. [2022-07-19 23:15:00,530 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) [2022-07-19 23:15:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262930 states to 262930 states and 419476 transitions. [2022-07-19 23:15:02,295 INFO L78 Accepts]: Start accepts. Automaton has 262930 states and 419476 transitions. Word has length 38 [2022-07-19 23:15:02,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:15:02,296 INFO L495 AbstractCegarLoop]: Abstraction has 262930 states and 419476 transitions. [2022-07-19 23:15:02,296 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) [2022-07-19 23:15:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 262930 states and 419476 transitions. [2022-07-19 23:15:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-19 23:15:02,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:15:02,299 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] [2022-07-19 23:15:02,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-19 23:15:02,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:15:02,515 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:15:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:15:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1596138175, now seen corresponding path program 1 times [2022-07-19 23:15:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:15:02,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723083472] [2022-07-19 23:15:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:15:02,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:15:02,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:15:02,522 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) [2022-07-19 23:15:02,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process