./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-23 03:28:23,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:28:23,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:28:23,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:28:23,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:28:23,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:28:23,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:28:23,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:28:23,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:28:23,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:28:23,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:28:23,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:28:23,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:28:23,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:28:23,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:28:23,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:28:23,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:28:23,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:28:23,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:28:23,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:28:23,401 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:28:23,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:28:23,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:28:23,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:28:23,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:28:23,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:28:23,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:28:23,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:28:23,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:28:23,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:28:23,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:28:23,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:28:23,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:28:23,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:28:23,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:28:23,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:28:23,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:28:23,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:28:23,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:28:23,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:28:23,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:28:23,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:28:23,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:28:23,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:28:23,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:28:23,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:28:23,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:28:23,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:28:23,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:28:23,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:28:23,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:28:23,469 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:28:23,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:28:23,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:28:23,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:28:23,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:28:23,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:28:23,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:28:23,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:28:23,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:28:23,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:28:23,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:28:23,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:28:23,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:28:23,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:28:23,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:28:23,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:28:23,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:28:23,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:28:23,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:28:23,474 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:28:23,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:28:23,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:28:23,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2022-07-23 03:28:23,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:28:23,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:28:23,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:28:23,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:28:23,756 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:28:23,758 INFO L432 ainManager$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 [2022-07-23 03:28:23,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9fddbdfe/bb76b3f3bba6420db7a736d23743929e/FLAG4384eadd5 [2022-07-23 03:28:24,717 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:28:24,718 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 [2022-07-23 03:28:24,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9fddbdfe/bb76b3f3bba6420db7a736d23743929e/FLAG4384eadd5 [2022-07-23 03:28:25,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9fddbdfe/bb76b3f3bba6420db7a736d23743929e [2022-07-23 03:28:25,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:28:25,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:28:25,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:28:25,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:28:25,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:28:25,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:28:25" (1/1) ... [2022-07-23 03:28:25,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cce4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:25, skipping insertion in model container [2022-07-23 03:28:25,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:28:25" (1/1) ... [2022-07-23 03:28:25,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:28:25,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:28:30,051 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] [2022-07-23 03:28:30,055 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] [2022-07-23 03:28:30,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:28:30,094 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:28:30,356 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) [2022-07-23 03:28:30,368 INFO L158 Benchmark]: Toolchain (without parser) took 5202.50ms. Allocated memory was 86.0MB in the beginning and 153.1MB in the end (delta: 67.1MB). Free memory was 52.4MB in the beginning and 58.9MB in the end (delta: -6.4MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2022-07-23 03:28:30,370 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:28:30,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5200.56ms. Allocated memory was 86.0MB in the beginning and 153.1MB in the end (delta: 67.1MB). Free memory was 52.2MB in the beginning and 58.9MB in the end (delta: -6.7MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2022-07-23 03:28:30,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5200.56ms. Allocated memory was 86.0MB in the beginning and 153.1MB in the end (delta: 67.1MB). Free memory was 52.2MB in the beginning and 58.9MB in the end (delta: -6.7MB). Peak memory consumption was 82.8MB. 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-?-791161d [2022-07-23 03:28:32,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:28:32,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:28:32,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:28:32,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:28:32,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:28:32,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:28:32,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:28:32,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:28:32,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:28:32,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:28:32,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:28:32,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:28:32,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:28:32,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:28:32,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:28:32,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:28:32,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:28:32,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:28:32,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:28:32,504 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:28:32,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:28:32,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:28:32,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:28:32,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:28:32,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:28:32,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:28:32,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:28:32,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:28:32,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:28:32,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:28:32,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:28:32,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:28:32,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:28:32,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:28:32,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:28:32,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:28:32,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:28:32,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:28:32,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:28:32,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:28:32,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:28:32,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:28:32,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:28:32,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:28:32,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:28:32,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:28:32,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:28:32,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:28:32,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:28:32,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:28:32,573 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:28:32,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:28:32,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:28:32,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:28:32,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:28:32,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:28:32,581 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:28:32,581 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:28:32,581 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:28:32,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:28:32,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:28:32,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:28:32,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:28:32,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:28:32,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:28:32,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:28:32,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:28:32,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:28:32,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:28:32,584 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:28:32,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:28:32,584 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:28:32,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:28:32,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:28:32,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:28:32,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2022-07-23 03:28:32,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:28:32,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:28:32,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:28:32,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:28:32,997 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:28:32,998 INFO L432 ainManager$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 [2022-07-23 03:28:33,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd262eb44/d11df4add26847a38885eff3e3017de2/FLAGc21551258 [2022-07-23 03:28:33,893 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:28:33,894 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 [2022-07-23 03:28:33,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd262eb44/d11df4add26847a38885eff3e3017de2/FLAGc21551258 [2022-07-23 03:28:34,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd262eb44/d11df4add26847a38885eff3e3017de2 [2022-07-23 03:28:34,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:28:34,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:28:34,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:28:34,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:28:34,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:28:34,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:28:34" (1/1) ... [2022-07-23 03:28:34,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b3f6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:34, skipping insertion in model container [2022-07-23 03:28:34,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:28:34" (1/1) ... [2022-07-23 03:28:34,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:28:34,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:28:39,111 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] [2022-07-23 03:28:39,115 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] [2022-07-23 03:28:39,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:28:39,166 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:28:39,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:28:39,528 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] [2022-07-23 03:28:39,529 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] [2022-07-23 03:28:39,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:28:39,558 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:28:40,152 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] [2022-07-23 03:28:40,153 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] [2022-07-23 03:28:40,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:28:40,325 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:28:40,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40 WrapperNode [2022-07-23 03:28:40,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:28:40,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:28:40,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:28:40,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:28:40,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,606 INFO L137 Inliner]: procedures = 547, calls = 2779, calls flagged for inlining = 243, calls inlined = 223, statements flattened = 6584 [2022-07-23 03:28:40,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:28:40,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:28:40,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:28:40,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:28:40,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:28:40,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:28:40,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:28:40,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:28:40,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (1/1) ... [2022-07-23 03:28:40,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:28:40,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:28:40,985 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) [2022-07-23 03:28:41,005 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 [2022-07-23 03:28:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2022-07-23 03:28:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2022-07-23 03:28:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:28:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:28:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-23 03:28:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-23 03:28:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2022-07-23 03:28:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2022-07-23 03:28:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:28:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:28:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:28:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:28:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2022-07-23 03:28:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2022-07-23 03:28:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:28:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:28:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2022-07-23 03:28:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2022-07-23 03:28:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 03:28:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 03:28:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2022-07-23 03:28:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2022-07-23 03:28:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:28:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:28:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2022-07-23 03:28:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2022-07-23 03:28:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2022-07-23 03:28:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2022-07-23 03:28:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:28:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:28:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2022-07-23 03:28:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2022-07-23 03:28:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:28:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:28:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2022-07-23 03:28:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2022-07-23 03:28:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 03:28:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 03:28:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:28:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:28:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2022-07-23 03:28:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2022-07-23 03:28:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-23 03:28:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-23 03:28:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:28:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-23 03:28:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-23 03:28:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:28:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2022-07-23 03:28:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2022-07-23 03:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 03:28:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 03:28:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:28:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:28:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2022-07-23 03:28:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2022-07-23 03:28:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2022-07-23 03:28:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2022-07-23 03:28:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 03:28:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 03:28:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:28:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:28:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:28:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:28:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:28:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:28:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:28:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:28:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_84 [2022-07-23 03:28:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_84 [2022-07-23 03:28:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 03:28:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 03:28:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:28:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:28:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2022-07-23 03:28:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2022-07-23 03:28:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-23 03:28:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-23 03:28:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:28:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:28:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:28:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:28:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2022-07-23 03:28:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2022-07-23 03:28:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:28:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:28:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:28:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:28:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2022-07-23 03:28:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2022-07-23 03:28:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2022-07-23 03:28:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2022-07-23 03:28:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2022-07-23 03:28:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2022-07-23 03:28:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2022-07-23 03:28:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2022-07-23 03:28:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 03:28:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 03:28:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:28:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:28:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:28:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:28:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2022-07-23 03:28:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2022-07-23 03:28:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2022-07-23 03:28:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2022-07-23 03:28:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2022-07-23 03:28:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2022-07-23 03:28:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:28:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:28:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:28:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:28:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:28:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2022-07-23 03:28:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2022-07-23 03:28:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-23 03:28:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-23 03:28:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:28:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:28:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:28:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:28:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:28:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:28:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:28:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2022-07-23 03:28:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2022-07-23 03:28:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:28:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 03:28:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 03:28:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:28:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:28:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:28:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:28:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:28:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2022-07-23 03:28:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2022-07-23 03:28:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-23 03:28:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-23 03:28:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:28:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:28:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 03:28:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 03:28:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:28:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:28:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2022-07-23 03:28:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2022-07-23 03:28:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2022-07-23 03:28:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2022-07-23 03:28:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2022-07-23 03:28:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2022-07-23 03:28:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2022-07-23 03:28:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2022-07-23 03:28:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:28:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:28:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:28:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:28:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:28:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2022-07-23 03:28:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2022-07-23 03:28:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-23 03:28:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-23 03:28:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:28:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:28:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2022-07-23 03:28:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2022-07-23 03:28:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2022-07-23 03:28:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2022-07-23 03:28:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2022-07-23 03:28:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2022-07-23 03:28:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 03:28:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 03:28:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2022-07-23 03:28:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2022-07-23 03:28:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2022-07-23 03:28:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2022-07-23 03:28:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:28:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:28:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:28:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:28:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:28:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:28:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:28:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:28:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:28:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:28:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2022-07-23 03:28:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2022-07-23 03:28:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2022-07-23 03:28:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2022-07-23 03:28:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 03:28:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 03:28:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-23 03:28:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-23 03:28:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2022-07-23 03:28:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2022-07-23 03:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:28:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2022-07-23 03:28:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2022-07-23 03:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 03:28:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 03:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:28:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:28:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2022-07-23 03:28:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2022-07-23 03:28:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2022-07-23 03:28:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2022-07-23 03:28:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 03:28:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 03:28:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-23 03:28:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-23 03:28:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:28:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:28:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:28:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:28:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:28:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2022-07-23 03:28:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2022-07-23 03:28:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2022-07-23 03:28:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2022-07-23 03:28:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2022-07-23 03:28:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2022-07-23 03:28:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:28:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2022-07-23 03:28:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2022-07-23 03:28:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2022-07-23 03:28:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2022-07-23 03:28:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:28:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:28:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:28:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-23 03:28:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-23 03:28:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:28:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2022-07-23 03:28:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2022-07-23 03:28:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:28:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2022-07-23 03:28:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2022-07-23 03:28:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:28:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:28:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:28:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:28:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2022-07-23 03:28:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2022-07-23 03:28:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 03:28:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 03:28:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:28:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:28:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:28:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:28:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:28:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:28:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 03:28:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 03:28:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 03:28:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 03:28:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-23 03:28:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-23 03:28:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2022-07-23 03:28:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2022-07-23 03:28:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_83 [2022-07-23 03:28:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_83 [2022-07-23 03:28:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2022-07-23 03:28:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2022-07-23 03:28:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2022-07-23 03:28:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2022-07-23 03:28:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2022-07-23 03:28:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2022-07-23 03:28:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:28:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:28:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:28:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:28:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:28:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:28:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:28:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2022-07-23 03:28:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2022-07-23 03:28:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:28:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:28:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:28:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:28:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:28:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:28:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:28:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2022-07-23 03:28:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2022-07-23 03:28:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-23 03:28:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-23 03:28:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2022-07-23 03:28:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2022-07-23 03:28:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:28:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:28:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2022-07-23 03:28:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2022-07-23 03:28:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-07-23 03:28:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-07-23 03:28:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 03:28:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 03:28:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2022-07-23 03:28:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2022-07-23 03:28:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2022-07-23 03:28:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2022-07-23 03:28:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-23 03:28:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-23 03:28:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 03:28:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 03:28:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2022-07-23 03:28:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2022-07-23 03:28:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:28:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:28:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2022-07-23 03:28:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2022-07-23 03:28:42,199 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:28:42,203 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:28:42,439 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:29:16,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:29:17,238 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:29:17,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:29:17,261 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-23 03:29:17,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:29:17 BoogieIcfgContainer [2022-07-23 03:29:17,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:29:17,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:29:17,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:29:17,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:29:17,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:28:34" (1/3) ... [2022-07-23 03:29:17,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b184410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:29:17, skipping insertion in model container [2022-07-23 03:29:17,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:28:40" (2/3) ... [2022-07-23 03:29:17,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b184410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:29:17, skipping insertion in model container [2022-07-23 03:29:17,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:29:17" (3/3) ... [2022-07-23 03:29:17,276 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2022-07-23 03:29:17,290 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:29:17,290 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:29:17,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:29:17,383 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@144134aa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@cb50b06 [2022-07-23 03:29:17,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:29:17,395 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) [2022-07-23 03:29:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-23 03:29:17,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:17,429 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] [2022-07-23 03:29:17,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:17,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:17,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1573750035, now seen corresponding path program 1 times [2022-07-23 03:29:17,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:17,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035925195] [2022-07-23 03:29:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:17,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:17,463 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) [2022-07-23 03:29:17,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:29:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:19,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:19,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 03:29:19,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:19,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:19,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035925195] [2022-07-23 03:29:19,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035925195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:19,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:19,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:29:19,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548494223] [2022-07-23 03:29:19,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:19,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:19,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:19,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:19,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:19,776 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) [2022-07-23 03:29:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:20,733 INFO L93 Difference]: Finished difference Result 7385 states and 10576 transitions. [2022-07-23 03:29:20,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:20,736 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 [2022-07-23 03:29:20,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:20,800 INFO L225 Difference]: With dead ends: 7385 [2022-07-23 03:29:20,801 INFO L226 Difference]: Without dead ends: 4782 [2022-07-23 03:29:20,834 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 [2022-07-23 03:29:20,842 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:29:20,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 7934 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 03:29:20,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2022-07-23 03:29:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4779. [2022-07-23 03:29:21,317 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) [2022-07-23 03:29:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 4779 states and 6703 transitions. [2022-07-23 03:29:21,369 INFO L78 Accepts]: Start accepts. Automaton has 4779 states and 6703 transitions. Word has length 210 [2022-07-23 03:29:21,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:21,373 INFO L495 AbstractCegarLoop]: Abstraction has 4779 states and 6703 transitions. [2022-07-23 03:29:21,373 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) [2022-07-23 03:29:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 6703 transitions. [2022-07-23 03:29:21,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-23 03:29:21,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:21,396 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] [2022-07-23 03:29:21,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:21,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:21,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:21,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1308225810, now seen corresponding path program 1 times [2022-07-23 03:29:21,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:21,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746555878] [2022-07-23 03:29:21,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:21,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:21,625 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) [2022-07-23 03:29:21,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:29:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:23,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 03:29:23,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2022-07-23 03:29:23,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:29:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-07-23 03:29:24,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:24,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746555878] [2022-07-23 03:29:24,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746555878] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 03:29:24,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 03:29:24,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-23 03:29:24,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52558619] [2022-07-23 03:29:24,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 03:29:24,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 03:29:24,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:24,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 03:29:24,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:29:24,195 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) [2022-07-23 03:29:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:29,750 INFO L93 Difference]: Finished difference Result 11571 states and 16496 transitions. [2022-07-23 03:29:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:29:29,751 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 [2022-07-23 03:29:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:29,805 INFO L225 Difference]: With dead ends: 11571 [2022-07-23 03:29:29,805 INFO L226 Difference]: Without dead ends: 6827 [2022-07-23 03:29:29,835 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 [2022-07-23 03:29:29,836 INFO L413 NwaCegarLoop]: 4715 mSDtfsCounter, 2481 mSDsluCounter, 30414 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:29:29,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 35129 Invalid, 1581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [681 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-23 03:29:29,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6827 states. [2022-07-23 03:29:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6827 to 4782. [2022-07-23 03:29:30,071 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) [2022-07-23 03:29:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 6706 transitions. [2022-07-23 03:29:30,102 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 6706 transitions. Word has length 276 [2022-07-23 03:29:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:30,103 INFO L495 AbstractCegarLoop]: Abstraction has 4782 states and 6706 transitions. [2022-07-23 03:29:30,104 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) [2022-07-23 03:29:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 6706 transitions. [2022-07-23 03:29:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-23 03:29:30,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:30,116 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] [2022-07-23 03:29:30,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:30,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:30,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:30,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:30,337 INFO L85 PathProgramCache]: Analyzing trace with hash 890829204, now seen corresponding path program 1 times [2022-07-23 03:29:30,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:30,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27943298] [2022-07-23 03:29:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:30,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:30,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:30,341 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) [2022-07-23 03:29:30,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:29:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:32,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:32,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-07-23 03:29:32,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:32,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:32,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27943298] [2022-07-23 03:29:32,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [27943298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:32,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:32,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:29:32,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162987756] [2022-07-23 03:29:32,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:32,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:32,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:32,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:32,478 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) [2022-07-23 03:29:33,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:33,186 INFO L93 Difference]: Finished difference Result 11809 states and 16565 transitions. [2022-07-23 03:29:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:33,187 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 [2022-07-23 03:29:33,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:33,248 INFO L225 Difference]: With dead ends: 11809 [2022-07-23 03:29:33,249 INFO L226 Difference]: Without dead ends: 7062 [2022-07-23 03:29:33,281 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 [2022-07-23 03:29:33,285 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 [2022-07-23 03:29:33,286 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] [2022-07-23 03:29:33,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2022-07-23 03:29:33,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 7059. [2022-07-23 03:29:33,585 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) [2022-07-23 03:29:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 9892 transitions. [2022-07-23 03:29:33,626 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 9892 transitions. Word has length 276 [2022-07-23 03:29:33,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:33,627 INFO L495 AbstractCegarLoop]: Abstraction has 7059 states and 9892 transitions. [2022-07-23 03:29:33,628 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) [2022-07-23 03:29:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 9892 transitions. [2022-07-23 03:29:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 03:29:33,640 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:33,640 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] [2022-07-23 03:29:33,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:33,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:33,856 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:33,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash -2037188258, now seen corresponding path program 1 times [2022-07-23 03:29:33,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:33,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65778841] [2022-07-23 03:29:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:33,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:33,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:33,862 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) [2022-07-23 03:29:33,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:29:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:35,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:35,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:36,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2022-07-23 03:29:36,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:36,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:36,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65778841] [2022-07-23 03:29:36,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65778841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:36,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:36,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:29:36,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155591830] [2022-07-23 03:29:36,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:36,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:36,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:36,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:36,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:36,130 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) [2022-07-23 03:29:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:36,994 INFO L93 Difference]: Finished difference Result 16744 states and 23446 transitions. [2022-07-23 03:29:36,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:36,995 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 [2022-07-23 03:29:36,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:37,171 INFO L225 Difference]: With dead ends: 16744 [2022-07-23 03:29:37,171 INFO L226 Difference]: Without dead ends: 9720 [2022-07-23 03:29:37,210 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 [2022-07-23 03:29:37,213 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:29:37,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 9386 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 03:29:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9720 states. [2022-07-23 03:29:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9720 to 9712. [2022-07-23 03:29:37,581 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) [2022-07-23 03:29:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9712 states to 9712 states and 13555 transitions. [2022-07-23 03:29:37,644 INFO L78 Accepts]: Start accepts. Automaton has 9712 states and 13555 transitions. Word has length 288 [2022-07-23 03:29:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:37,645 INFO L495 AbstractCegarLoop]: Abstraction has 9712 states and 13555 transitions. [2022-07-23 03:29:37,646 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) [2022-07-23 03:29:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9712 states and 13555 transitions. [2022-07-23 03:29:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-23 03:29:37,661 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:37,662 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] [2022-07-23 03:29:37,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:37,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:37,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:37,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:37,884 INFO L85 PathProgramCache]: Analyzing trace with hash 370337443, now seen corresponding path program 1 times [2022-07-23 03:29:37,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:37,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141810884] [2022-07-23 03:29:37,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:37,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:37,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:37,888 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) [2022-07-23 03:29:37,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:29:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:39,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:39,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2022-07-23 03:29:40,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:40,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:40,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141810884] [2022-07-23 03:29:40,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141810884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:40,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:40,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:29:40,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512962324] [2022-07-23 03:29:40,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:40,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:40,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:40,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:40,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:40,118 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) [2022-07-23 03:29:40,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:40,727 INFO L93 Difference]: Finished difference Result 19668 states and 27404 transitions. [2022-07-23 03:29:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:40,728 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 [2022-07-23 03:29:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:40,796 INFO L225 Difference]: With dead ends: 19668 [2022-07-23 03:29:40,796 INFO L226 Difference]: Without dead ends: 9991 [2022-07-23 03:29:40,827 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 [2022-07-23 03:29:40,828 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 [2022-07-23 03:29:40,828 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] [2022-07-23 03:29:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9991 states. [2022-07-23 03:29:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9991 to 9991. [2022-07-23 03:29:41,164 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) [2022-07-23 03:29:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9991 states to 9991 states and 13895 transitions. [2022-07-23 03:29:41,222 INFO L78 Accepts]: Start accepts. Automaton has 9991 states and 13895 transitions. Word has length 308 [2022-07-23 03:29:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:41,223 INFO L495 AbstractCegarLoop]: Abstraction has 9991 states and 13895 transitions. [2022-07-23 03:29:41,223 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) [2022-07-23 03:29:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9991 states and 13895 transitions. [2022-07-23 03:29:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-23 03:29:41,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:41,244 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] [2022-07-23 03:29:41,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:41,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:41,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:41,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:41,460 INFO L85 PathProgramCache]: Analyzing trace with hash -539694735, now seen corresponding path program 1 times [2022-07-23 03:29:41,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:41,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388506228] [2022-07-23 03:29:41,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:41,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:41,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:41,464 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) [2022-07-23 03:29:41,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:29:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:43,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:43,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2022-07-23 03:29:43,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:43,672 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:43,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388506228] [2022-07-23 03:29:43,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388506228] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:43,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:43,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:29:43,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868511310] [2022-07-23 03:29:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:43,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:43,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:43,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:43,674 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) [2022-07-23 03:29:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:44,464 INFO L93 Difference]: Finished difference Result 22281 states and 31017 transitions. [2022-07-23 03:29:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:44,464 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 [2022-07-23 03:29:44,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:44,545 INFO L225 Difference]: With dead ends: 22281 [2022-07-23 03:29:44,545 INFO L226 Difference]: Without dead ends: 12542 [2022-07-23 03:29:44,598 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 [2022-07-23 03:29:44,600 INFO L413 NwaCegarLoop]: 6688 mSDtfsCounter, 3165 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-23 03:29:44,601 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] [2022-07-23 03:29:44,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2022-07-23 03:29:45,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 12538. [2022-07-23 03:29:45,033 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) [2022-07-23 03:29:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17437 transitions. [2022-07-23 03:29:45,116 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17437 transitions. Word has length 352 [2022-07-23 03:29:45,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:45,117 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17437 transitions. [2022-07-23 03:29:45,117 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) [2022-07-23 03:29:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17437 transitions. [2022-07-23 03:29:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-23 03:29:45,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:45,144 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] [2022-07-23 03:29:45,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:45,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:45,360 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:45,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash -291548241, now seen corresponding path program 1 times [2022-07-23 03:29:45,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:45,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886048619] [2022-07-23 03:29:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:45,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:45,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:45,363 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) [2022-07-23 03:29:45,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:29:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:47,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:47,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:29:50,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:50,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:50,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886048619] [2022-07-23 03:29:50,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886048619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:50,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:50,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:29:50,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305239942] [2022-07-23 03:29:50,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:50,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:50,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:50,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:50,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:50,136 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) [2022-07-23 03:29:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:50,459 INFO L93 Difference]: Finished difference Result 24824 states and 34649 transitions. [2022-07-23 03:29:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:50,460 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 [2022-07-23 03:29:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:50,549 INFO L225 Difference]: With dead ends: 24824 [2022-07-23 03:29:50,549 INFO L226 Difference]: Without dead ends: 12538 [2022-07-23 03:29:50,612 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 [2022-07-23 03:29:50,613 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 [2022-07-23 03:29:50,614 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] [2022-07-23 03:29:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-23 03:29:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-23 03:29:51,195 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) [2022-07-23 03:29:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17432 transitions. [2022-07-23 03:29:51,270 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17432 transitions. Word has length 352 [2022-07-23 03:29:51,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:51,272 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17432 transitions. [2022-07-23 03:29:51,272 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) [2022-07-23 03:29:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17432 transitions. [2022-07-23 03:29:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-23 03:29:51,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:51,291 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] [2022-07-23 03:29:51,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:51,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:51,512 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:51,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:51,512 INFO L85 PathProgramCache]: Analyzing trace with hash 423858537, now seen corresponding path program 1 times [2022-07-23 03:29:51,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:51,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530385868] [2022-07-23 03:29:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:51,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:51,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:51,517 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) [2022-07-23 03:29:51,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 03:29:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:53,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:53,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:29:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:29:56,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:29:56,442 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:29:56,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530385868] [2022-07-23 03:29:56,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530385868] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:29:56,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:29:56,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:29:56,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844913237] [2022-07-23 03:29:56,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:29:56,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:29:56,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:29:56,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:29:56,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:29:56,445 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) [2022-07-23 03:29:56,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:29:56,867 INFO L93 Difference]: Finished difference Result 24824 states and 34639 transitions. [2022-07-23 03:29:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:29:56,867 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 [2022-07-23 03:29:56,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:29:56,967 INFO L225 Difference]: With dead ends: 24824 [2022-07-23 03:29:56,968 INFO L226 Difference]: Without dead ends: 12538 [2022-07-23 03:29:57,044 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 [2022-07-23 03:29:57,045 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 [2022-07-23 03:29:57,045 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] [2022-07-23 03:29:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-23 03:29:57,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-23 03:29:57,676 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) [2022-07-23 03:29:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17427 transitions. [2022-07-23 03:29:57,758 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17427 transitions. Word has length 353 [2022-07-23 03:29:57,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:29:57,759 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17427 transitions. [2022-07-23 03:29:57,759 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) [2022-07-23 03:29:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17427 transitions. [2022-07-23 03:29:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-23 03:29:57,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:29:57,779 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] [2022-07-23 03:29:57,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 03:29:57,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:29:57,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:29:57,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:29:57,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1241148779, now seen corresponding path program 1 times [2022-07-23 03:29:57,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:29:57,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175193413] [2022-07-23 03:29:57,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:29:57,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:29:57,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:29:58,001 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) [2022-07-23 03:29:58,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 03:29:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:29:59,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:29:59,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:02,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:02,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:02,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175193413] [2022-07-23 03:30:02,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175193413] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:02,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:02,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:02,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050218762] [2022-07-23 03:30:02,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:02,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:02,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:02,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:02,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:02,926 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) [2022-07-23 03:30:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:03,350 INFO L93 Difference]: Finished difference Result 24824 states and 34629 transitions. [2022-07-23 03:30:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:03,352 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 [2022-07-23 03:30:03,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:03,414 INFO L225 Difference]: With dead ends: 24824 [2022-07-23 03:30:03,414 INFO L226 Difference]: Without dead ends: 12538 [2022-07-23 03:30:03,463 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 [2022-07-23 03:30:03,464 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 [2022-07-23 03:30:03,464 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] [2022-07-23 03:30:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-07-23 03:30:03,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-07-23 03:30:03,922 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) [2022-07-23 03:30:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17422 transitions. [2022-07-23 03:30:04,119 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17422 transitions. Word has length 354 [2022-07-23 03:30:04,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:04,120 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17422 transitions. [2022-07-23 03:30:04,121 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) [2022-07-23 03:30:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17422 transitions. [2022-07-23 03:30:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-07-23 03:30:04,142 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:04,142 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] [2022-07-23 03:30:04,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:04,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:04,361 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash 921859109, now seen corresponding path program 1 times [2022-07-23 03:30:04,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:04,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887388021] [2022-07-23 03:30:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:04,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:04,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:04,366 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) [2022-07-23 03:30:04,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 03:30:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:06,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:06,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:09,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:09,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:09,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887388021] [2022-07-23 03:30:09,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887388021] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:09,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:09,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:09,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43795113] [2022-07-23 03:30:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:09,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:09,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:09,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:09,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:09,138 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) [2022-07-23 03:30:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:09,542 INFO L93 Difference]: Finished difference Result 25379 states and 35239 transitions. [2022-07-23 03:30:09,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:09,542 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 [2022-07-23 03:30:09,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:09,587 INFO L225 Difference]: With dead ends: 25379 [2022-07-23 03:30:09,588 INFO L226 Difference]: Without dead ends: 13093 [2022-07-23 03:30:09,622 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 [2022-07-23 03:30:09,623 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 [2022-07-23 03:30:09,623 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] [2022-07-23 03:30:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13093 states. [2022-07-23 03:30:10,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13093 to 13093. [2022-07-23 03:30:10,241 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) [2022-07-23 03:30:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 18037 transitions. [2022-07-23 03:30:10,332 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 18037 transitions. Word has length 355 [2022-07-23 03:30:10,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:10,333 INFO L495 AbstractCegarLoop]: Abstraction has 13093 states and 18037 transitions. [2022-07-23 03:30:10,334 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) [2022-07-23 03:30:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 18037 transitions. [2022-07-23 03:30:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-23 03:30:10,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:10,355 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] [2022-07-23 03:30:10,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:10,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:10,572 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:10,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:10,573 INFO L85 PathProgramCache]: Analyzing trace with hash -271669465, now seen corresponding path program 1 times [2022-07-23 03:30:10,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:10,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679834104] [2022-07-23 03:30:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:10,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:10,579 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) [2022-07-23 03:30:10,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 03:30:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:12,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:12,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:16,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:16,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:16,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679834104] [2022-07-23 03:30:16,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679834104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:16,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:16,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:16,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457527317] [2022-07-23 03:30:16,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:16,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:16,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:16,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:16,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:16,017 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) [2022-07-23 03:30:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:16,329 INFO L93 Difference]: Finished difference Result 26109 states and 35984 transitions. [2022-07-23 03:30:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:16,330 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 [2022-07-23 03:30:16,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:16,491 INFO L225 Difference]: With dead ends: 26109 [2022-07-23 03:30:16,491 INFO L226 Difference]: Without dead ends: 13268 [2022-07-23 03:30:16,517 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 [2022-07-23 03:30:16,518 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 [2022-07-23 03:30:16,518 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] [2022-07-23 03:30:16,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-23 03:30:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-23 03:30:17,021 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) [2022-07-23 03:30:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18167 transitions. [2022-07-23 03:30:17,082 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18167 transitions. Word has length 356 [2022-07-23 03:30:17,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:17,083 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18167 transitions. [2022-07-23 03:30:17,083 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) [2022-07-23 03:30:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18167 transitions. [2022-07-23 03:30:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-23 03:30:17,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:17,101 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] [2022-07-23 03:30:17,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:17,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:17,308 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:17,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:17,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1498167009, now seen corresponding path program 1 times [2022-07-23 03:30:17,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:17,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726158371] [2022-07-23 03:30:17,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:17,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:17,311 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) [2022-07-23 03:30:17,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 03:30:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:19,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:19,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:22,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:22,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:22,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726158371] [2022-07-23 03:30:22,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726158371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:22,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:22,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:22,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372015072] [2022-07-23 03:30:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:22,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:22,456 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) [2022-07-23 03:30:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:22,756 INFO L93 Difference]: Finished difference Result 26284 states and 36109 transitions. [2022-07-23 03:30:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:22,757 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 [2022-07-23 03:30:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:22,806 INFO L225 Difference]: With dead ends: 26284 [2022-07-23 03:30:22,806 INFO L226 Difference]: Without dead ends: 13268 [2022-07-23 03:30:22,841 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 [2022-07-23 03:30:22,842 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 [2022-07-23 03:30:22,842 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] [2022-07-23 03:30:22,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-23 03:30:23,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-23 03:30:23,390 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) [2022-07-23 03:30:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18162 transitions. [2022-07-23 03:30:23,447 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18162 transitions. Word has length 357 [2022-07-23 03:30:23,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:23,448 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18162 transitions. [2022-07-23 03:30:23,449 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) [2022-07-23 03:30:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18162 transitions. [2022-07-23 03:30:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-23 03:30:23,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:23,463 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] [2022-07-23 03:30:23,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-23 03:30:23,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:23,664 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash 643039459, now seen corresponding path program 1 times [2022-07-23 03:30:23,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:23,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100367589] [2022-07-23 03:30:23,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:23,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:23,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:23,667 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) [2022-07-23 03:30:23,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 03:30:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:25,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:25,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:28,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:28,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:28,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100367589] [2022-07-23 03:30:28,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100367589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:28,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:28,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:28,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176501517] [2022-07-23 03:30:28,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:28,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:28,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:28,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:28,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:28,591 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) [2022-07-23 03:30:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:29,088 INFO L93 Difference]: Finished difference Result 26284 states and 36099 transitions. [2022-07-23 03:30:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:29,088 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 [2022-07-23 03:30:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:29,159 INFO L225 Difference]: With dead ends: 26284 [2022-07-23 03:30:29,159 INFO L226 Difference]: Without dead ends: 13268 [2022-07-23 03:30:29,206 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 [2022-07-23 03:30:29,206 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 [2022-07-23 03:30:29,207 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] [2022-07-23 03:30:29,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-23 03:30:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-23 03:30:29,781 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) [2022-07-23 03:30:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18157 transitions. [2022-07-23 03:30:29,838 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18157 transitions. Word has length 358 [2022-07-23 03:30:29,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:29,839 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18157 transitions. [2022-07-23 03:30:29,839 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) [2022-07-23 03:30:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18157 transitions. [2022-07-23 03:30:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-23 03:30:29,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:29,855 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] [2022-07-23 03:30:29,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-23 03:30:30,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:30,072 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:30,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash 18405789, now seen corresponding path program 1 times [2022-07-23 03:30:30,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:30,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955612586] [2022-07-23 03:30:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:30,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:30,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:30,075 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) [2022-07-23 03:30:30,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-23 03:30:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:32,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:32,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:34,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:34,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:34,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955612586] [2022-07-23 03:30:34,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955612586] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:34,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:34,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:34,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789811779] [2022-07-23 03:30:34,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:34,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:34,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:34,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:34,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:34,935 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) [2022-07-23 03:30:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:35,413 INFO L93 Difference]: Finished difference Result 26284 states and 36089 transitions. [2022-07-23 03:30:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:35,414 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 [2022-07-23 03:30:35,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:35,454 INFO L225 Difference]: With dead ends: 26284 [2022-07-23 03:30:35,455 INFO L226 Difference]: Without dead ends: 13268 [2022-07-23 03:30:35,483 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 [2022-07-23 03:30:35,484 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 [2022-07-23 03:30:35,484 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] [2022-07-23 03:30:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-23 03:30:35,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-23 03:30:35,901 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) [2022-07-23 03:30:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18152 transitions. [2022-07-23 03:30:35,952 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18152 transitions. Word has length 359 [2022-07-23 03:30:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:35,953 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18152 transitions. [2022-07-23 03:30:35,953 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) [2022-07-23 03:30:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18152 transitions. [2022-07-23 03:30:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-23 03:30:35,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:35,965 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] [2022-07-23 03:30:36,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:36,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:36,166 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2050852193, now seen corresponding path program 1 times [2022-07-23 03:30:36,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:36,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097535402] [2022-07-23 03:30:36,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:36,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:36,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:36,170 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) [2022-07-23 03:30:36,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-23 03:30:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:38,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:38,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:40,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:40,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:40,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097535402] [2022-07-23 03:30:40,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097535402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:40,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:40,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:40,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250775410] [2022-07-23 03:30:41,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:41,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:41,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:41,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:41,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:41,001 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) [2022-07-23 03:30:41,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:41,363 INFO L93 Difference]: Finished difference Result 26284 states and 36079 transitions. [2022-07-23 03:30:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:41,364 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 [2022-07-23 03:30:41,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:41,416 INFO L225 Difference]: With dead ends: 26284 [2022-07-23 03:30:41,416 INFO L226 Difference]: Without dead ends: 13268 [2022-07-23 03:30:41,457 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 [2022-07-23 03:30:41,458 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 [2022-07-23 03:30:41,458 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] [2022-07-23 03:30:41,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-23 03:30:42,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-23 03:30:42,046 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) [2022-07-23 03:30:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18147 transitions. [2022-07-23 03:30:42,103 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18147 transitions. Word has length 360 [2022-07-23 03:30:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:42,103 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18147 transitions. [2022-07-23 03:30:42,104 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) [2022-07-23 03:30:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18147 transitions. [2022-07-23 03:30:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-23 03:30:42,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:42,122 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] [2022-07-23 03:30:42,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:42,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:42,336 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:42,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1658823591, now seen corresponding path program 1 times [2022-07-23 03:30:42,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:42,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062257959] [2022-07-23 03:30:42,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:42,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:42,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:42,340 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) [2022-07-23 03:30:42,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-23 03:30:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:44,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:44,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:47,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:47,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:47,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:47,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062257959] [2022-07-23 03:30:47,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062257959] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:47,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:47,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:47,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014297106] [2022-07-23 03:30:47,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:47,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:47,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:47,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:47,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:47,066 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) [2022-07-23 03:30:47,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:47,564 INFO L93 Difference]: Finished difference Result 26284 states and 36069 transitions. [2022-07-23 03:30:47,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:47,564 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 [2022-07-23 03:30:47,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:47,628 INFO L225 Difference]: With dead ends: 26284 [2022-07-23 03:30:47,628 INFO L226 Difference]: Without dead ends: 13268 [2022-07-23 03:30:47,674 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 [2022-07-23 03:30:47,675 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 [2022-07-23 03:30:47,675 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] [2022-07-23 03:30:47,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-23 03:30:48,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13268. [2022-07-23 03:30:48,234 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) [2022-07-23 03:30:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13268 states to 13268 states and 18142 transitions. [2022-07-23 03:30:48,304 INFO L78 Accepts]: Start accepts. Automaton has 13268 states and 18142 transitions. Word has length 361 [2022-07-23 03:30:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:48,305 INFO L495 AbstractCegarLoop]: Abstraction has 13268 states and 18142 transitions. [2022-07-23 03:30:48,305 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) [2022-07-23 03:30:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 13268 states and 18142 transitions. [2022-07-23 03:30:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-23 03:30:48,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:48,318 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] [2022-07-23 03:30:48,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:48,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:48,526 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:48,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2018645083, now seen corresponding path program 1 times [2022-07-23 03:30:48,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:48,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580921360] [2022-07-23 03:30:48,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:48,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:48,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:48,530 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) [2022-07-23 03:30:48,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-23 03:30:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:50,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:53,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:53,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:53,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580921360] [2022-07-23 03:30:53,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580921360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:53,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:53,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:53,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339746417] [2022-07-23 03:30:53,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:53,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:53,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:53,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:53,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:53,204 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) [2022-07-23 03:30:53,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:53,710 INFO L93 Difference]: Finished difference Result 26354 states and 36109 transitions. [2022-07-23 03:30:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:53,710 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 [2022-07-23 03:30:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:53,767 INFO L225 Difference]: With dead ends: 26354 [2022-07-23 03:30:53,767 INFO L226 Difference]: Without dead ends: 13338 [2022-07-23 03:30:53,816 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 [2022-07-23 03:30:53,816 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 [2022-07-23 03:30:53,817 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] [2022-07-23 03:30:53,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-23 03:30:54,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-23 03:30:54,271 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) [2022-07-23 03:30:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18187 transitions. [2022-07-23 03:30:54,325 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18187 transitions. Word has length 362 [2022-07-23 03:30:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:54,326 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18187 transitions. [2022-07-23 03:30:54,326 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) [2022-07-23 03:30:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18187 transitions. [2022-07-23 03:30:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-23 03:30:54,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:54,340 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] [2022-07-23 03:30:54,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:54,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:54,556 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:54,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:54,556 INFO L85 PathProgramCache]: Analyzing trace with hash 170573589, now seen corresponding path program 1 times [2022-07-23 03:30:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:54,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415670597] [2022-07-23 03:30:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:54,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:54,561 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) [2022-07-23 03:30:54,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-23 03:30:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:56,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:56,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:30:59,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:59,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:59,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415670597] [2022-07-23 03:30:59,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415670597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:59,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:59,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:30:59,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90853288] [2022-07-23 03:30:59,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:59,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:59,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:59,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:59,075 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) [2022-07-23 03:30:59,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:59,507 INFO L93 Difference]: Finished difference Result 26424 states and 36149 transitions. [2022-07-23 03:30:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:59,507 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 [2022-07-23 03:30:59,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:59,571 INFO L225 Difference]: With dead ends: 26424 [2022-07-23 03:30:59,571 INFO L226 Difference]: Without dead ends: 13338 [2022-07-23 03:30:59,616 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 [2022-07-23 03:30:59,616 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 [2022-07-23 03:30:59,616 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] [2022-07-23 03:30:59,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-23 03:31:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-23 03:31:00,202 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) [2022-07-23 03:31:00,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18182 transitions. [2022-07-23 03:31:00,254 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18182 transitions. Word has length 363 [2022-07-23 03:31:00,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:00,255 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18182 transitions. [2022-07-23 03:31:00,255 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) [2022-07-23 03:31:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18182 transitions. [2022-07-23 03:31:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-23 03:31:00,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:00,269 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] [2022-07-23 03:31:00,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-07-23 03:31:00,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:00,470 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:00,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1170551273, now seen corresponding path program 1 times [2022-07-23 03:31:00,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:31:00,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404232957] [2022-07-23 03:31:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:31:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:31:00,473 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) [2022-07-23 03:31:00,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-23 03:31:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:02,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:31:02,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:31:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:31:04,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:31:04,912 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:31:04,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404232957] [2022-07-23 03:31:04,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404232957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:04,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:04,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:31:04,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226790442] [2022-07-23 03:31:04,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:04,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:31:04,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:31:04,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:31:04,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:31:04,913 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) [2022-07-23 03:31:05,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:05,353 INFO L93 Difference]: Finished difference Result 26424 states and 36139 transitions. [2022-07-23 03:31:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:31:05,354 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 [2022-07-23 03:31:05,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:05,418 INFO L225 Difference]: With dead ends: 26424 [2022-07-23 03:31:05,418 INFO L226 Difference]: Without dead ends: 13338 [2022-07-23 03:31:05,583 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 [2022-07-23 03:31:05,583 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 [2022-07-23 03:31:05,583 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] [2022-07-23 03:31:05,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-23 03:31:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-23 03:31:06,008 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) [2022-07-23 03:31:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18177 transitions. [2022-07-23 03:31:06,054 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18177 transitions. Word has length 364 [2022-07-23 03:31:06,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:06,055 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18177 transitions. [2022-07-23 03:31:06,055 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) [2022-07-23 03:31:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18177 transitions. [2022-07-23 03:31:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-23 03:31:06,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:06,070 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] [2022-07-23 03:31:06,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-07-23 03:31:06,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:06,284 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:06,284 INFO L85 PathProgramCache]: Analyzing trace with hash 318767569, now seen corresponding path program 1 times [2022-07-23 03:31:06,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:31:06,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448766943] [2022-07-23 03:31:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:06,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:31:06,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:31:06,287 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) [2022-07-23 03:31:06,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-23 03:31:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:08,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:31:08,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:31:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:31:10,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:31:10,826 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:31:10,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448766943] [2022-07-23 03:31:10,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448766943] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:10,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:10,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 03:31:10,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827608196] [2022-07-23 03:31:10,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:10,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:31:10,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:31:10,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:31:10,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:31:10,827 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) [2022-07-23 03:31:11,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:11,418 INFO L93 Difference]: Finished difference Result 26424 states and 36129 transitions. [2022-07-23 03:31:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:31:11,419 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 [2022-07-23 03:31:11,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:11,461 INFO L225 Difference]: With dead ends: 26424 [2022-07-23 03:31:11,462 INFO L226 Difference]: Without dead ends: 13338 [2022-07-23 03:31:11,493 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 [2022-07-23 03:31:11,494 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 [2022-07-23 03:31:11,494 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] [2022-07-23 03:31:11,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13338 states. [2022-07-23 03:31:11,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13338 to 13338. [2022-07-23 03:31:11,974 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) [2022-07-23 03:31:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 18172 transitions. [2022-07-23 03:31:12,030 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 18172 transitions. Word has length 365 [2022-07-23 03:31:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:12,031 INFO L495 AbstractCegarLoop]: Abstraction has 13338 states and 18172 transitions. [2022-07-23 03:31:12,031 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) [2022-07-23 03:31:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 18172 transitions. [2022-07-23 03:31:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-23 03:31:12,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:12,044 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] [2022-07-23 03:31:12,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-23 03:31:12,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:12,245 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:12,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:12,245 INFO L85 PathProgramCache]: Analyzing trace with hash 347396720, now seen corresponding path program 1 times [2022-07-23 03:31:12,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:31:12,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110845788] [2022-07-23 03:31:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:12,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:31:12,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:31:12,248 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) [2022-07-23 03:31:12,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-23 03:31:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:14,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 03:31:14,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:31:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-07-23 03:31:14,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:31:14,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:31:14,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110845788] [2022-07-23 03:31:14,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110845788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:14,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:14,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:31:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401905390] [2022-07-23 03:31:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:14,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:31:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:31:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:31:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:31:14,169 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) [2022-07-23 03:31:14,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:14,822 INFO L93 Difference]: Finished difference Result 13348 states and 18192 transitions. [2022-07-23 03:31:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:31:14,823 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 [2022-07-23 03:31:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:14,825 INFO L225 Difference]: With dead ends: 13348 [2022-07-23 03:31:14,825 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 03:31:14,857 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 [2022-07-23 03:31:14,859 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 [2022-07-23 03:31:14,859 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] [2022-07-23 03:31:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 03:31:14,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 03:31:14,862 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) [2022-07-23 03:31:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 03:31:14,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2022-07-23 03:31:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:14,865 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 03:31:14,865 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) [2022-07-23 03:31:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 03:31:14,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 03:31:14,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 03:31:14,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-23 03:31:15,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:15,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.