./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.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 fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:12:38,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:12:38,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:12:38,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:12:38,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:12:38,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:12:38,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:12:38,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:12:38,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:12:38,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:12:38,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:12:38,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:12:38,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:12:38,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:12:38,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:12:38,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:12:38,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:12:38,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:12:38,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:12:38,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:12:38,629 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:12:38,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:12:38,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:12:38,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:12:38,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:12:38,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:12:38,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:12:38,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:12:38,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:12:38,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:12:38,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:12:38,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:12:38,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:12:38,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:12:38,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:12:38,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:12:38,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:12:38,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:12:38,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:12:38,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:12:38,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:12:38,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:12:38,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:12:38,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:12:38,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:12:38,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:12:38,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:12:38,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:12:38,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:12:38,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:12:38,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:12:38,681 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:12:38,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:12:38,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:12:38,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:12:38,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:12:38,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:12:38,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:12:38,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:12:38,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:12:38,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:12:38,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:12:38,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:12:38,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:12:38,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:12:38,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:12:38,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:12:38,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:12:38,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:12:38,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:12:38,685 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:12:38,685 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:12:38,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:12:38,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 [2022-07-21 14:12:38,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:12:38,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:12:38,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:12:38,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:12:38,990 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:12:38,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-21 14:12:39,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c21af956/c9effc6cc4e042008718c2c090350fcd/FLAG31aa1d47d [2022-07-21 14:12:39,744 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:12:39,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-21 14:12:39,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c21af956/c9effc6cc4e042008718c2c090350fcd/FLAG31aa1d47d [2022-07-21 14:12:40,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c21af956/c9effc6cc4e042008718c2c090350fcd [2022-07-21 14:12:40,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:12:40,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:12:40,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:12:40,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:12:40,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:12:40,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:40" (1/1) ... [2022-07-21 14:12:40,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74537e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:40, skipping insertion in model container [2022-07-21 14:12:40,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:40" (1/1) ... [2022-07-21 14:12:40,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:12:40,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:12:42,305 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-21 14:12:42,307 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-21 14:12:42,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:12:42,349 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:12:42,521 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: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920] 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: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.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 14:12:42,527 INFO L158 Benchmark]: Toolchain (without parser) took 2484.65ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 28.5MB in the beginning and 36.9MB in the end (delta: -8.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-21 14:12:42,528 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:12:42,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2482.03ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 28.2MB in the beginning and 36.9MB in the end (delta: -8.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-21 14:12:42,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2482.03ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 28.2MB in the beginning and 36.9MB in the end (delta: -8.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920]: 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.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 fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:12:44,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:12:44,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:12:44,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:12:44,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:12:44,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:12:44,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:12:44,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:12:44,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:12:44,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:12:44,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:12:44,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:12:44,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:12:44,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:12:44,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:12:44,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:12:44,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:12:44,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:12:44,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:12:44,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:12:44,230 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:12:44,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:12:44,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:12:44,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:12:44,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:12:44,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:12:44,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:12:44,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:12:44,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:12:44,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:12:44,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:12:44,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:12:44,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:12:44,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:12:44,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:12:44,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:12:44,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:12:44,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:12:44,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:12:44,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:12:44,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:12:44,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:12:44,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:12:44,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:12:44,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:12:44,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:12:44,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:12:44,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:12:44,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:12:44,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:12:44,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:12:44,282 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:12:44,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:12:44,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:12:44,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:12:44,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:12:44,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:12:44,284 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:12:44,284 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:12:44,284 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:12:44,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:12:44,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:12:44,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:12:44,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:12:44,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:12:44,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:12:44,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:12:44,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:12:44,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:12:44,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:12:44,285 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:12:44,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:12:44,286 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:12:44,286 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:12:44,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:12:44,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:12:44,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 [2022-07-21 14:12:44,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:12:44,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:12:44,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:12:44,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:12:44,597 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:12:44,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-21 14:12:44,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c7369b7/e24dd047df074fec852dd0ed77750538/FLAGa339d4f6a [2022-07-21 14:12:45,337 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:12:45,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-21 14:12:45,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c7369b7/e24dd047df074fec852dd0ed77750538/FLAGa339d4f6a [2022-07-21 14:12:45,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c7369b7/e24dd047df074fec852dd0ed77750538 [2022-07-21 14:12:45,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:12:45,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:12:45,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:12:45,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:12:45,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:12:45,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:45" (1/1) ... [2022-07-21 14:12:45,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfd4cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:45, skipping insertion in model container [2022-07-21 14:12:45,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:45" (1/1) ... [2022-07-21 14:12:45,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:12:45,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:12:47,937 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-21 14:12:47,939 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-21 14:12:47,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:12:47,978 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:12:48,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:12:48,285 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-21 14:12:48,286 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-21 14:12:48,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:12:48,319 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:12:48,555 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-21 14:12:48,556 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-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-21 14:12:48,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:12:48,666 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:12:48,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48 WrapperNode [2022-07-21 14:12:48,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:12:48,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:12:48,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:12:48,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:12:48,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:48,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:48,943 INFO L137 Inliner]: procedures = 439, calls = 2331, calls flagged for inlining = 195, calls inlined = 180, statements flattened = 4774 [2022-07-21 14:12:48,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:12:48,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:12:48,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:12:48,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:12:48,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:48,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:12:49,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:12:49,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:12:49,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:12:49,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (1/1) ... [2022-07-21 14:12:49,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:12:49,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:12:49,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:12:49,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:12:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-07-21 14:12:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-07-21 14:12:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:12:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:12:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:12:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:12:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:12:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:12:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-07-21 14:12:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-07-21 14:12:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-07-21 14:12:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-07-21 14:12:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:12:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:12:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-07-21 14:12:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-07-21 14:12:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-07-21 14:12:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-07-21 14:12:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:12:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:12:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-07-21 14:12:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-07-21 14:12:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-07-21 14:12:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-07-21 14:12:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-07-21 14:12:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-07-21 14:12:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:12:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:12:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:12:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:12:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:12:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:12:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:12:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:12:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 14:12:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 14:12:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:12:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 14:12:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:12:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:12:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:12:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:12:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:12:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-07-21 14:12:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-07-21 14:12:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2022-07-21 14:12:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2022-07-21 14:12:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:12:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:12:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-07-21 14:12:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-07-21 14:12:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 14:12:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 14:12:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2022-07-21 14:12:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2022-07-21 14:12:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2022-07-21 14:12:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2022-07-21 14:12:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-07-21 14:12:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-07-21 14:12:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:12:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:12:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:12:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:12:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:12:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:12:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:12:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:12:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:12:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:12:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:12:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:12:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-07-21 14:12:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-07-21 14:12:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_timer [2022-07-21 14:12:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_timer [2022-07-21 14:12:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-07-21 14:12:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-07-21 14:12:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-07-21 14:12:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-07-21 14:12:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:12:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:12:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_88 [2022-07-21 14:12:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_88 [2022-07-21 14:12:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:12:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:12:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-07-21 14:12:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-07-21 14:12:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-07-21 14:12:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-07-21 14:12:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-07-21 14:12:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-07-21 14:12:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:12:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-21 14:12:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-21 14:12:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-07-21 14:12:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-07-21 14:12:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 14:12:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 14:12:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:12:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:12:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:12:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:12:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:12:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:12:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:12:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:12:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:12:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-07-21 14:12:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-07-21 14:12:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:12:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:12:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:12:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:12:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:12:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:12:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:12:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:12:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:12:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:12:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-21 14:12:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-21 14:12:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-07-21 14:12:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-07-21 14:12:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-07-21 14:12:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-07-21 14:12:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:12:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:12:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:12:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:12:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-21 14:12:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-21 14:12:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:12:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_up [2022-07-21 14:12:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_up [2022-07-21 14:12:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:12:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:12:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:12:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:12:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:12:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-21 14:12:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-21 14:12:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-07-21 14:12:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-07-21 14:12:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-07-21 14:12:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-07-21 14:12:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:12:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:12:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_finish_auto_neg [2022-07-21 14:12:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_finish_auto_neg [2022-07-21 14:12:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:12:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:12:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:12:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:12:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-21 14:12:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-21 14:12:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_start_link [2022-07-21 14:12:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_start_link [2022-07-21 14:12:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:12:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-07-21 14:12:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-07-21 14:12:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:12:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:12:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:12:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 14:12:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 14:12:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-07-21 14:12:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-07-21 14:12:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:12:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:12:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-07-21 14:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-07-21 14:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-07-21 14:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-07-21 14:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-21 14:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-21 14:12:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:12:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 14:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 14:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-21 14:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-21 14:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-07-21 14:12:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-07-21 14:12:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-07-21 14:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-07-21 14:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-07-21 14:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-07-21 14:12:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 14:12:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 14:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-07-21 14:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-07-21 14:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-07-21 14:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-07-21 14:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-07-21 14:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-07-21 14:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:12:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-07-21 14:12:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-07-21 14:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-07-21 14:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-07-21 14:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-07-21 14:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-07-21 14:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_reset [2022-07-21 14:12:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_reset [2022-07-21 14:12:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-07-21 14:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-07-21 14:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2022-07-21 14:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2022-07-21 14:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:12:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 14:12:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 14:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-07-21 14:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-07-21 14:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-21 14:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-21 14:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 14:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-21 14:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-21 14:12:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:12:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:12:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 14:12:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 14:12:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-21 14:12:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-21 14:12:50,187 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:12:50,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:13:01,681 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6972: assume 1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6972: assume !(1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1)); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet339#1; [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: assume !(16bv32 == ~debug~0); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974-1: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet340#1; [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974-1: assume !(16bv32 == ~debug~0); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6945: assume 0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6945: assume !(0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset)); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet336#1; [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: assume !(16bv32 == ~debug~0); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7045: assume ~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7045: assume !~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-21 14:13:25,463 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979-2: SUMMARY for call tlan_eisa_probe_#t~ret337#1 := inb(~bvadd32(3264bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950: SUMMARY for call tlan_eisa_probe_#t~ret333#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret333#1;havoc tlan_eisa_probe_#t~ret333#1; [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7017: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := tlan_probe1(0bv64, 0bv64, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12bv32, 0bv64, 0bv64); srcloc: null [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume 4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume !(4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1)); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret337#1;havoc tlan_eisa_probe_#t~ret337#1; [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6954: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~nondet328#1; [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: SUMMARY for call tlan_eisa_probe_#t~ret327#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6989: assume 16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6989: assume !(16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6990: tlan_eisa_probe_~irq~0#1 := 5bv32; [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1; [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: assume 32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-21 14:13:25,464 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: assume !(32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: tlan_eisa_probe_~irq~0#1 := 9bv32; [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0);havoc tlan_eisa_probe_#t~nondet331#1; [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume 8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume !(8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1)); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6930: SUMMARY for call tlan_eisa_probe_#t~ret329#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6930-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~nondet330#1; [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: assume 64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: assume !(64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6998: tlan_eisa_probe_~irq~0#1 := 10bv32; [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935-1: call tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0bv32);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset;havoc tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset; [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume 128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume !(128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7002: tlan_eisa_probe_~irq~0#1 := 11bv32; [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: SUMMARY for call tlan_eisa_probe_#t~ret335#1 := inb(~bvadd32(3204bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7036-1: tlan_eisa_probe_~ioaddr~0#1 := ~bvadd64(4096bv64, tlan_eisa_probe_~ioaddr~0#1); [2022-07-21 14:13:25,465 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret335#1;havoc tlan_eisa_probe_#t~ret335#1; [2022-07-21 14:13:25,559 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:13:25,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:13:25,575 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:13:25,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:13:25 BoogieIcfgContainer [2022-07-21 14:13:25,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:13:25,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:13:25,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:13:25,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:13:25,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:12:45" (1/3) ... [2022-07-21 14:13:25,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86d189b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:13:25, skipping insertion in model container [2022-07-21 14:13:25,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:48" (2/3) ... [2022-07-21 14:13:25,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86d189b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:13:25, skipping insertion in model container [2022-07-21 14:13:25,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:13:25" (3/3) ... [2022-07-21 14:13:25,584 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-21 14:13:25,595 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:13:25,596 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:13:25,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:13:25,669 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@39e1f935, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2b74ad66 [2022-07-21 14:13:25,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:13:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 1996 states, 1285 states have (on average 1.2568093385214008) internal successors, (1615), 1339 states have internal predecessors, (1615), 602 states have call successors, (602), 108 states have call predecessors, (602), 107 states have return successors, (598), 580 states have call predecessors, (598), 598 states have call successors, (598) [2022-07-21 14:13:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 14:13:25,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:25,699 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:13:25,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:25,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:25,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1038281529, now seen corresponding path program 1 times [2022-07-21 14:13:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:13:25,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464735422] [2022-07-21 14:13:25,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:25,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:13:25,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:13:25,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:13:25,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:13:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:27,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:13:27,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:13:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-07-21 14:13:27,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:13:27,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:13:27,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464735422] [2022-07-21 14:13:27,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464735422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:27,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:27,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 14:13:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761083789] [2022-07-21 14:13:27,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:27,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:13:27,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:13:27,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:13:27,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:13:27,512 INFO L87 Difference]: Start difference. First operand has 1996 states, 1285 states have (on average 1.2568093385214008) internal successors, (1615), 1339 states have internal predecessors, (1615), 602 states have call successors, (602), 108 states have call predecessors, (602), 107 states have return successors, (598), 580 states have call predecessors, (598), 598 states have call successors, (598) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-21 14:13:29,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:13:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:30,206 INFO L93 Difference]: Finished difference Result 5711 states and 8287 transitions. [2022-07-21 14:13:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:13:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 172 [2022-07-21 14:13:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:30,257 INFO L225 Difference]: With dead ends: 5711 [2022-07-21 14:13:30,257 INFO L226 Difference]: Without dead ends: 3550 [2022-07-21 14:13:30,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:13:30,295 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 2422 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:30,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 6626 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 14:13:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-07-21 14:13:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3533. [2022-07-21 14:13:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2298 states have (on average 1.2389033942558747) internal successors, (2847), 2394 states have internal predecessors, (2847), 1033 states have call successors, (1033), 201 states have call predecessors, (1033), 201 states have return successors, (1042), 999 states have call predecessors, (1042), 1033 states have call successors, (1042) [2022-07-21 14:13:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4922 transitions. [2022-07-21 14:13:30,574 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4922 transitions. Word has length 172 [2022-07-21 14:13:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:30,575 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4922 transitions. [2022-07-21 14:13:30,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-21 14:13:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4922 transitions. [2022-07-21 14:13:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 14:13:30,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:30,588 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:13:30,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:13:30,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:13:30,816 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:30,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1102762759, now seen corresponding path program 1 times [2022-07-21 14:13:30,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:13:30,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690106645] [2022-07-21 14:13:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:13:30,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:13:30,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:13:30,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:13:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:32,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-21 14:13:32,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:13:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-21 14:13:33,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:13:33,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:13:33,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690106645] [2022-07-21 14:13:33,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690106645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:33,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:33,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 14:13:33,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743218246] [2022-07-21 14:13:33,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:33,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 14:13:33,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:13:33,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 14:13:33,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:13:33,945 INFO L87 Difference]: Start difference. First operand 3533 states and 4922 transitions. Second operand has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:13:36,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:36,345 INFO L93 Difference]: Finished difference Result 7055 states and 9828 transitions. [2022-07-21 14:13:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 14:13:36,346 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2022-07-21 14:13:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:36,385 INFO L225 Difference]: With dead ends: 7055 [2022-07-21 14:13:36,386 INFO L226 Difference]: Without dead ends: 3537 [2022-07-21 14:13:36,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:13:36,413 INFO L413 NwaCegarLoop]: 2639 mSDtfsCounter, 70 mSDsluCounter, 20935 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:36,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 23574 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 14:13:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-07-21 14:13:36,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3533. [2022-07-21 14:13:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2298 states have (on average 1.238468233246301) internal successors, (2846), 2393 states have internal predecessors, (2846), 1033 states have call successors, (1033), 201 states have call predecessors, (1033), 201 states have return successors, (1042), 999 states have call predecessors, (1042), 1033 states have call successors, (1042) [2022-07-21 14:13:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4921 transitions. [2022-07-21 14:13:36,544 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4921 transitions. Word has length 172 [2022-07-21 14:13:36,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:36,546 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4921 transitions. [2022-07-21 14:13:36,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-21 14:13:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4921 transitions. [2022-07-21 14:13:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-21 14:13:36,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:36,550 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:13:36,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:13:36,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:13:36,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:36,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:36,776 INFO L85 PathProgramCache]: Analyzing trace with hash -102246426, now seen corresponding path program 1 times [2022-07-21 14:13:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:13:36,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52561722] [2022-07-21 14:13:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:36,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:13:36,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:13:36,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:13:36,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:13:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 14:13:38,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:13:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-21 14:13:39,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:13:39,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:13:39,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52561722] [2022-07-21 14:13:39,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52561722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:39,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:39,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-21 14:13:39,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358683532] [2022-07-21 14:13:39,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:39,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 14:13:39,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:13:39,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 14:13:39,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-21 14:13:39,752 INFO L87 Difference]: Start difference. First operand 3533 states and 4921 transitions. Second operand has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2022-07-21 14:13:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:42,847 INFO L93 Difference]: Finished difference Result 7121 states and 9917 transitions. [2022-07-21 14:13:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 14:13:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) Word has length 178 [2022-07-21 14:13:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:42,878 INFO L225 Difference]: With dead ends: 7121 [2022-07-21 14:13:42,878 INFO L226 Difference]: Without dead ends: 3605 [2022-07-21 14:13:42,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-07-21 14:13:42,907 INFO L413 NwaCegarLoop]: 2651 mSDtfsCounter, 47 mSDsluCounter, 31661 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 34312 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:42,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 34312 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 14:13:42,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-07-21 14:13:43,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3555. [2022-07-21 14:13:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 2314 states have (on average 1.236819360414866) internal successors, (2862), 2409 states have internal predecessors, (2862), 1037 states have call successors, (1037), 201 states have call predecessors, (1037), 203 states have return successors, (1048), 1005 states have call predecessors, (1048), 1037 states have call successors, (1048) [2022-07-21 14:13:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 4947 transitions. [2022-07-21 14:13:43,048 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 4947 transitions. Word has length 178 [2022-07-21 14:13:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:43,050 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 4947 transitions. [2022-07-21 14:13:43,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2022-07-21 14:13:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 4947 transitions. [2022-07-21 14:13:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-21 14:13:43,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:43,054 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:13:43,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:13:43,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:13:43,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:43,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:43,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2067474220, now seen corresponding path program 1 times [2022-07-21 14:13:43,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:13:43,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140770390] [2022-07-21 14:13:43,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:43,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:13:43,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:13:43,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:13:43,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:13:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:45,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:13:45,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:13:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-21 14:13:45,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:13:45,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:13:45,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140770390] [2022-07-21 14:13:45,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140770390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:45,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:45,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:13:45,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644944232] [2022-07-21 14:13:45,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:45,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:13:45,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:13:45,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:13:45,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:13:45,467 INFO L87 Difference]: Start difference. First operand 3555 states and 4947 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 14:13:47,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:13:47,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:47,858 INFO L93 Difference]: Finished difference Result 7141 states and 9947 transitions. [2022-07-21 14:13:47,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:13:47,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 182 [2022-07-21 14:13:47,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:47,886 INFO L225 Difference]: With dead ends: 7141 [2022-07-21 14:13:47,887 INFO L226 Difference]: Without dead ends: 3605 [2022-07-21 14:13:47,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:13:47,907 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 33 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 5305 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:47,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 5305 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 14:13:47,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-07-21 14:13:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3597. [2022-07-21 14:13:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3597 states, 2344 states have (on average 1.235494880546075) internal successors, (2896), 2439 states have internal predecessors, (2896), 1049 states have call successors, (1049), 201 states have call predecessors, (1049), 203 states have return successors, (1060), 1017 states have call predecessors, (1060), 1049 states have call successors, (1060) [2022-07-21 14:13:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5005 transitions. [2022-07-21 14:13:48,039 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5005 transitions. Word has length 182 [2022-07-21 14:13:48,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:48,041 INFO L495 AbstractCegarLoop]: Abstraction has 3597 states and 5005 transitions. [2022-07-21 14:13:48,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 14:13:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5005 transitions. [2022-07-21 14:13:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-21 14:13:48,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:48,044 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:13:48,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:13:48,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:13:48,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:48,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:48,272 INFO L85 PathProgramCache]: Analyzing trace with hash -274546547, now seen corresponding path program 1 times [2022-07-21 14:13:48,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:13:48,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853287818] [2022-07-21 14:13:48,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:48,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:13:48,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:13:48,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:13:48,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:13:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:50,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 14:13:50,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:13:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-21 14:13:51,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:13:51,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:13:51,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853287818] [2022-07-21 14:13:51,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853287818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:51,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:51,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-21 14:13:51,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202812026] [2022-07-21 14:13:51,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:51,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 14:13:51,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:13:51,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 14:13:51,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:13:51,452 INFO L87 Difference]: Start difference. First operand 3597 states and 5005 transitions. Second operand has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-21 14:13:55,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:55,063 INFO L93 Difference]: Finished difference Result 7386 states and 10296 transitions. [2022-07-21 14:13:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-21 14:13:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 184 [2022-07-21 14:13:55,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:55,095 INFO L225 Difference]: With dead ends: 7386 [2022-07-21 14:13:55,096 INFO L226 Difference]: Without dead ends: 3806 [2022-07-21 14:13:55,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2022-07-21 14:13:55,128 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 180 mSDsluCounter, 35292 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 38026 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:55,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 38026 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 14:13:55,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2022-07-21 14:13:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3601. [2022-07-21 14:13:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3601 states, 2346 states have (on average 1.2352941176470589) internal successors, (2898), 2443 states have internal predecessors, (2898), 1049 states have call successors, (1049), 201 states have call predecessors, (1049), 205 states have return successors, (1064), 1017 states have call predecessors, (1064), 1049 states have call successors, (1064) [2022-07-21 14:13:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5011 transitions. [2022-07-21 14:13:55,322 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5011 transitions. Word has length 184 [2022-07-21 14:13:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:55,323 INFO L495 AbstractCegarLoop]: Abstraction has 3601 states and 5011 transitions. [2022-07-21 14:13:55,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-21 14:13:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5011 transitions. [2022-07-21 14:13:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-21 14:13:55,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:55,328 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:13:55,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:13:55,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:13:55,548 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash 699960433, now seen corresponding path program 1 times [2022-07-21 14:13:55,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:13:55,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787142188] [2022-07-21 14:13:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:55,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:13:55,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:13:55,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:13:55,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:13:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:58,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-21 14:13:58,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-21 14:14:00,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:14:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-07-21 14:14:03,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:03,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787142188] [2022-07-21 14:14:03,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787142188] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:14:03,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:14:03,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2022-07-21 14:14:03,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735027053] [2022-07-21 14:14:03,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:14:03,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-21 14:14:03,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:03,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-21 14:14:03,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-07-21 14:14:03,324 INFO L87 Difference]: Start difference. First operand 3601 states and 5011 transitions. Second operand has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) [2022-07-21 14:14:07,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:10,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:10,040 INFO L93 Difference]: Finished difference Result 7180 states and 9994 transitions. [2022-07-21 14:14:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 14:14:10,041 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) Word has length 246 [2022-07-21 14:14:10,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:10,070 INFO L225 Difference]: With dead ends: 7180 [2022-07-21 14:14:10,070 INFO L226 Difference]: Without dead ends: 3598 [2022-07-21 14:14:10,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 466 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=108, Invalid=762, Unknown=0, NotChecked=0, Total=870 [2022-07-21 14:14:10,085 INFO L413 NwaCegarLoop]: 2621 mSDtfsCounter, 350 mSDsluCounter, 31048 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 33669 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:10,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 33669 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 709 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 14:14:10,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2022-07-21 14:14:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3574. [2022-07-21 14:14:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3574 states, 2325 states have (on average 1.2335483870967743) internal successors, (2868), 2421 states have internal predecessors, (2868), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-21 14:14:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4969 transitions. [2022-07-21 14:14:10,200 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4969 transitions. Word has length 246 [2022-07-21 14:14:10,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:10,201 INFO L495 AbstractCegarLoop]: Abstraction has 3574 states and 4969 transitions. [2022-07-21 14:14:10,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) [2022-07-21 14:14:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4969 transitions. [2022-07-21 14:14:10,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-21 14:14:10,204 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:10,204 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:10,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:10,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:10,424 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:10,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:10,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1040748288, now seen corresponding path program 1 times [2022-07-21 14:14:10,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:10,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994009794] [2022-07-21 14:14:10,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:10,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:10,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:10,432 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:10,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:14:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 14:14:13,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-07-21 14:14:13,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:14:13,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:13,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994009794] [2022-07-21 14:14:13,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994009794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:13,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:13,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:14:13,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412094699] [2022-07-21 14:14:13,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:13,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:14:13,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:13,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:14:13,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:14:13,690 INFO L87 Difference]: Start difference. First operand 3574 states and 4969 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 14:14:15,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:16,113 INFO L93 Difference]: Finished difference Result 7149 states and 9949 transitions. [2022-07-21 14:14:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:14:16,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 278 [2022-07-21 14:14:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:16,135 INFO L225 Difference]: With dead ends: 7149 [2022-07-21 14:14:16,135 INFO L226 Difference]: Without dead ends: 3594 [2022-07-21 14:14:16,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:14:16,150 INFO L413 NwaCegarLoop]: 2665 mSDtfsCounter, 18 mSDsluCounter, 7963 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10628 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:16,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 10628 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 14:14:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3594 states. [2022-07-21 14:14:16,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3594 to 3580. [2022-07-21 14:14:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3580 states, 2331 states have (on average 1.2329472329472329) internal successors, (2874), 2427 states have internal predecessors, (2874), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-21 14:14:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 4975 transitions. [2022-07-21 14:14:16,397 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 4975 transitions. Word has length 278 [2022-07-21 14:14:16,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:16,397 INFO L495 AbstractCegarLoop]: Abstraction has 3580 states and 4975 transitions. [2022-07-21 14:14:16,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 14:14:16,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 4975 transitions. [2022-07-21 14:14:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-21 14:14:16,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:16,417 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:16,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:16,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:16,618 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:16,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash -590697941, now seen corresponding path program 1 times [2022-07-21 14:14:16,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:16,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972395983] [2022-07-21 14:14:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:16,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:16,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:16,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:16,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:14:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:20,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:14:20,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-21 14:14:20,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:14:20,123 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:20,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972395983] [2022-07-21 14:14:20,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972395983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:20,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:20,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:14:20,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266700261] [2022-07-21 14:14:20,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:20,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:14:20,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:20,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:14:20,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:14:20,125 INFO L87 Difference]: Start difference. First operand 3580 states and 4975 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 14:14:20,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:20,276 INFO L93 Difference]: Finished difference Result 7608 states and 10629 transitions. [2022-07-21 14:14:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:14:20,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 299 [2022-07-21 14:14:20,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:20,302 INFO L225 Difference]: With dead ends: 7608 [2022-07-21 14:14:20,303 INFO L226 Difference]: Without dead ends: 4047 [2022-07-21 14:14:20,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:14:20,318 INFO L413 NwaCegarLoop]: 2880 mSDtfsCounter, 277 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 5575 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:20,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 5575 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 14:14:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4047 states. [2022-07-21 14:14:20,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4047 to 3582. [2022-07-21 14:14:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2333 states have (on average 1.2327475353621946) internal successors, (2876), 2429 states have internal predecessors, (2876), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-21 14:14:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4977 transitions. [2022-07-21 14:14:20,514 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4977 transitions. Word has length 299 [2022-07-21 14:14:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:20,515 INFO L495 AbstractCegarLoop]: Abstraction has 3582 states and 4977 transitions. [2022-07-21 14:14:20,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 14:14:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4977 transitions. [2022-07-21 14:14:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-21 14:14:20,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:20,520 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:20,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:20,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:20,732 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:20,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:20,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1163897241, now seen corresponding path program 1 times [2022-07-21 14:14:20,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:20,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131243036] [2022-07-21 14:14:20,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:20,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:20,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:20,736 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:20,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 14:14:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:24,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 14:14:24,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-21 14:14:24,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:14:24,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:24,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131243036] [2022-07-21 14:14:24,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131243036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:24,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:24,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:14:24,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913627107] [2022-07-21 14:14:24,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:24,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:14:24,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:24,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:14:24,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:14:24,745 INFO L87 Difference]: Start difference. First operand 3582 states and 4977 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 14:14:24,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:24,991 INFO L93 Difference]: Finished difference Result 7173 states and 9977 transitions. [2022-07-21 14:14:24,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:14:24,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2022-07-21 14:14:24,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:25,011 INFO L225 Difference]: With dead ends: 7173 [2022-07-21 14:14:25,011 INFO L226 Difference]: Without dead ends: 3610 [2022-07-21 14:14:25,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:14:25,027 INFO L413 NwaCegarLoop]: 2679 mSDtfsCounter, 19 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:25,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 7996 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 14:14:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2022-07-21 14:14:25,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3584. [2022-07-21 14:14:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 2335 states have (on average 1.2325481798715203) internal successors, (2878), 2431 states have internal predecessors, (2878), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-21 14:14:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4979 transitions. [2022-07-21 14:14:25,124 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4979 transitions. Word has length 302 [2022-07-21 14:14:25,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:25,126 INFO L495 AbstractCegarLoop]: Abstraction has 3584 states and 4979 transitions. [2022-07-21 14:14:25,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 14:14:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4979 transitions. [2022-07-21 14:14:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-21 14:14:25,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:25,129 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:25,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:25,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:25,348 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:25,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:25,349 INFO L85 PathProgramCache]: Analyzing trace with hash -205981442, now seen corresponding path program 1 times [2022-07-21 14:14:25,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:25,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059300288] [2022-07-21 14:14:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:25,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:25,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:25,353 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:25,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 14:14:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:29,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 3484 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:14:29,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-21 14:14:29,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:14:29,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:29,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059300288] [2022-07-21 14:14:29,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059300288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:29,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:29,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:14:29,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945460111] [2022-07-21 14:14:29,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:29,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:14:29,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:14:29,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:14:29,634 INFO L87 Difference]: Start difference. First operand 3584 states and 4979 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:14:29,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:29,811 INFO L93 Difference]: Finished difference Result 7150 states and 9943 transitions. [2022-07-21 14:14:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 14:14:29,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 312 [2022-07-21 14:14:29,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:29,830 INFO L225 Difference]: With dead ends: 7150 [2022-07-21 14:14:29,830 INFO L226 Difference]: Without dead ends: 3585 [2022-07-21 14:14:29,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:14:29,844 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 234 mSDsluCounter, 5021 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 7694 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:29,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 7694 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 14:14:29,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2022-07-21 14:14:29,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3585. [2022-07-21 14:14:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 2336 states have (on average 1.2324486301369864) internal successors, (2879), 2432 states have internal predecessors, (2879), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-21 14:14:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 4980 transitions. [2022-07-21 14:14:29,937 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 4980 transitions. Word has length 312 [2022-07-21 14:14:29,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:29,938 INFO L495 AbstractCegarLoop]: Abstraction has 3585 states and 4980 transitions. [2022-07-21 14:14:29,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:14:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 4980 transitions. [2022-07-21 14:14:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-21 14:14:29,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:29,941 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:30,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:30,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:30,160 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:30,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash -941485215, now seen corresponding path program 1 times [2022-07-21 14:14:30,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:30,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846046393] [2022-07-21 14:14:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:30,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:30,163 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:30,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 14:14:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:34,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 3495 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 14:14:34,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 124 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-21 14:14:34,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:14:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2022-07-21 14:14:35,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:35,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846046393] [2022-07-21 14:14:35,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846046393] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:14:35,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:14:35,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 14:14:35,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507709978] [2022-07-21 14:14:35,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:14:35,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:14:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:35,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:14:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:14:35,141 INFO L87 Difference]: Start difference. First operand 3585 states and 4980 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-21 14:14:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:35,585 INFO L93 Difference]: Finished difference Result 7154 states and 9949 transitions. [2022-07-21 14:14:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 14:14:35,586 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 313 [2022-07-21 14:14:35,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:35,605 INFO L225 Difference]: With dead ends: 7154 [2022-07-21 14:14:35,605 INFO L226 Difference]: Without dead ends: 3588 [2022-07-21 14:14:35,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:14:35,619 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 234 mSDsluCounter, 12714 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 15387 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:35,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 15387 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 14:14:35,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2022-07-21 14:14:35,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3588. [2022-07-21 14:14:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3588 states, 2339 states have (on average 1.2321504916631039) internal successors, (2882), 2435 states have internal predecessors, (2882), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-21 14:14:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 4983 transitions. [2022-07-21 14:14:35,712 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 4983 transitions. Word has length 313 [2022-07-21 14:14:35,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:35,713 INFO L495 AbstractCegarLoop]: Abstraction has 3588 states and 4983 transitions. [2022-07-21 14:14:35,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-21 14:14:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 4983 transitions. [2022-07-21 14:14:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-21 14:14:35,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:35,716 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:35,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:35,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:35,940 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:35,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1113455038, now seen corresponding path program 2 times [2022-07-21 14:14:35,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300281463] [2022-07-21 14:14:35,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 14:14:35,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:35,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:35,948 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:35,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 14:14:37,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 14:14:37,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 14:14:37,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 14:14:37,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-21 14:14:38,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:14:38,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:38,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300281463] [2022-07-21 14:14:38,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300281463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:38,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:38,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:14:38,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136596625] [2022-07-21 14:14:38,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:38,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:14:38,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:38,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:14:38,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:14:38,030 INFO L87 Difference]: Start difference. First operand 3588 states and 4983 transitions. Second operand has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 14:14:39,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:39,259 INFO L93 Difference]: Finished difference Result 7171 states and 9972 transitions. [2022-07-21 14:14:39,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:14:39,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 316 [2022-07-21 14:14:39,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:39,284 INFO L225 Difference]: With dead ends: 7171 [2022-07-21 14:14:39,285 INFO L226 Difference]: Without dead ends: 3602 [2022-07-21 14:14:39,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:14:39,300 INFO L413 NwaCegarLoop]: 2634 mSDtfsCounter, 17 mSDsluCounter, 15753 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 18387 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:39,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 18387 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 14:14:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2022-07-21 14:14:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 3596. [2022-07-21 14:14:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3596 states, 2346 states have (on average 1.2314578005115089) internal successors, (2889), 2443 states have internal predecessors, (2889), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-21 14:14:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 3596 states and 4991 transitions. [2022-07-21 14:14:39,390 INFO L78 Accepts]: Start accepts. Automaton has 3596 states and 4991 transitions. Word has length 316 [2022-07-21 14:14:39,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:39,390 INFO L495 AbstractCegarLoop]: Abstraction has 3596 states and 4991 transitions. [2022-07-21 14:14:39,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 14:14:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 4991 transitions. [2022-07-21 14:14:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-07-21 14:14:39,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:39,394 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:39,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:39,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:39,617 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash 604324298, now seen corresponding path program 1 times [2022-07-21 14:14:39,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:39,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501651078] [2022-07-21 14:14:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:39,621 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:39,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 14:14:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 3464 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 14:14:44,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-21 14:14:44,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:14:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-07-21 14:14:45,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:45,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501651078] [2022-07-21 14:14:45,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501651078] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:14:45,935 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:14:45,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-21 14:14:45,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763963016] [2022-07-21 14:14:45,935 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:14:45,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 14:14:45,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:45,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 14:14:45,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-21 14:14:45,937 INFO L87 Difference]: Start difference. First operand 3596 states and 4991 transitions. Second operand has 14 states, 14 states have (on average 14.357142857142858) internal successors, (201), 14 states have internal predecessors, (201), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-21 14:14:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:47,919 INFO L93 Difference]: Finished difference Result 7179 states and 9977 transitions. [2022-07-21 14:14:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 14:14:47,921 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.357142857142858) internal successors, (201), 14 states have internal predecessors, (201), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 336 [2022-07-21 14:14:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:47,944 INFO L225 Difference]: With dead ends: 7179 [2022-07-21 14:14:47,944 INFO L226 Difference]: Without dead ends: 3602 [2022-07-21 14:14:47,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 658 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-07-21 14:14:47,959 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 234 mSDsluCounter, 18058 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 20731 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:47,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 20731 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:14:47,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2022-07-21 14:14:48,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 3602. [2022-07-21 14:14:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 2352 states have (on average 1.2308673469387754) internal successors, (2895), 2449 states have internal predecessors, (2895), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-21 14:14:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 4997 transitions. [2022-07-21 14:14:48,049 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 4997 transitions. Word has length 336 [2022-07-21 14:14:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:48,050 INFO L495 AbstractCegarLoop]: Abstraction has 3602 states and 4997 transitions. [2022-07-21 14:14:48,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.357142857142858) internal successors, (201), 14 states have internal predecessors, (201), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-21 14:14:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 4997 transitions. [2022-07-21 14:14:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-21 14:14:48,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:48,054 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:48,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:48,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:14:48,280 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:48,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:48,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1393489324, now seen corresponding path program 1 times [2022-07-21 14:14:48,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:14:48,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783967090] [2022-07-21 14:14:48,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:48,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:14:48,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:14:48,284 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:14:48,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-21 14:14:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:53,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 3542 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-21 14:14:53,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 180 proven. 55 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-21 14:14:54,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:14:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-07-21 14:14:57,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:14:57,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783967090] [2022-07-21 14:14:57,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783967090] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:14:57,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:14:57,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-07-21 14:14:57,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777432782] [2022-07-21 14:14:57,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:14:57,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-21 14:14:57,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:14:57,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-21 14:14:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2022-07-21 14:14:57,384 INFO L87 Difference]: Start difference. First operand 3602 states and 4997 transitions. Second operand has 26 states, 26 states have (on average 8.26923076923077) internal successors, (215), 26 states have internal predecessors, (215), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-21 14:15:05,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:15:05,009 INFO L93 Difference]: Finished difference Result 7197 states and 10001 transitions. [2022-07-21 14:15:05,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 14:15:05,010 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.26923076923077) internal successors, (215), 26 states have internal predecessors, (215), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 344 [2022-07-21 14:15:05,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:15:05,030 INFO L225 Difference]: With dead ends: 7197 [2022-07-21 14:15:05,030 INFO L226 Difference]: Without dead ends: 3614 [2022-07-21 14:15:05,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=633, Invalid=1623, Unknown=0, NotChecked=0, Total=2256 [2022-07-21 14:15:05,045 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 234 mSDsluCounter, 34090 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 36763 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:15:05,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 36763 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:15:05,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2022-07-21 14:15:05,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 3614. [2022-07-21 14:15:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 2364 states have (on average 1.2296954314720812) internal successors, (2907), 2461 states have internal predecessors, (2907), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-21 14:15:05,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 5009 transitions. [2022-07-21 14:15:05,136 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 5009 transitions. Word has length 344 [2022-07-21 14:15:05,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:15:05,137 INFO L495 AbstractCegarLoop]: Abstraction has 3614 states and 5009 transitions. [2022-07-21 14:15:05,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.26923076923077) internal successors, (215), 26 states have internal predecessors, (215), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-21 14:15:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 5009 transitions. [2022-07-21 14:15:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-21 14:15:05,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:15:05,141 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:15:05,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-21 14:15:05,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:15:05,368 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:15:05,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:15:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash 189388780, now seen corresponding path program 2 times [2022-07-21 14:15:05,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:15:05,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552447983] [2022-07-21 14:15:05,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 14:15:05,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:15:05,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:15:05,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:15:05,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-21 14:15:07,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 14:15:07,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 14:15:07,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:15:07,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:15:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2022-07-21 14:15:07,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:15:07,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:15:07,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552447983] [2022-07-21 14:15:07,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552447983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:15:07,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:15:07,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:15:07,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722404978] [2022-07-21 14:15:07,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:15:07,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:15:07,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:15:07,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:15:07,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:15:07,430 INFO L87 Difference]: Start difference. First operand 3614 states and 5009 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-21 14:15:09,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:15:11,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:15:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:15:12,385 INFO L93 Difference]: Finished difference Result 7217 states and 10038 transitions. [2022-07-21 14:15:12,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:15:12,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 356 [2022-07-21 14:15:12,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:15:12,430 INFO L225 Difference]: With dead ends: 7217 [2022-07-21 14:15:12,431 INFO L226 Difference]: Without dead ends: 3622 [2022-07-21 14:15:12,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:15:12,443 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 2 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5305 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:15:12,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5305 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2022-07-21 14:15:12,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2022-07-21 14:15:12,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3618. [2022-07-21 14:15:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 2368 states have (on average 1.2293074324324325) internal successors, (2911), 2465 states have internal predecessors, (2911), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-21 14:15:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 5013 transitions. [2022-07-21 14:15:12,530 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 5013 transitions. Word has length 356 [2022-07-21 14:15:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:15:12,531 INFO L495 AbstractCegarLoop]: Abstraction has 3618 states and 5013 transitions. [2022-07-21 14:15:12,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-21 14:15:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5013 transitions. [2022-07-21 14:15:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-21 14:15:12,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:15:12,535 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:15:12,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-21 14:15:12,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:15:12,748 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:15:12,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:15:12,748 INFO L85 PathProgramCache]: Analyzing trace with hash -960474706, now seen corresponding path program 1 times [2022-07-21 14:15:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:15:12,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940641913] [2022-07-21 14:15:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:15:12,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:15:12,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:15:12,772 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:15:12,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-21 14:15:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:17,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 3758 conjuncts, 26 conjunts are in the unsatisfiable core [2022-07-21 14:15:17,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:15:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 180 proven. 253 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-21 14:15:20,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:15:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-21 14:15:29,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:15:29,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940641913] [2022-07-21 14:15:29,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940641913] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:15:29,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:15:29,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2022-07-21 14:15:29,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138563105] [2022-07-21 14:15:29,973 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:15:29,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-07-21 14:15:29,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:15:29,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-07-21 14:15:29,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=1823, Unknown=0, NotChecked=0, Total=2450 [2022-07-21 14:15:29,975 INFO L87 Difference]: Start difference. First operand 3618 states and 5013 transitions. Second operand has 50 states, 50 states have (on average 4.78) internal successors, (239), 50 states have internal predecessors, (239), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-21 14:16:17,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:16:17,056 INFO L93 Difference]: Finished difference Result 7241 states and 10057 transitions. [2022-07-21 14:16:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-07-21 14:16:17,057 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.78) internal successors, (239), 50 states have internal predecessors, (239), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 356 [2022-07-21 14:16:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:16:17,077 INFO L225 Difference]: With dead ends: 7241 [2022-07-21 14:16:17,077 INFO L226 Difference]: Without dead ends: 3642 [2022-07-21 14:16:17,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1058 ImplicationChecksByTransitivity, 53.8s TimeCoverageRelationStatistics Valid=2421, Invalid=6699, Unknown=0, NotChecked=0, Total=9120 [2022-07-21 14:16:17,095 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 234 mSDsluCounter, 76842 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 79515 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:16:17,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 79515 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 14:16:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2022-07-21 14:16:17,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 3642. [2022-07-21 14:16:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3642 states, 2392 states have (on average 1.2270066889632107) internal successors, (2935), 2489 states have internal predecessors, (2935), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-21 14:16:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3642 states and 5037 transitions. [2022-07-21 14:16:17,282 INFO L78 Accepts]: Start accepts. Automaton has 3642 states and 5037 transitions. Word has length 356 [2022-07-21 14:16:17,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:16:17,283 INFO L495 AbstractCegarLoop]: Abstraction has 3642 states and 5037 transitions. [2022-07-21 14:16:17,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.78) internal successors, (239), 50 states have internal predecessors, (239), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-21 14:16:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 5037 transitions. [2022-07-21 14:16:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-21 14:16:17,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:16:17,287 INFO L195 NwaCegarLoop]: trace histogram [46, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:16:17,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-21 14:16:17,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:16:17,500 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:16:17,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:16:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash -447441808, now seen corresponding path program 1 times [2022-07-21 14:16:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:16:17,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884211878] [2022-07-21 14:16:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:16:17,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:16:17,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:16:17,505 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:16:17,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-21 14:16:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:22,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 4034 conjuncts, 50 conjunts are in the unsatisfiable core [2022-07-21 14:16:22,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:16:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1605 backedges. 180 proven. 1081 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-21 14:16:33,070 INFO L328 TraceCheckSpWp]: Computing backward predicates...