./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.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 ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:13:16,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:13:16,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:13:16,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:13:16,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:13:16,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:13:16,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:13:16,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:13:16,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:13:16,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:13:16,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:13:16,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:13:16,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:13:16,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:13:16,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:13:16,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:13:16,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:13:16,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:13:16,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:13:16,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:13:16,819 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:13:16,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:13:16,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:13:16,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:13:16,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:13:16,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:13:16,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:13:16,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:13:16,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:13:16,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:13:16,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:13:16,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:13:16,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:13:16,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:13:16,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:13:16,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:13:16,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:13:16,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:13:16,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:13:16,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:13:16,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:13:16,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:13:16,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:13:16,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:13:16,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:13:16,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:13:16,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:13:16,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:13:16,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:13:16,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:13:16,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:13:16,877 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:13:16,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:13:16,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:13:16,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:13:16,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:13:16,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:13:16,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:13:16,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:13:16,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:13:16,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:13:16,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:13:16,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:13:16,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:13:16,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:13:16,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:13:16,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:13:16,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:13:16,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:13:16,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:13:16,881 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:13:16,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:13:16,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:13:16,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2022-07-20 03:13:17,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:13:17,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:13:17,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:13:17,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:13:17,117 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:13:17,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-20 03:13:17,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dab097e8/80f3cb63b295412685f08e1eb822393d/FLAG700b5a6a8 [2022-07-20 03:13:17,931 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:13:17,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-20 03:13:17,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dab097e8/80f3cb63b295412685f08e1eb822393d/FLAG700b5a6a8 [2022-07-20 03:13:18,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dab097e8/80f3cb63b295412685f08e1eb822393d [2022-07-20 03:13:18,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:13:18,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:13:18,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:13:18,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:13:18,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:13:18,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:13:18" (1/1) ... [2022-07-20 03:13:18,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6903cfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:18, skipping insertion in model container [2022-07-20 03:13:18,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:13:18" (1/1) ... [2022-07-20 03:13:18,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:13:18,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:13:21,552 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2022-07-20 03:13:21,554 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2022-07-20 03:13:21,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:13:21,618 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:13:21,847 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.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) [2022-07-20 03:13:21,857 INFO L158 Benchmark]: Toolchain (without parser) took 3417.07ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 58.5MB in the beginning and 86.0MB in the end (delta: -27.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-07-20 03:13:21,858 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:13:21,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3413.91ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 58.5MB in the beginning and 86.0MB in the end (delta: -27.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-07-20 03:13:21,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3413.91ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 58.5MB in the beginning and 86.0MB in the end (delta: -27.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.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 ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:13:23,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:13:23,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:13:23,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:13:23,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:13:23,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:13:23,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:13:23,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:13:23,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:13:23,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:13:23,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:13:23,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:13:23,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:13:23,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:13:23,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:13:23,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:13:23,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:13:23,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:13:23,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:13:23,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:13:23,611 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:13:23,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:13:23,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:13:23,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:13:23,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:13:23,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:13:23,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:13:23,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:13:23,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:13:23,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:13:23,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:13:23,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:13:23,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:13:23,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:13:23,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:13:23,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:13:23,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:13:23,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:13:23,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:13:23,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:13:23,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:13:23,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:13:23,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:13:23,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:13:23,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:13:23,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:13:23,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:13:23,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:13:23,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:13:23,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:13:23,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:13:23,670 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:13:23,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:13:23,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:13:23,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:13:23,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:13:23,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:13:23,672 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:13:23,672 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:13:23,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:13:23,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:13:23,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:13:23,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:13:23,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:13:23,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:13:23,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:13:23,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:13:23,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:13:23,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:13:23,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:13:23,674 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:13:23,674 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:13:23,675 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:13:23,675 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:13:23,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:13:23,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:13:23,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2022-07-20 03:13:24,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:13:24,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:13:24,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:13:24,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:13:24,030 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:13:24,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-20 03:13:24,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fae824c/cc7d3987d2464264bf84ddc66dd5cefa/FLAGf16d8e89c [2022-07-20 03:13:24,991 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:13:24,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-20 03:13:25,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fae824c/cc7d3987d2464264bf84ddc66dd5cefa/FLAGf16d8e89c [2022-07-20 03:13:25,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fae824c/cc7d3987d2464264bf84ddc66dd5cefa [2022-07-20 03:13:25,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:13:25,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:13:25,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:13:25,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:13:25,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:13:25,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:13:25" (1/1) ... [2022-07-20 03:13:25,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542fbb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:25, skipping insertion in model container [2022-07-20 03:13:25,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:13:25" (1/1) ... [2022-07-20 03:13:25,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:13:25,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:13:28,418 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2022-07-20 03:13:28,421 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2022-07-20 03:13:28,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:13:28,485 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:13:28,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:13:28,837 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2022-07-20 03:13:28,837 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2022-07-20 03:13:28,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:13:28,852 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:13:29,367 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2022-07-20 03:13:29,368 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2022-07-20 03:13:29,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:13:29,525 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:13:29,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29 WrapperNode [2022-07-20 03:13:29,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:13:29,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:13:29,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:13:29,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:13:29,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:29,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:29,766 INFO L137 Inliner]: procedures = 547, calls = 2779, calls flagged for inlining = 243, calls inlined = 223, statements flattened = 6584 [2022-07-20 03:13:29,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:13:29,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:13:29,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:13:29,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:13:29,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:29,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:29,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:29,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:29,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:30,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:30,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:30,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:13:30,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:13:30,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:13:30,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:13:30,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (1/1) ... [2022-07-20 03:13:30,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:13:30,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:13:30,107 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) [2022-07-20 03:13:30,120 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 [2022-07-20 03:13:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2022-07-20 03:13:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2022-07-20 03:13:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:13:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:13:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-20 03:13:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-20 03:13:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2022-07-20 03:13:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2022-07-20 03:13:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:13:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:13:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:13:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:13:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2022-07-20 03:13:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2022-07-20 03:13:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:13:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:13:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2022-07-20 03:13:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2022-07-20 03:13:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 03:13:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 03:13:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2022-07-20 03:13:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2022-07-20 03:13:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:13:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:13:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2022-07-20 03:13:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2022-07-20 03:13:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2022-07-20 03:13:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2022-07-20 03:13:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:13:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:13:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2022-07-20 03:13:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2022-07-20 03:13:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:13:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:13:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2022-07-20 03:13:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2022-07-20 03:13:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 03:13:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 03:13:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:13:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:13:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2022-07-20 03:13:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2022-07-20 03:13:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-20 03:13:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-20 03:13:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:13:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-20 03:13:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-20 03:13:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:13:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:13:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2022-07-20 03:13:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2022-07-20 03:13:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:13:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 03:13:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 03:13:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:13:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:13:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2022-07-20 03:13:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2022-07-20 03:13:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2022-07-20 03:13:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2022-07-20 03:13:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 03:13:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 03:13:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:13:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:13:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:13:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:13:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:13:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:13:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:13:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:13:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_84 [2022-07-20 03:13:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_84 [2022-07-20 03:13:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 03:13:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 03:13:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:13:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:13:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2022-07-20 03:13:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2022-07-20 03:13:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-20 03:13:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-20 03:13:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:13:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:13:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:13:30,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:13:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2022-07-20 03:13:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2022-07-20 03:13:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:13:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:13:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:13:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:13:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2022-07-20 03:13:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2022-07-20 03:13:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2022-07-20 03:13:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2022-07-20 03:13:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2022-07-20 03:13:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2022-07-20 03:13:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2022-07-20 03:13:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2022-07-20 03:13:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 03:13:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 03:13:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:13:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:13:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:13:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:13:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2022-07-20 03:13:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2022-07-20 03:13:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2022-07-20 03:13:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2022-07-20 03:13:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2022-07-20 03:13:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2022-07-20 03:13:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:13:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:13:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:13:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:13:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:13:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2022-07-20 03:13:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2022-07-20 03:13:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-20 03:13:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-20 03:13:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 03:13:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 03:13:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:13:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:13:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:13:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:13:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:13:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2022-07-20 03:13:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2022-07-20 03:13:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:13:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 03:13:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 03:13:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:13:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:13:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:13:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:13:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:13:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2022-07-20 03:13:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2022-07-20 03:13:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-20 03:13:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-20 03:13:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:13:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:13:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 03:13:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 03:13:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:13:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:13:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2022-07-20 03:13:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2022-07-20 03:13:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2022-07-20 03:13:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2022-07-20 03:13:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2022-07-20 03:13:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2022-07-20 03:13:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2022-07-20 03:13:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2022-07-20 03:13:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:13:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:13:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:13:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:13:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:13:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2022-07-20 03:13:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2022-07-20 03:13:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-20 03:13:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-20 03:13:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:13:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:13:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2022-07-20 03:13:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2022-07-20 03:13:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2022-07-20 03:13:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2022-07-20 03:13:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2022-07-20 03:13:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2022-07-20 03:13:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 03:13:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 03:13:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2022-07-20 03:13:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2022-07-20 03:13:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2022-07-20 03:13:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2022-07-20 03:13:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:13:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:13:30,195 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:13:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:13:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:13:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:13:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:13:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:13:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:13:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:13:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2022-07-20 03:13:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2022-07-20 03:13:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2022-07-20 03:13:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2022-07-20 03:13:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 03:13:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 03:13:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-20 03:13:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-20 03:13:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2022-07-20 03:13:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2022-07-20 03:13:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:13:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:13:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2022-07-20 03:13:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2022-07-20 03:13:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 03:13:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 03:13:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:13:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:13:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2022-07-20 03:13:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2022-07-20 03:13:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2022-07-20 03:13:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2022-07-20 03:13:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 03:13:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 03:13:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-20 03:13:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-20 03:13:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 03:13:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 03:13:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:13:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 03:13:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 03:13:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2022-07-20 03:13:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2022-07-20 03:13:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2022-07-20 03:13:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2022-07-20 03:13:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2022-07-20 03:13:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2022-07-20 03:13:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:13:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2022-07-20 03:13:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2022-07-20 03:13:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2022-07-20 03:13:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2022-07-20 03:13:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:13:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:13:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:13:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-20 03:13:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-20 03:13:30,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:13:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2022-07-20 03:13:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2022-07-20 03:13:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:13:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2022-07-20 03:13:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2022-07-20 03:13:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 03:13:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 03:13:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 03:13:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 03:13:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2022-07-20 03:13:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2022-07-20 03:13:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 03:13:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 03:13:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:13:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:13:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:13:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:13:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:13:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:13:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-20 03:13:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-20 03:13:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 03:13:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 03:13:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-20 03:13:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-20 03:13:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2022-07-20 03:13:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2022-07-20 03:13:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_83 [2022-07-20 03:13:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_83 [2022-07-20 03:13:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2022-07-20 03:13:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2022-07-20 03:13:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2022-07-20 03:13:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2022-07-20 03:13:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2022-07-20 03:13:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2022-07-20 03:13:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:13:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:13:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:13:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:13:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:13:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:13:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:13:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2022-07-20 03:13:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2022-07-20 03:13:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:13:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:13:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:13:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:13:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:13:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:13:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:13:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2022-07-20 03:13:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2022-07-20 03:13:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-20 03:13:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-20 03:13:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2022-07-20 03:13:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2022-07-20 03:13:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:13:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:13:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2022-07-20 03:13:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2022-07-20 03:13:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-07-20 03:13:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-07-20 03:13:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 03:13:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 03:13:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2022-07-20 03:13:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2022-07-20 03:13:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2022-07-20 03:13:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2022-07-20 03:13:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-20 03:13:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-20 03:13:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 03:13:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 03:13:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2022-07-20 03:13:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2022-07-20 03:13:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:13:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:13:30,218 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2022-07-20 03:13:30,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2022-07-20 03:13:31,172 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:13:31,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:13:31,390 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:14:03,474 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:14:03,946 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:14:03,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:14:03,965 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-20 03:14:03,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:14:03 BoogieIcfgContainer [2022-07-20 03:14:03,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:14:03,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:14:03,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:14:03,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:14:03,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:13:25" (1/3) ... [2022-07-20 03:14:03,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4653804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:14:03, skipping insertion in model container [2022-07-20 03:14:03,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:13:29" (2/3) ... [2022-07-20 03:14:03,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4653804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:14:03, skipping insertion in model container [2022-07-20 03:14:03,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:14:03" (3/3) ... [2022-07-20 03:14:03,976 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-20 03:14:03,988 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:14:03,988 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:14:04,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:14:04,126 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@25274fd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5414db08 [2022-07-20 03:14:04,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:14:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 2564 states, 1685 states have (on average 1.2783382789317508) internal successors, (2154), 1732 states have internal predecessors, (2154), 741 states have call successors, (741), 142 states have call predecessors, (741), 141 states have return successors, (732), 726 states have call predecessors, (732), 732 states have call successors, (732) [2022-07-20 03:14:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-20 03:14:04,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:04,170 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:04,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:04,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:04,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1573750035, now seen corresponding path program 1 times [2022-07-20 03:14:04,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:04,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288666587] [2022-07-20 03:14:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:04,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:04,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:04,194 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) [2022-07-20 03:14:04,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:14:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:05,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:05,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-20 03:14:06,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:06,205 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:06,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288666587] [2022-07-20 03:14:06,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288666587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:06,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:06,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:06,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131104913] [2022-07-20 03:14:06,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:06,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:06,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:06,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:06,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:06,241 INFO L87 Difference]: Start difference. First operand has 2564 states, 1685 states have (on average 1.2783382789317508) internal successors, (2154), 1732 states have internal predecessors, (2154), 741 states have call successors, (741), 142 states have call predecessors, (741), 141 states have return successors, (732), 726 states have call predecessors, (732), 732 states have call successors, (732) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 03:14:07,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:07,074 INFO L93 Difference]: Finished difference Result 7385 states and 10576 transitions. [2022-07-20 03:14:07,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:07,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 210 [2022-07-20 03:14:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:07,137 INFO L225 Difference]: With dead ends: 7385 [2022-07-20 03:14:07,138 INFO L226 Difference]: Without dead ends: 4782 [2022-07-20 03:14:07,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:07,164 INFO L413 NwaCegarLoop]: 4411 mSDtfsCounter, 3240 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 7934 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:07,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 7934 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:14:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2022-07-20 03:14:07,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4779. [2022-07-20 03:14:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4779 states, 3160 states have (on average 1.2699367088607596) internal successors, (4013), 3235 states have internal predecessors, (4013), 1345 states have call successors, (1345), 273 states have call predecessors, (1345), 273 states have return successors, (1345), 1332 states have call predecessors, (1345), 1345 states have call successors, (1345) [2022-07-20 03:14:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 4779 states and 6703 transitions. [2022-07-20 03:14:07,484 INFO L78 Accepts]: Start accepts. Automaton has 4779 states and 6703 transitions. Word has length 210 [2022-07-20 03:14:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:07,488 INFO L495 AbstractCegarLoop]: Abstraction has 4779 states and 6703 transitions. [2022-07-20 03:14:07,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 03:14:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 6703 transitions. [2022-07-20 03:14:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-20 03:14:07,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:07,503 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:07,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:07,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:07,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:07,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:07,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1308225810, now seen corresponding path program 1 times [2022-07-20 03:14:07,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:07,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231485665] [2022-07-20 03:14:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:07,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:07,729 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) [2022-07-20 03:14:07,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:14:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:09,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 03:14:09,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2022-07-20 03:14:10,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 03:14:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-07-20 03:14:10,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:10,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231485665] [2022-07-20 03:14:10,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231485665] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 03:14:10,502 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 03:14:10,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-20 03:14:10,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393338085] [2022-07-20 03:14:10,502 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 03:14:10,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 03:14:10,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 03:14:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:14:10,505 INFO L87 Difference]: Start difference. First operand 4779 states and 6703 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-20 03:14:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:15,342 INFO L93 Difference]: Finished difference Result 11571 states and 16496 transitions. [2022-07-20 03:14:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:14:15,343 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 276 [2022-07-20 03:14:15,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:15,393 INFO L225 Difference]: With dead ends: 11571 [2022-07-20 03:14:15,393 INFO L226 Difference]: Without dead ends: 6827 [2022-07-20 03:14:15,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-07-20 03:14:15,420 INFO L413 NwaCegarLoop]: 4715 mSDtfsCounter, 2481 mSDsluCounter, 30414 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 35129 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:15,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 35129 Invalid, 1581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [681 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 03:14:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6827 states. [2022-07-20 03:14:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6827 to 4782. [2022-07-20 03:14:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4782 states, 3163 states have (on average 1.2696806828959848) internal successors, (4016), 3238 states have internal predecessors, (4016), 1345 states have call successors, (1345), 273 states have call predecessors, (1345), 273 states have return successors, (1345), 1332 states have call predecessors, (1345), 1345 states have call successors, (1345) [2022-07-20 03:14:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 6706 transitions. [2022-07-20 03:14:15,673 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 6706 transitions. Word has length 276 [2022-07-20 03:14:15,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:15,675 INFO L495 AbstractCegarLoop]: Abstraction has 4782 states and 6706 transitions. [2022-07-20 03:14:15,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-20 03:14:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 6706 transitions. [2022-07-20 03:14:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-20 03:14:15,686 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:15,687 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:15,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-20 03:14:15,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:15,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:15,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:15,901 INFO L85 PathProgramCache]: Analyzing trace with hash 890829204, now seen corresponding path program 1 times [2022-07-20 03:14:15,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:15,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191969432] [2022-07-20 03:14:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:15,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:15,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:15,905 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) [2022-07-20 03:14:15,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:14:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:17,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:17,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-07-20 03:14:18,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:18,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:18,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191969432] [2022-07-20 03:14:18,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191969432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:18,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:18,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:18,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974970777] [2022-07-20 03:14:18,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:18,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:18,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:18,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:18,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:18,163 INFO L87 Difference]: Start difference. First operand 4782 states and 6706 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 03:14:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:18,771 INFO L93 Difference]: Finished difference Result 11809 states and 16565 transitions. [2022-07-20 03:14:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:18,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-07-20 03:14:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:18,825 INFO L225 Difference]: With dead ends: 11809 [2022-07-20 03:14:18,825 INFO L226 Difference]: Without dead ends: 7062 [2022-07-20 03:14:18,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:18,864 INFO L413 NwaCegarLoop]: 6681 mSDtfsCounter, 3148 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 10131 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:18,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 10131 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:14:18,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2022-07-20 03:14:19,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 7059. [2022-07-20 03:14:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 4666 states have (on average 1.2691813116159452) internal successors, (5922), 4776 states have internal predecessors, (5922), 1985 states have call successors, (1985), 407 states have call predecessors, (1985), 407 states have return successors, (1985), 1965 states have call predecessors, (1985), 1985 states have call successors, (1985) [2022-07-20 03:14:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 9892 transitions. [2022-07-20 03:14:19,191 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 9892 transitions. Word has length 276 [2022-07-20 03:14:19,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:19,192 INFO L495 AbstractCegarLoop]: Abstraction has 7059 states and 9892 transitions. [2022-07-20 03:14:19,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 03:14:19,195 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 9892 transitions. [2022-07-20 03:14:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-20 03:14:19,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:19,206 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:19,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:19,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:19,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:19,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:19,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2037188258, now seen corresponding path program 1 times [2022-07-20 03:14:19,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:19,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058671326] [2022-07-20 03:14:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:19,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:19,438 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) [2022-07-20 03:14:19,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:14:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:21,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:21,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2022-07-20 03:14:21,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:21,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:21,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058671326] [2022-07-20 03:14:21,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058671326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:21,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:21,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:21,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627354747] [2022-07-20 03:14:21,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:21,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:21,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:21,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:21,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:21,683 INFO L87 Difference]: Start difference. First operand 7059 states and 9892 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 03:14:22,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:22,482 INFO L93 Difference]: Finished difference Result 16744 states and 23446 transitions. [2022-07-20 03:14:22,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:22,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 288 [2022-07-20 03:14:22,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:22,561 INFO L225 Difference]: With dead ends: 16744 [2022-07-20 03:14:22,562 INFO L226 Difference]: Without dead ends: 9720 [2022-07-20 03:14:22,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:22,598 INFO L413 NwaCegarLoop]: 5950 mSDtfsCounter, 2945 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 9386 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:22,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 9386 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 03:14:22,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9720 states. [2022-07-20 03:14:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9720 to 9712. [2022-07-20 03:14:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9712 states, 6456 states have (on average 1.2671933085501859) internal successors, (8181), 6616 states have internal predecessors, (8181), 2687 states have call successors, (2687), 568 states have call predecessors, (2687), 568 states have return successors, (2687), 2653 states have call predecessors, (2687), 2687 states have call successors, (2687) [2022-07-20 03:14:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9712 states to 9712 states and 13555 transitions. [2022-07-20 03:14:22,973 INFO L78 Accepts]: Start accepts. Automaton has 9712 states and 13555 transitions. Word has length 288 [2022-07-20 03:14:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:22,974 INFO L495 AbstractCegarLoop]: Abstraction has 9712 states and 13555 transitions. [2022-07-20 03:14:22,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 03:14:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9712 states and 13555 transitions. [2022-07-20 03:14:22,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-20 03:14:22,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:22,988 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:23,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:23,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:23,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:23,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:23,209 INFO L85 PathProgramCache]: Analyzing trace with hash 370337443, now seen corresponding path program 1 times [2022-07-20 03:14:23,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:23,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107949861] [2022-07-20 03:14:23,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:23,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:23,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:23,213 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) [2022-07-20 03:14:23,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:14:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:25,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:25,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2022-07-20 03:14:25,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:25,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:25,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107949861] [2022-07-20 03:14:25,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107949861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:25,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:25,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:25,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136035235] [2022-07-20 03:14:25,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:25,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:25,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:25,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:25,206 INFO L87 Difference]: Start difference. First operand 9712 states and 13555 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 03:14:25,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:25,620 INFO L93 Difference]: Finished difference Result 19668 states and 27404 transitions. [2022-07-20 03:14:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:25,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 308 [2022-07-20 03:14:25,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:25,679 INFO L225 Difference]: With dead ends: 19668 [2022-07-20 03:14:25,679 INFO L226 Difference]: Without dead ends: 9991 [2022-07-20 03:14:25,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:25,721 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 324 mSDsluCounter, 3462 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 7021 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:25,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 7021 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 03:14:25,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9991 states. [2022-07-20 03:14:26,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9991 to 9991. [2022-07-20 03:14:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9991 states, 6659 states have (on average 1.2649046403363868) internal successors, (8423), 6821 states have internal predecessors, (8423), 2736 states have call successors, (2736), 595 states have call predecessors, (2736), 595 states have return successors, (2736), 2702 states have call predecessors, (2736), 2736 states have call successors, (2736) [2022-07-20 03:14:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9991 states to 9991 states and 13895 transitions. [2022-07-20 03:14:26,196 INFO L78 Accepts]: Start accepts. Automaton has 9991 states and 13895 transitions. Word has length 308 [2022-07-20 03:14:26,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:26,197 INFO L495 AbstractCegarLoop]: Abstraction has 9991 states and 13895 transitions. [2022-07-20 03:14:26,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 03:14:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 9991 states and 13895 transitions. [2022-07-20 03:14:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-20 03:14:26,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:26,216 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:26,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:26,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:26,432 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:26,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash -539694735, now seen corresponding path program 1 times [2022-07-20 03:14:26,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:26,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977200262] [2022-07-20 03:14:26,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:26,436 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) [2022-07-20 03:14:26,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:14:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:28,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:28,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2022-07-20 03:14:28,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:28,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:28,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977200262] [2022-07-20 03:14:28,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977200262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:28,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:28,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:14:28,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434861151] [2022-07-20 03:14:28,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:28,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:28,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:28,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:28,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:28,274 INFO L87 Difference]: Start difference. First operand 9991 states and 13895 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 03:14:28,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:28,997 INFO L93 Difference]: Finished difference Result 22281 states and 31017 transitions. [2022-07-20 03:14:28,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:28,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 352 [2022-07-20 03:14:28,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:29,061 INFO L225 Difference]: With dead ends: 22281 [2022-07-20 03:14:29,062 INFO L226 Difference]: Without dead ends: 12542 [2022-07-20 03:14:29,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:29,109 INFO L413 NwaCegarLoop]: 6688 mSDtfsCounter, 3165 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 10145 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:29,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3165 Valid, 10145 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:14:29,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2022-07-20 03:14:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 12538. [2022-07-20 03:14:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12538 states, 8355 states have (on average 1.2649910233393178) internal successors, (10569), 8557 states have internal predecessors, (10569), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2022-07-20 03:14:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17437 transitions. [2022-07-20 03:14:29,596 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17437 transitions. Word has length 352 [2022-07-20 03:14:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:29,597 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17437 transitions. [2022-07-20 03:14:29,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 03:14:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17437 transitions. [2022-07-20 03:14:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-20 03:14:29,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:29,618 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:29,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:29,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:29,840 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:29,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:29,840 INFO L85 PathProgramCache]: Analyzing trace with hash -291548241, now seen corresponding path program 1 times [2022-07-20 03:14:29,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:29,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917716054] [2022-07-20 03:14:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:29,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:29,848 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) [2022-07-20 03:14:29,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:14:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:31,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:31,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:14:33,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:33,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:33,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917716054] [2022-07-20 03:14:33,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917716054] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:33,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:33,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:14:33,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644595920] [2022-07-20 03:14:33,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:33,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:33,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:33,654 INFO L87 Difference]: Start difference. First operand 12538 states and 17437 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:33,916 INFO L93 Difference]: Finished difference Result 24824 states and 34649 transitions. [2022-07-20 03:14:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:33,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 352 [2022-07-20 03:14:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:33,980 INFO L225 Difference]: With dead ends: 24824 [2022-07-20 03:14:33,981 INFO L226 Difference]: Without dead ends: 12538 [2022-07-20 03:14:34,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:34,028 INFO L413 NwaCegarLoop]: 3513 mSDtfsCounter, 3351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:34,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 3513 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:14:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-20 03:14:34,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-20 03:14:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12538 states, 8355 states have (on average 1.264392579293836) internal successors, (10564), 8557 states have internal predecessors, (10564), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2022-07-20 03:14:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17432 transitions. [2022-07-20 03:14:34,578 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17432 transitions. Word has length 352 [2022-07-20 03:14:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:34,580 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17432 transitions. [2022-07-20 03:14:34,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17432 transitions. [2022-07-20 03:14:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-20 03:14:34,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:34,598 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:34,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:34,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:34,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:34,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:34,812 INFO L85 PathProgramCache]: Analyzing trace with hash 423858537, now seen corresponding path program 1 times [2022-07-20 03:14:34,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:34,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204068827] [2022-07-20 03:14:34,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:34,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:34,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:34,816 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) [2022-07-20 03:14:34,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 03:14:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:36,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:36,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:14:38,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:38,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:38,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204068827] [2022-07-20 03:14:38,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204068827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:38,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:38,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:14:38,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276747206] [2022-07-20 03:14:38,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:38,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:38,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:38,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:38,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:38,759 INFO L87 Difference]: Start difference. First operand 12538 states and 17432 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:38,993 INFO L93 Difference]: Finished difference Result 24824 states and 34639 transitions. [2022-07-20 03:14:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:38,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 353 [2022-07-20 03:14:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:39,054 INFO L225 Difference]: With dead ends: 24824 [2022-07-20 03:14:39,054 INFO L226 Difference]: Without dead ends: 12538 [2022-07-20 03:14:39,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:39,189 INFO L413 NwaCegarLoop]: 3512 mSDtfsCounter, 3349 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3349 SdHoareTripleChecker+Valid, 3512 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:39,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3349 Valid, 3512 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:14:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-20 03:14:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-20 03:14:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12538 states, 8355 states have (on average 1.2637941352483544) internal successors, (10559), 8557 states have internal predecessors, (10559), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2022-07-20 03:14:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17427 transitions. [2022-07-20 03:14:39,609 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17427 transitions. Word has length 353 [2022-07-20 03:14:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:39,609 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17427 transitions. [2022-07-20 03:14:39,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17427 transitions. [2022-07-20 03:14:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-20 03:14:39,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:39,629 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:39,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:39,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:39,848 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:39,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1241148779, now seen corresponding path program 1 times [2022-07-20 03:14:39,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:39,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21769012] [2022-07-20 03:14:39,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:39,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:39,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:39,852 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) [2022-07-20 03:14:39,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 03:14:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:41,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:41,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:14:43,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:43,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:43,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21769012] [2022-07-20 03:14:43,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21769012] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:43,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:43,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:14:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821857500] [2022-07-20 03:14:43,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:43,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:43,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:43,702 INFO L87 Difference]: Start difference. First operand 12538 states and 17427 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:44,002 INFO L93 Difference]: Finished difference Result 24824 states and 34629 transitions. [2022-07-20 03:14:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:44,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 354 [2022-07-20 03:14:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:44,057 INFO L225 Difference]: With dead ends: 24824 [2022-07-20 03:14:44,057 INFO L226 Difference]: Without dead ends: 12538 [2022-07-20 03:14:44,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:44,105 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 3347 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:44,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 3511 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:14:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-20 03:14:44,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-20 03:14:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12538 states, 8355 states have (on average 1.2631956912028726) internal successors, (10554), 8557 states have internal predecessors, (10554), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2022-07-20 03:14:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17422 transitions. [2022-07-20 03:14:44,649 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17422 transitions. Word has length 354 [2022-07-20 03:14:44,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:44,650 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17422 transitions. [2022-07-20 03:14:44,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17422 transitions. [2022-07-20 03:14:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-07-20 03:14:44,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:44,667 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:44,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:44,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:44,896 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:44,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash 921859109, now seen corresponding path program 1 times [2022-07-20 03:14:44,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:44,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954284310] [2022-07-20 03:14:44,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:44,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:44,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:44,903 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) [2022-07-20 03:14:44,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 03:14:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:46,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:46,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:14:49,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:49,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:49,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954284310] [2022-07-20 03:14:49,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954284310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:49,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:49,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:14:49,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063282961] [2022-07-20 03:14:49,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:49,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:49,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:49,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:49,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:49,077 INFO L87 Difference]: Start difference. First operand 12538 states and 17422 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:49,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:49,400 INFO L93 Difference]: Finished difference Result 25379 states and 35239 transitions. [2022-07-20 03:14:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:49,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 355 [2022-07-20 03:14:49,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:49,465 INFO L225 Difference]: With dead ends: 25379 [2022-07-20 03:14:49,465 INFO L226 Difference]: Without dead ends: 13093 [2022-07-20 03:14:49,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:49,518 INFO L413 NwaCegarLoop]: 3557 mSDtfsCounter, 3186 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:49,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 3838 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:14:49,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13093 states. [2022-07-20 03:14:50,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13093 to 13093. [2022-07-20 03:14:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13093 states, 8705 states have (on average 1.256634118322803) internal successors, (10939), 8922 states have internal predecessors, (10939), 3549 states have call successors, (3549), 838 states have call predecessors, (3549), 838 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:14:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 18037 transitions. [2022-07-20 03:14:50,153 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 18037 transitions. Word has length 355 [2022-07-20 03:14:50,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:50,154 INFO L495 AbstractCegarLoop]: Abstraction has 13093 states and 18037 transitions. [2022-07-20 03:14:50,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 18037 transitions. [2022-07-20 03:14:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-20 03:14:50,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:50,171 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:50,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:50,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:50,392 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash -271669465, now seen corresponding path program 1 times [2022-07-20 03:14:50,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:50,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687867519] [2022-07-20 03:14:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:50,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:50,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:50,396 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) [2022-07-20 03:14:50,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 03:14:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:52,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:52,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:14:54,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:54,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:54,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687867519] [2022-07-20 03:14:54,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687867519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:54,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:54,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:14:54,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435560636] [2022-07-20 03:14:54,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:54,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:54,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:54,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:54,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:54,599 INFO L87 Difference]: Start difference. First operand 13093 states and 18037 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:14:54,951 INFO L93 Difference]: Finished difference Result 26109 states and 35984 transitions. [2022-07-20 03:14:54,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:14:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 356 [2022-07-20 03:14:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:14:55,012 INFO L225 Difference]: With dead ends: 26109 [2022-07-20 03:14:55,012 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 03:14:55,061 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 [2022-07-20 03:14:55,062 INFO L413 NwaCegarLoop]: 3512 mSDtfsCounter, 3278 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 3602 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:14:55,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3278 Valid, 3602 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:14:55,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 03:14:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-20 03:14:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13268 states, 8835 states have (on average 1.2528579513299378) internal successors, (11069), 9052 states have internal predecessors, (11069), 3549 states have call successors, (3549), 883 states have call predecessors, (3549), 883 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:14:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18167 transitions. [2022-07-20 03:14:55,684 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18167 transitions. Word has length 356 [2022-07-20 03:14:55,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:14:55,685 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18167 transitions. [2022-07-20 03:14:55,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:14:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18167 transitions. [2022-07-20 03:14:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-20 03:14:55,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:14:55,705 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:14:55,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 03:14:55,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:14:55,928 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:14:55,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:14:55,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1498167009, now seen corresponding path program 1 times [2022-07-20 03:14:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:14:55,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503107776] [2022-07-20 03:14:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:14:55,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:14:55,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:14:55,933 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) [2022-07-20 03:14:55,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 03:14:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:14:57,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:14:57,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:14:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:14:59,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:14:59,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:14:59,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503107776] [2022-07-20 03:14:59,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503107776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:14:59,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:14:59,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:14:59,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220132117] [2022-07-20 03:14:59,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:14:59,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:14:59,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:14:59,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:14:59,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:14:59,940 INFO L87 Difference]: Start difference. First operand 13268 states and 18167 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:00,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:00,265 INFO L93 Difference]: Finished difference Result 26284 states and 36109 transitions. [2022-07-20 03:15:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:00,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 357 [2022-07-20 03:15:00,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:00,313 INFO L225 Difference]: With dead ends: 26284 [2022-07-20 03:15:00,313 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 03:15:00,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:00,347 INFO L413 NwaCegarLoop]: 3508 mSDtfsCounter, 3341 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:00,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 3508 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 03:15:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-20 03:15:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13268 states, 8835 states have (on average 1.2522920203735144) internal successors, (11064), 9052 states have internal predecessors, (11064), 3549 states have call successors, (3549), 883 states have call predecessors, (3549), 883 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18162 transitions. [2022-07-20 03:15:00,911 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18162 transitions. Word has length 357 [2022-07-20 03:15:00,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:00,912 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18162 transitions. [2022-07-20 03:15:00,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18162 transitions. [2022-07-20 03:15:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-20 03:15:00,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:00,927 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:00,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:01,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:01,131 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash 643039459, now seen corresponding path program 1 times [2022-07-20 03:15:01,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:01,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684258760] [2022-07-20 03:15:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:01,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:01,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:01,135 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) [2022-07-20 03:15:01,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-20 03:15:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:02,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:02,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:05,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:05,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:05,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684258760] [2022-07-20 03:15:05,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684258760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:05,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:05,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:05,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438612798] [2022-07-20 03:15:05,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:05,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:05,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:05,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:05,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:05,210 INFO L87 Difference]: Start difference. First operand 13268 states and 18162 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:05,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:05,584 INFO L93 Difference]: Finished difference Result 26284 states and 36099 transitions. [2022-07-20 03:15:05,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:05,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 358 [2022-07-20 03:15:05,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:05,628 INFO L225 Difference]: With dead ends: 26284 [2022-07-20 03:15:05,629 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 03:15:05,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:05,664 INFO L413 NwaCegarLoop]: 3507 mSDtfsCounter, 3339 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 3507 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:05,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 3507 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:05,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 03:15:06,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-20 03:15:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13268 states, 8835 states have (on average 1.2517260894170912) internal successors, (11059), 9052 states have internal predecessors, (11059), 3549 states have call successors, (3549), 883 states have call predecessors, (3549), 883 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18157 transitions. [2022-07-20 03:15:06,260 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18157 transitions. Word has length 358 [2022-07-20 03:15:06,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:06,261 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18157 transitions. [2022-07-20 03:15:06,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18157 transitions. [2022-07-20 03:15:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-20 03:15:06,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:06,273 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:06,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:06,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:06,474 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:06,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:06,474 INFO L85 PathProgramCache]: Analyzing trace with hash 18405789, now seen corresponding path program 1 times [2022-07-20 03:15:06,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:06,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792654424] [2022-07-20 03:15:06,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:06,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:06,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:06,478 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) [2022-07-20 03:15:06,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-20 03:15:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:08,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:08,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:10,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:10,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:10,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792654424] [2022-07-20 03:15:10,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792654424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:10,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:10,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:10,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091305584] [2022-07-20 03:15:10,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:10,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:10,638 INFO L87 Difference]: Start difference. First operand 13268 states and 18157 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:11,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:11,039 INFO L93 Difference]: Finished difference Result 26284 states and 36089 transitions. [2022-07-20 03:15:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:11,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 359 [2022-07-20 03:15:11,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:11,089 INFO L225 Difference]: With dead ends: 26284 [2022-07-20 03:15:11,089 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 03:15:11,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:11,130 INFO L413 NwaCegarLoop]: 3506 mSDtfsCounter, 3337 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 3506 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:11,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 3506 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:11,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 03:15:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-20 03:15:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13268 states, 8835 states have (on average 1.2511601584606677) internal successors, (11054), 9052 states have internal predecessors, (11054), 3549 states have call successors, (3549), 883 states have call predecessors, (3549), 883 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18152 transitions. [2022-07-20 03:15:11,744 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18152 transitions. Word has length 359 [2022-07-20 03:15:11,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:11,744 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18152 transitions. [2022-07-20 03:15:11,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18152 transitions. [2022-07-20 03:15:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-20 03:15:11,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:11,755 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:11,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:11,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:11,956 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:11,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash -2050852193, now seen corresponding path program 1 times [2022-07-20 03:15:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:11,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498960855] [2022-07-20 03:15:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:11,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:11,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:11,961 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) [2022-07-20 03:15:11,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-20 03:15:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:13,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:13,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:15,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:15,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:15,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498960855] [2022-07-20 03:15:15,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498960855] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:15,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:15,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:15,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180303902] [2022-07-20 03:15:15,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:15,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:15,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:15,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:15,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:15,873 INFO L87 Difference]: Start difference. First operand 13268 states and 18152 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:16,308 INFO L93 Difference]: Finished difference Result 26284 states and 36079 transitions. [2022-07-20 03:15:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:16,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 360 [2022-07-20 03:15:16,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:16,359 INFO L225 Difference]: With dead ends: 26284 [2022-07-20 03:15:16,360 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 03:15:16,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:16,399 INFO L413 NwaCegarLoop]: 3505 mSDtfsCounter, 3335 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3335 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:16,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3335 Valid, 3505 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 03:15:16,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-20 03:15:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13268 states, 8835 states have (on average 1.2505942275042445) internal successors, (11049), 9052 states have internal predecessors, (11049), 3549 states have call successors, (3549), 883 states have call predecessors, (3549), 883 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18147 transitions. [2022-07-20 03:15:16,957 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18147 transitions. Word has length 360 [2022-07-20 03:15:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:16,958 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18147 transitions. [2022-07-20 03:15:16,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18147 transitions. [2022-07-20 03:15:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-20 03:15:16,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:16,972 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:17,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:17,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:17,187 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:17,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:17,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1658823591, now seen corresponding path program 1 times [2022-07-20 03:15:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:17,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225176055] [2022-07-20 03:15:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:17,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:17,191 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) [2022-07-20 03:15:17,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-20 03:15:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:18,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:18,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:21,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:21,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:21,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225176055] [2022-07-20 03:15:21,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225176055] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:21,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:21,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:21,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147416221] [2022-07-20 03:15:21,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:21,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:21,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:21,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:21,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:21,163 INFO L87 Difference]: Start difference. First operand 13268 states and 18147 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:21,596 INFO L93 Difference]: Finished difference Result 26284 states and 36069 transitions. [2022-07-20 03:15:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 361 [2022-07-20 03:15:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:21,651 INFO L225 Difference]: With dead ends: 26284 [2022-07-20 03:15:21,651 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 03:15:21,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:21,689 INFO L413 NwaCegarLoop]: 3504 mSDtfsCounter, 3333 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:21,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 3504 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 03:15:22,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-20 03:15:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13268 states, 8835 states have (on average 1.250028296547821) internal successors, (11044), 9052 states have internal predecessors, (11044), 3549 states have call successors, (3549), 883 states have call predecessors, (3549), 883 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18142 transitions. [2022-07-20 03:15:22,167 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18142 transitions. Word has length 361 [2022-07-20 03:15:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:22,168 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18142 transitions. [2022-07-20 03:15:22,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18142 transitions. [2022-07-20 03:15:22,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-20 03:15:22,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:22,178 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:22,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:22,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:22,387 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:22,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2018645083, now seen corresponding path program 1 times [2022-07-20 03:15:22,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:22,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737750438] [2022-07-20 03:15:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:22,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:22,391 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) [2022-07-20 03:15:22,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-20 03:15:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:24,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:24,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:26,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:26,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:26,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737750438] [2022-07-20 03:15:26,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737750438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:26,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:26,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:26,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030534198] [2022-07-20 03:15:26,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:26,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:26,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:26,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:26,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:26,348 INFO L87 Difference]: Start difference. First operand 13268 states and 18142 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:26,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:26,813 INFO L93 Difference]: Finished difference Result 26354 states and 36109 transitions. [2022-07-20 03:15:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:26,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 362 [2022-07-20 03:15:26,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:26,860 INFO L225 Difference]: With dead ends: 26354 [2022-07-20 03:15:26,860 INFO L226 Difference]: Without dead ends: 13338 [2022-07-20 03:15:26,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:26,900 INFO L413 NwaCegarLoop]: 3507 mSDtfsCounter, 3295 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3295 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:26,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3295 Valid, 3558 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:26,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-20 03:15:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-20 03:15:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13338 states, 8885 states have (on average 1.2480585256049521) internal successors, (11089), 9102 states have internal predecessors, (11089), 3549 states have call successors, (3549), 903 states have call predecessors, (3549), 903 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18187 transitions. [2022-07-20 03:15:27,501 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18187 transitions. Word has length 362 [2022-07-20 03:15:27,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:27,502 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18187 transitions. [2022-07-20 03:15:27,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18187 transitions. [2022-07-20 03:15:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-20 03:15:27,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:27,513 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:27,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-07-20 03:15:27,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:27,727 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:27,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash 170573589, now seen corresponding path program 1 times [2022-07-20 03:15:27,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:27,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924471786] [2022-07-20 03:15:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:27,731 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:15:27,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-20 03:15:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:29,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:29,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:31,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:31,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:31,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924471786] [2022-07-20 03:15:31,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924471786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:31,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:31,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:31,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67863478] [2022-07-20 03:15:31,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:31,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:31,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:31,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:31,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:31,722 INFO L87 Difference]: Start difference. First operand 13338 states and 18187 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:32,211 INFO L93 Difference]: Finished difference Result 26424 states and 36149 transitions. [2022-07-20 03:15:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:32,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 363 [2022-07-20 03:15:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:32,260 INFO L225 Difference]: With dead ends: 26424 [2022-07-20 03:15:32,260 INFO L226 Difference]: Without dead ends: 13338 [2022-07-20 03:15:32,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:32,296 INFO L413 NwaCegarLoop]: 3502 mSDtfsCounter, 3329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 3502 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:32,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 3502 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-20 03:15:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-20 03:15:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13338 states, 8885 states have (on average 1.247495779403489) internal successors, (11084), 9102 states have internal predecessors, (11084), 3549 states have call successors, (3549), 903 states have call predecessors, (3549), 903 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18182 transitions. [2022-07-20 03:15:32,836 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18182 transitions. Word has length 363 [2022-07-20 03:15:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18182 transitions. [2022-07-20 03:15:32,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18182 transitions. [2022-07-20 03:15:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-20 03:15:32,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:32,847 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:32,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:33,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:33,048 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:33,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:33,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1170551273, now seen corresponding path program 1 times [2022-07-20 03:15:33,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:33,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984295157] [2022-07-20 03:15:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:33,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:33,051 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:15:33,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-20 03:15:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:34,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:34,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:37,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:37,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:37,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984295157] [2022-07-20 03:15:37,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984295157] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:37,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:37,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:37,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278748769] [2022-07-20 03:15:37,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:37,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:37,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:37,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:37,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:37,174 INFO L87 Difference]: Start difference. First operand 13338 states and 18182 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:37,701 INFO L93 Difference]: Finished difference Result 26424 states and 36139 transitions. [2022-07-20 03:15:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:37,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 364 [2022-07-20 03:15:37,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:37,739 INFO L225 Difference]: With dead ends: 26424 [2022-07-20 03:15:37,739 INFO L226 Difference]: Without dead ends: 13338 [2022-07-20 03:15:37,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:37,764 INFO L413 NwaCegarLoop]: 3501 mSDtfsCounter, 3327 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 3501 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:37,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3327 Valid, 3501 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:37,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-20 03:15:38,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-20 03:15:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13338 states, 8885 states have (on average 1.2469330332020259) internal successors, (11079), 9102 states have internal predecessors, (11079), 3549 states have call successors, (3549), 903 states have call predecessors, (3549), 903 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18177 transitions. [2022-07-20 03:15:38,206 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18177 transitions. Word has length 364 [2022-07-20 03:15:38,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:38,207 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18177 transitions. [2022-07-20 03:15:38,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18177 transitions. [2022-07-20 03:15:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-20 03:15:38,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:38,221 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:38,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-07-20 03:15:38,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:38,440 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:38,440 INFO L85 PathProgramCache]: Analyzing trace with hash 318767569, now seen corresponding path program 1 times [2022-07-20 03:15:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:38,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078625797] [2022-07-20 03:15:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:38,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:38,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:38,443 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:15:38,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-20 03:15:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:40,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:15:40,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:42,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:42,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:42,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078625797] [2022-07-20 03:15:42,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078625797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:42,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:42,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 03:15:42,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046977024] [2022-07-20 03:15:42,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:42,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:15:42,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:42,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:15:42,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:42,686 INFO L87 Difference]: Start difference. First operand 13338 states and 18177 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:43,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:43,287 INFO L93 Difference]: Finished difference Result 26424 states and 36129 transitions. [2022-07-20 03:15:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:15:43,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 365 [2022-07-20 03:15:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:43,342 INFO L225 Difference]: With dead ends: 26424 [2022-07-20 03:15:43,342 INFO L226 Difference]: Without dead ends: 13338 [2022-07-20 03:15:43,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:15:43,384 INFO L413 NwaCegarLoop]: 3500 mSDtfsCounter, 3325 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:43,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 3500 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:43,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-20 03:15:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-20 03:15:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13338 states, 8885 states have (on average 1.2463702870005628) internal successors, (11074), 9102 states have internal predecessors, (11074), 3549 states have call successors, (3549), 903 states have call predecessors, (3549), 903 states have return successors, (3549), 3505 states have call predecessors, (3549), 3549 states have call successors, (3549) [2022-07-20 03:15:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18172 transitions. [2022-07-20 03:15:43,953 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18172 transitions. Word has length 365 [2022-07-20 03:15:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:43,953 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18172 transitions. [2022-07-20 03:15:43,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18172 transitions. [2022-07-20 03:15:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-20 03:15:43,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:15:43,964 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:15:44,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-07-20 03:15:44,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:44,166 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:15:44,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:15:44,166 INFO L85 PathProgramCache]: Analyzing trace with hash 347396720, now seen corresponding path program 1 times [2022-07-20 03:15:44,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:15:44,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922556421] [2022-07-20 03:15:44,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:15:44,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:15:44,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:15:44,169 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:15:44,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-20 03:15:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:15:45,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 03:15:45,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:15:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-20 03:15:45,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:15:45,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:15:45,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922556421] [2022-07-20 03:15:45,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922556421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:15:45,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:15:45,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:15:45,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226415882] [2022-07-20 03:15:45,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:15:45,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:15:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:15:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:15:45,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:15:45,956 INFO L87 Difference]: Start difference. First operand 13338 states and 18172 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:46,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:15:46,460 INFO L93 Difference]: Finished difference Result 13348 states and 18192 transitions. [2022-07-20 03:15:46,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:15:46,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 365 [2022-07-20 03:15:46,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:15:46,463 INFO L225 Difference]: With dead ends: 13348 [2022-07-20 03:15:46,463 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 03:15:46,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:15:46,501 INFO L413 NwaCegarLoop]: 3501 mSDtfsCounter, 3 mSDsluCounter, 10497 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13998 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:15:46,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13998 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 03:15:46,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 03:15:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 03:15:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 03:15:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 03:15:46,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2022-07-20 03:15:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:15:46,505 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 03:15:46,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 03:15:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 03:15:46,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 03:15:46,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 03:15:46,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-20 03:15:46,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:15:46,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.