./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.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 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:15:30,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:15:30,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:15:30,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:15:30,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:15:30,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:15:30,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:15:30,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:15:30,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:15:30,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:15:30,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:15:30,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:15:30,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:15:30,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:15:30,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:15:30,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:15:30,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:15:30,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:15:30,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:15:30,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:15:30,359 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:15:30,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:15:30,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:15:30,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:15:30,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:15:30,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:15:30,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:15:30,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:15:30,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:15:30,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:15:30,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:15:30,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:15:30,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:15:30,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:15:30,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:15:30,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:15:30,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:15:30,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:15:30,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:15:30,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:15:30,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:15:30,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:15:30,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:15:30,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:15:30,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:15:30,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:15:30,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:15:30,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:15:30,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:15:30,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:15:30,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:15:30,401 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:15:30,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:15:30,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:15:30,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:15:30,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:15:30,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:15:30,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:15:30,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:15:30,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:15:30,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:15:30,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:15:30,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:15:30,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:15:30,405 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:15:30,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:15:30,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:15:30,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-14 01:15:30,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:15:30,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:15:30,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:15:30,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:15:30,615 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:15:30,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-14 01:15:30,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a556878/365d60487b8f4597b853dea3555a175f/FLAG29d3f2716 [2022-07-14 01:15:31,267 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:15:31,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-14 01:15:31,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a556878/365d60487b8f4597b853dea3555a175f/FLAG29d3f2716 [2022-07-14 01:15:31,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a556878/365d60487b8f4597b853dea3555a175f [2022-07-14 01:15:31,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:15:31,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:15:31,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:15:31,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:15:31,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:15:31,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:15:31" (1/1) ... [2022-07-14 01:15:31,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618d123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:31, skipping insertion in model container [2022-07-14 01:15:31,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:15:31" (1/1) ... [2022-07-14 01:15:31,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:15:31,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:15:33,220 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-14 01:15:33,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:15:33,485 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:15:33,582 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) 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:1845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:314) 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) [2022-07-14 01:15:33,586 INFO L158 Benchmark]: Toolchain (without parser) took 2169.48ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 86.4MB in the beginning and 73.9MB in the end (delta: 12.5MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2022-07-14 01:15:33,587 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:15:33,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2165.92ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 86.4MB in the beginning and 73.9MB in the end (delta: 12.5MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2022-07-14 01:15:33,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2165.92ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 86.4MB in the beginning and 73.9MB in the end (delta: 12.5MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.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 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:15:35,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:15:35,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:15:35,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:15:35,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:15:35,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:15:35,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:15:35,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:15:35,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:15:35,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:15:35,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:15:35,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:15:35,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:15:35,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:15:35,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:15:35,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:15:35,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:15:35,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:15:35,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:15:35,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:15:35,141 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:15:35,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:15:35,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:15:35,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:15:35,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:15:35,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:15:35,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:15:35,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:15:35,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:15:35,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:15:35,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:15:35,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:15:35,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:15:35,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:15:35,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:15:35,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:15:35,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:15:35,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:15:35,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:15:35,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:15:35,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:15:35,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:15:35,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:15:35,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:15:35,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:15:35,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:15:35,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:15:35,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:15:35,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:15:35,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:15:35,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:15:35,193 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:15:35,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:15:35,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:15:35,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:15:35,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:15:35,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:15:35,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:15:35,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:15:35,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:15:35,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:15:35,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:15:35,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:15:35,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:15:35,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:15:35,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:15:35,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:15:35,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:15:35,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:15:35,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:15:35,196 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:15:35,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:15:35,197 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:15:35,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:15:35,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:15:35,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:15:35,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-14 01:15:35,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:15:35,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:15:35,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:15:35,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:15:35,462 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:15:35,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-14 01:15:35,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8af39c36/bd3f5c0df44344cd8616e3e6fae5fe82/FLAG3a53f7df3 [2022-07-14 01:15:36,182 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:15:36,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-14 01:15:36,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8af39c36/bd3f5c0df44344cd8616e3e6fae5fe82/FLAG3a53f7df3 [2022-07-14 01:15:36,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8af39c36/bd3f5c0df44344cd8616e3e6fae5fe82 [2022-07-14 01:15:36,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:15:36,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:15:36,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:15:36,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:15:36,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:15:36,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:15:36" (1/1) ... [2022-07-14 01:15:36,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164f1b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:36, skipping insertion in model container [2022-07-14 01:15:36,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:15:36" (1/1) ... [2022-07-14 01:15:36,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:15:36,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:15:38,461 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-14 01:15:38,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:15:38,686 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:15:38,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:15:39,112 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-14 01:15:39,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:15:39,157 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:15:39,410 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-14 01:15:39,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:15:39,713 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:15:39,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39 WrapperNode [2022-07-14 01:15:39,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:15:39,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:15:39,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:15:39,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:15:39,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:39,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,124 INFO L137 Inliner]: procedures = 338, calls = 5840, calls flagged for inlining = 175, calls inlined = 170, statements flattened = 14645 [2022-07-14 01:15:40,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:15:40,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:15:40,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:15:40,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:15:40,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:15:40,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:15:40,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:15:40,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:15:40,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (1/1) ... [2022-07-14 01:15:40,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:15:40,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:15:40,432 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) [2022-07-14 01:15:40,463 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 [2022-07-14 01:15:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:15:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-14 01:15:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-14 01:15:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2022-07-14 01:15:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2022-07-14 01:15:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 01:15:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:15:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:15:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:15:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:15:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:15:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:15:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure adc_lsb [2022-07-14 01:15:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure adc_lsb [2022-07-14 01:15:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_enable [2022-07-14 01:15:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_enable [2022-07-14 01:15:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure set_in [2022-07-14 01:15:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in [2022-07-14 01:15:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-14 01:15:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-14 01:15:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:15:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:15:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-14 01:15:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-14 01:15:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2022-07-14 01:15:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2022-07-14 01:15:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:15:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:15:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:15:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:15:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2022-07-14 01:15:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2022-07-14 01:15:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:15:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:15:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:15:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:15:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2022-07-14 01:15:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2022-07-14 01:15:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2022-07-14 01:15:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2022-07-14 01:15:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2022-07-14 01:15:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2022-07-14 01:15:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:15:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:15:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2022-07-14 01:15:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2022-07-14 01:15:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2022-07-14 01:15:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2022-07-14 01:15:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_pwm [2022-07-14 01:15:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_pwm [2022-07-14 01:15:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:15:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-14 01:15:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-14 01:15:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-14 01:15:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-14 01:15:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-14 01:15:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-14 01:15:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:15:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:15:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:15:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-07-14 01:15:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-07-14 01:15:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 01:15:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-14 01:15:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-14 01:15:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:15:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_pwm [2022-07-14 01:15:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_pwm [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:15:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:15:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure it87_probe [2022-07-14 01:15:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_probe [2022-07-14 01:15:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-14 01:15:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-14 01:15:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2022-07-14 01:15:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2022-07-14 01:15:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2022-07-14 01:15:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2022-07-14 01:15:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 01:15:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 01:15:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-14 01:15:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-14 01:15:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-07-14 01:15:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-07-14 01:15:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-14 01:15:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-14 01:15:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 01:15:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 01:15:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-14 01:15:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-14 01:15:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_temp_map [2022-07-14 01:15:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_temp_map [2022-07-14 01:15:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_temp [2022-07-14 01:15:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_temp [2022-07-14 01:15:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_temp_map [2022-07-14 01:15:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_temp_map [2022-07-14 01:15:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-14 01:15:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-14 01:15:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2022-07-14 01:15:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2022-07-14 01:15:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-14 01:15:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-14 01:15:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-07-14 01:15:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-07-14 01:15:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:15:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:15:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:15:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:15:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_type [2022-07-14 01:15:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_type [2022-07-14 01:15:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:15:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:15:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:15:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2022-07-14 01:15:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2022-07-14 01:15:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:15:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:15:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2022-07-14 01:15:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2022-07-14 01:15:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_to_reg [2022-07-14 01:15:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_to_reg [2022-07-14 01:15:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-14 01:15:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-14 01:15:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2022-07-14 01:15:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2022-07-14 01:15:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure set_beep [2022-07-14 01:15:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beep [2022-07-14 01:15:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm [2022-07-14 01:15:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm [2022-07-14 01:15:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-14 01:15:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-14 01:15:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-14 01:15:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-14 01:15:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2022-07-14 01:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2022-07-14 01:15:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove [2022-07-14 01:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove [2022-07-14 01:15:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-14 01:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-14 01:15:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure it87_update_device [2022-07-14 01:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_update_device [2022-07-14 01:15:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_temp [2022-07-14 01:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_temp [2022-07-14 01:15:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 01:15:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 01:15:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_from_reg [2022-07-14 01:15:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_from_reg [2022-07-14 01:15:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2022-07-14 01:15:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2022-07-14 01:15:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:15:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:15:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:15:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:15:41,457 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:15:41,458 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:15:41,722 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:16:13,850 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:16:13,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:16:13,878 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:16:13,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:16:13 BoogieIcfgContainer [2022-07-14 01:16:13,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:16:13,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:16:13,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:16:13,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:16:13,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:15:36" (1/3) ... [2022-07-14 01:16:13,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaed4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:16:13, skipping insertion in model container [2022-07-14 01:16:13,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:15:39" (2/3) ... [2022-07-14 01:16:13,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaed4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:16:13, skipping insertion in model container [2022-07-14 01:16:13,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:16:13" (3/3) ... [2022-07-14 01:16:13,890 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-14 01:16:13,899 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:16:13,899 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:16:13,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:16:13,994 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@73b653a1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6a600f40 [2022-07-14 01:16:13,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:16:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 4141 states, 2825 states have (on average 1.4290265486725664) internal successors, (4037), 2981 states have internal predecessors, (4037), 1246 states have call successors, (1246), 69 states have call predecessors, (1246), 68 states have return successors, (1105), 1105 states have call predecessors, (1105), 1105 states have call successors, (1105) [2022-07-14 01:16:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-14 01:16:14,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:16:14,359 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:16:14,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:16:14,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:16:14,367 INFO L85 PathProgramCache]: Analyzing trace with hash 896500142, now seen corresponding path program 1 times [2022-07-14 01:16:14,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:16:14,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761718956] [2022-07-14 01:16:14,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:16:14,393 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:16:14,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:16:14,411 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) [2022-07-14 01:16:14,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:17:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:17:17,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 01:17:17,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:17:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 180220 proven. 0 refuted. 0 times theorem prover too weak. 622832 trivial. 0 not checked. [2022-07-14 01:17:17,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:17:17,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:17:17,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761718956] [2022-07-14 01:17:17,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761718956] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:17:17,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:17:17,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:17:17,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956164509] [2022-07-14 01:17:17,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:17:17,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 01:17:17,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:17:17,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 01:17:17,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:17:17,567 INFO L87 Difference]: Start difference. First operand has 4141 states, 2825 states have (on average 1.4290265486725664) internal successors, (4037), 2981 states have internal predecessors, (4037), 1246 states have call successors, (1246), 69 states have call predecessors, (1246), 68 states have return successors, (1105), 1105 states have call predecessors, (1105), 1105 states have call successors, (1105) Second operand has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) [2022-07-14 01:17:17,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:17:17,749 INFO L93 Difference]: Finished difference Result 8277 states and 13532 transitions. [2022-07-14 01:17:17,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 01:17:17,752 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) Word has length 6242 [2022-07-14 01:17:17,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:17:17,780 INFO L225 Difference]: With dead ends: 8277 [2022-07-14 01:17:17,781 INFO L226 Difference]: Without dead ends: 3993 [2022-07-14 01:17:17,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6241 GetRequests, 6241 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:17:17,810 INFO L413 NwaCegarLoop]: 6379 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:17:17,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6379 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:17:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2022-07-14 01:17:18,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 3993. [2022-07-14 01:17:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3993 states, 2820 states have (on average 1.3787234042553191) internal successors, (3888), 2833 states have internal predecessors, (3888), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-14 01:17:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 3993 states and 6092 transitions. [2022-07-14 01:17:18,097 INFO L78 Accepts]: Start accepts. Automaton has 3993 states and 6092 transitions. Word has length 6242 [2022-07-14 01:17:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:17:18,098 INFO L495 AbstractCegarLoop]: Abstraction has 3993 states and 6092 transitions. [2022-07-14 01:17:18,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) [2022-07-14 01:17:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 6092 transitions. [2022-07-14 01:17:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-14 01:17:18,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:17:18,413 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:17:18,631 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-14 01:17:18,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-14 01:17:18,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:17:18,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:17:18,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:17:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1221434568, now seen corresponding path program 1 times [2022-07-14 01:17:18,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:17:18,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761500047] [2022-07-14 01:17:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:17:18,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:17:18,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:17:18,800 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) [2022-07-14 01:17:18,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:18:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:18:20,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:18:20,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:18:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 802332 trivial. 0 not checked. [2022-07-14 01:18:20,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:18:20,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:18:20,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761500047] [2022-07-14 01:18:20,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761500047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:18:20,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:18:20,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:18:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331772920] [2022-07-14 01:18:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:18:20,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:18:20,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:18:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:18:20,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:18:20,541 INFO L87 Difference]: Start difference. First operand 3993 states and 6092 transitions. Second operand has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) [2022-07-14 01:18:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:18:23,340 INFO L93 Difference]: Finished difference Result 7322 states and 11268 transitions. [2022-07-14 01:18:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:18:23,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) Word has length 6242 [2022-07-14 01:18:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:18:23,380 INFO L225 Difference]: With dead ends: 7322 [2022-07-14 01:18:23,380 INFO L226 Difference]: Without dead ends: 3994 [2022-07-14 01:18:23,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6243 GetRequests, 6237 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:18:23,396 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 6 mSDsluCounter, 23860 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 29868 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:18:23,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 29868 Invalid, 668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [81 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 01:18:23,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2022-07-14 01:18:23,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3994. [2022-07-14 01:18:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2821 states have (on average 1.3785891527827012) internal successors, (3889), 2834 states have internal predecessors, (3889), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-14 01:18:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 6093 transitions. [2022-07-14 01:18:23,788 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 6093 transitions. Word has length 6242 [2022-07-14 01:18:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:18:23,804 INFO L495 AbstractCegarLoop]: Abstraction has 3994 states and 6093 transitions. [2022-07-14 01:18:23,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) [2022-07-14 01:18:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 6093 transitions. [2022-07-14 01:18:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6324 [2022-07-14 01:18:24,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:18:24,103 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:18:24,320 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-14 01:18:24,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-14 01:18:24,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:18:24,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:18:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:18:24,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1454057125, now seen corresponding path program 1 times [2022-07-14 01:18:24,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:18:24,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106319520] [2022-07-14 01:18:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:18:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:18:24,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:18:24,483 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) [2022-07-14 01:18:24,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:19:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 29348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:19:27,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:19:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 960 proven. 1 refuted. 0 times theorem prover too weak. 811892 trivial. 0 not checked. [2022-07-14 01:19:28,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:19:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 812052 trivial. 0 not checked. [2022-07-14 01:19:32,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:19:32,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106319520] [2022-07-14 01:19:32,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106319520] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:19:32,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:19:32,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:19:32,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774182918] [2022-07-14 01:19:32,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:19:32,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:19:32,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:19:32,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:19:32,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:19:32,477 INFO L87 Difference]: Start difference. First operand 3994 states and 6093 transitions. Second operand has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) [2022-07-14 01:19:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:19:35,980 INFO L93 Difference]: Finished difference Result 7324 states and 11270 transitions. [2022-07-14 01:19:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:19:35,982 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) Word has length 6323 [2022-07-14 01:19:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:19:36,004 INFO L225 Difference]: With dead ends: 7324 [2022-07-14 01:19:36,005 INFO L226 Difference]: Without dead ends: 3995 [2022-07-14 01:19:36,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12646 GetRequests, 12635 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:19:36,022 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 11 mSDsluCounter, 35871 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 41879 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:19:36,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 41879 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 01:19:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2022-07-14 01:19:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3995. [2022-07-14 01:19:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3995 states, 2822 states have (on average 1.378454996456414) internal successors, (3890), 2835 states have internal predecessors, (3890), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-14 01:19:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 6094 transitions. [2022-07-14 01:19:36,194 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 6094 transitions. Word has length 6323 [2022-07-14 01:19:36,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:19:36,201 INFO L495 AbstractCegarLoop]: Abstraction has 3995 states and 6094 transitions. [2022-07-14 01:19:36,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) [2022-07-14 01:19:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 6094 transitions. [2022-07-14 01:19:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6405 [2022-07-14 01:19:36,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:19:36,394 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 162, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:19:36,619 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-14 01:19:36,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137 [2022-07-14 01:19:36,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:19:36,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:19:36,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:19:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2073550552, now seen corresponding path program 2 times [2022-07-14 01:19:36,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:19:36,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901301780] [2022-07-14 01:19:36,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:19:36,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:19:36,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:19:36,786 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) [2022-07-14 01:19:36,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process